<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="14" accession="SRS4186635">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186635</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643267</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="1" accession="SRS4186638">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186638</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643254</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="16" accession="SRS4186641">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186641</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643269</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>16</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="3" accession="SRS4186644">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186644</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643256</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="4" accession="SRS4186647">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186647</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643257</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>4</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="13" accession="SRS4186650">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186650</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643266</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>13</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="20" accession="SRS4186633">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186633</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643273</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>20</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="9" accession="SRS4186634">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186634</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643262</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>9</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="11" accession="SRS4186636">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186636</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643264</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>11</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="12" accession="SRS4186637">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186637</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643265</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>12</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="2" accession="SRS4186639">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186639</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643255</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="15" accession="SRS4186640">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186640</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643268</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>15</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="17" accession="SRS4186642">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186642</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643270</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>17</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="18" accession="SRS4186643">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186643</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643271</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>18</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="10" accession="SRS4186645">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186645</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643263</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>10</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="5" accession="SRS4186646">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186646</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643258</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>5</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="6" accession="SRS4186648">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186648</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643259</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="8" accession="SRS4186649">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186649</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643261</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>8</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="7" accession="SRS4186651">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186651</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643260</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>ileal digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>7</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="19" accession="SRS4186632">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS4186632</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN10643272</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>gut digesta sample</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>colonic digesta</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>511743</ID>
          <LABEL>PRJNA511743</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>pig</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>digesta sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2016-06-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ref_biomaterial</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_mat_process</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_material_id</TAG>
        <VALUE>19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
