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      <PRIMARY_ID>ERS2770398</PRIMARY_ID>
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    </IDENTIFIERS>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>34</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>118</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>human gut environmental package</TAG>
        <VALUE>human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>PrEP-microbiome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>WT9_post</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>human gut metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>MiSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA4951805" accession="ERS2770393">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS2770393</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA4951805</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PrEP-microbiome</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>WWS_post</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2018-10-04T17:02:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2018-10-03T20:14:51Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA4951805</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>UNIVERSITY OF SOUTHERN CALIFORNIA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2018-10-04T17:02:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2018-10-03T20:14:51Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>WWS_post</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2017</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>rectal swab</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>USA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>34</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>118</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>human gut environmental package</TAG>
        <VALUE>human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>PrEP-microbiome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>WWS_post</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>human gut metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>MiSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA4951807" accession="ERS2770395">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS2770395</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA4951807</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PrEP-microbiome</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>XNT_post</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2018-10-04T17:02:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2018-10-03T20:14:51Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA4951807</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>UNIVERSITY OF SOUTHERN CALIFORNIA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2018-10-04T17:02:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2018-10-03T20:14:51Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>XNT_post</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2017</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>rectal swab</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>USA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>34</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>118</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>human gut environmental package</TAG>
        <VALUE>human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>PrEP-microbiome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>XNT_post</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>human gut metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>MiSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA4951809" accession="ERS2770397">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS2770397</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA4951809</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PrEP-microbiome</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>XRQ_post</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2018-10-04T17:02:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2018-10-03T20:14:51Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA4951809</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>UNIVERSITY OF SOUTHERN CALIFORNIA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2018-10-04T17:02:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2018-10-03T20:14:51Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>XRQ_post</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2017</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>rectal swab</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>USA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>34</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>118</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>human gut environmental package</TAG>
        <VALUE>human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>PrEP-microbiome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>XRQ_post</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>human gut metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>MiSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
