<tree-map>
  <no-comparator/>
  <entry>
    <string>bioSource</string>
    <tree-set>
      <no-comparator/>
      <string>NAME</string>
      <string>TAXON-XREF</string>
    </tree-set>
  </entry>
  <entry>
    <string>dna</string>
    <tree-set>
      <no-comparator/>
      <string>NAME</string>
      <string>ORGANISM</string>
      <string>SHORT-NAME</string>
      <string>XREF</string>
    </tree-set>
  </entry>
  <entry>
    <string>evidence</string>
    <tree-set>
      <no-comparator/>
      <string>EVIDENCE-CODE</string>
    </tree-set>
  </entry>
  <entry>
    <string>openControlledVocabulary</string>
    <tree-set>
      <no-comparator/>
      <string>TERM</string>
      <string>XREF</string>
    </tree-set>
  </entry>
  <entry>
    <string>physicalInteraction</string>
    <tree-set>
      <no-comparator/>
      <string>EVIDENCE</string>
      <string>NAME</string>
      <string>PARTICIPANTS</string>
      <string>XREF</string>
    </tree-set>
  </entry>
  <entry>
    <string>protein</string>
    <tree-set>
      <no-comparator/>
      <string>NAME</string>
      <string>ORGANISM</string>
      <string>SHORT-NAME</string>
      <string>XREF</string>
    </tree-set>
  </entry>
  <entry>
    <string>publicationXref</string>
    <tree-set>
      <no-comparator/>
      <string>DB</string>
      <string>ID</string>
    </tree-set>
  </entry>
  <entry>
    <string>rna</string>
    <tree-set>
      <no-comparator/>
      <string>NAME</string>
      <string>ORGANISM</string>
      <string>SHORT-NAME</string>
      <string>XREF</string>
    </tree-set>
  </entry>
  <entry>
    <string>unificationXref</string>
    <tree-set>
      <no-comparator/>
      <string>DB</string>
      <string>ID</string>
    </tree-set>
  </entry>
</tree-map>