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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="104" accession="SRS17704415">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704415</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126610</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>28</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="53" accession="SRS17704416">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704416</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126603</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="3" accession="SRS17704417">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704417</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126615</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>41</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="54" accession="SRS17704418">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704418</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126604</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
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          <LABEL>PRJNA973275</LABEL>
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      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>37</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="12" accession="SRS17704419">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704419</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126616</EXTERNAL_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>47</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="108" accession="SRS17704420">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704420</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126612</EXTERNAL_ID>
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    <SAMPLE_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>26</VALUE>
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        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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        <TAG>isolation_source</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="8" accession="SRS17704421">
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      <PRIMARY_ID>SRS17704421</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126589</EXTERNAL_ID>
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      <SAMPLE_LINK>
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        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
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        <TAG>isolation_source</TAG>
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        <TAG>BioSampleModel</TAG>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS17704422</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126605</EXTERNAL_ID>
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    <SAMPLE_ATTRIBUTES>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <PRIMARY_ID>SRS17704423</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126606</EXTERNAL_ID>
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      <SAMPLE_ATTRIBUTE>
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      <PRIMARY_ID>SRS17704424</PRIMARY_ID>
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      <SAMPLE_ATTRIBUTE>
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      <PRIMARY_ID>SRS17704425</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126614</EXTERNAL_ID>
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      <PRIMARY_ID>SRS17704426</PRIMARY_ID>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="11" accession="SRS17704427">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704427</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126590</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="29" accession="SRS17704428">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704428</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126621</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>37</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="13" accession="SRS17704429">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704429</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126617</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>33</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="41" accession="SRS17704430">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704430</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126625</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>55</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="22" accession="SRS17704431">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704431</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126619</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>31</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="23" accession="SRS17704432">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704432</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126620</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>31</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="34" accession="SRS17704433">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704433</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126624</EXTERNAL_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
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        <TAG>age</TAG>
        <VALUE>33</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="30" accession="SRS17704434">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704434</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126622</EXTERNAL_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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          <ID>973275</ID>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>28</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="63" accession="SRS17704435">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704435</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126630</EXTERNAL_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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          <ID>973275</ID>
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    <SAMPLE_ATTRIBUTES>
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        <TAG>age</TAG>
        <VALUE>29</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="33" accession="SRS17704436">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704436</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126623</EXTERNAL_ID>
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    <SAMPLE_NAME>
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      <SAMPLE_LINK>
        <XREF_LINK>
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    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>25</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="45" accession="SRS17704437">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704437</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126626</EXTERNAL_ID>
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    <SAMPLE_NAME>
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      <SAMPLE_LINK>
        <XREF_LINK>
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    <SAMPLE_ATTRIBUTES>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="75" accession="SRS17704438">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704438</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126632</EXTERNAL_ID>
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    <SAMPLE_NAME>
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      <SAMPLE_LINK>
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    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>49</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="15" accession="SRS17704439">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704439</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126591</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>62</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="50" accession="SRS17704440">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704440</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126627</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>29</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="82" accession="SRS17704441">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704441</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126634</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
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      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>31</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="68" accession="SRS17704442">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704442</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126631</EXTERNAL_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>36</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="60" accession="SRS17704443">
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      <PRIMARY_ID>SRS17704443</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126629</EXTERNAL_ID>
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    <SAMPLE_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>51</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
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        <VALUE>missing</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS17704444</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126628</EXTERNAL_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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    </SAMPLE_ATTRIBUTES>
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      <PRIMARY_ID>SRS17704445</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126633</EXTERNAL_ID>
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      <PRIMARY_ID>SRS17704446</PRIMARY_ID>
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      <PRIMARY_ID>SRS17704447</PRIMARY_ID>
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      <PRIMARY_ID>SRS17704448</PRIMARY_ID>
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      <PRIMARY_ID>SRS17704449</PRIMARY_ID>
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        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="146" accession="SRS17704451">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704451</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126645</EXTERNAL_ID>
    </IDENTIFIERS>
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      <TAXON_ID>408170</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>54</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704452</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126637</EXTERNAL_ID>
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        <XREF_LINK>
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        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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        <TAG>isolation_source</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS17704453</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126639</EXTERNAL_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS17704454</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126648</EXTERNAL_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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        <TAG>biomaterial_provider</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
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        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
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        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS17704455</PRIMARY_ID>
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      <SAMPLE_ATTRIBUTE>
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      <PRIMARY_ID>SRS17704456</PRIMARY_ID>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="153" accession="SRS17704463">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704463</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126647</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>48</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="32" accession="SRS17704464">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704464</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126595</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>45</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="37" accession="SRS17704465">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17704465</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN35126596</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>973275</ID>
          <LABEL>PRJNA973275</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>41</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>China: ChangSha Hunan</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Gastric</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
