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    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>132691</ID>
          <LABEL>PRJNA132691</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>white prepupae</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>development stage</TAG>
        <VALUE>white prepupae</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>fraction</TAG>
        <VALUE>input</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE center_name="GEO" alias="GSM602328" accession="SRS115265">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS115265</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN00113732</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO" label="Sample name">GSM602328</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Dmel_WPP_CTCF_Input_2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7227</TAXON_ID>
      <SCIENTIFIC_NAME>Drosophila melanogaster</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>132691</ID>
          <LABEL>PRJNA132691</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>white prepupae</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>development stage</TAG>
        <VALUE>white prepupae</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>fraction</TAG>
        <VALUE>input</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE center_name="GEO" alias="GSM602327" accession="SRS115264">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS115264</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN00113731</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO" label="Sample name">GSM602327</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Dmel_WPP_CTCF_Input_1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7227</TAXON_ID>
      <SCIENTIFIC_NAME>Drosophila melanogaster</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>132691</ID>
          <LABEL>PRJNA132691</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>white prepupae</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>development stage</TAG>
        <VALUE>white prepupae</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>fraction</TAG>
        <VALUE>input</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE center_name="GEO" alias="GSM602326" accession="SRS115263">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS115263</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN00113730</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM602326</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Dmel_WPP_CTCF_ChIPSeq_1, 2 and 3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7227</TAXON_ID>
      <SCIENTIFIC_NAME>Drosophila melanogaster</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>132691</ID>
          <LABEL>PRJNA132691</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>white prepupae</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>white prepupae</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>antibody name</TAG>
        <VALUE>CTCF-C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>antibody manufacturer</TAG>
        <VALUE>Renkawitz Lab</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>antibody catalog</TAG>
        <VALUE>Custom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>fraction</TAG>
        <VALUE>ChIP</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
