<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="GSM2793839" accession="SRS2542006">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542006</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702382</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793839</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>mock_3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_mock</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>pcDNA3.1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793840" accession="SRS2542007">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542007</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702381</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793840</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>MYBup_1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_Myb oncogene overexpression</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>pcDNA3-mMyb</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>low</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793842" accession="SRS2542009">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542009</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702379</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793842</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>MYBup_3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_Myb oncogene overexpression</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>pcDNA3-mMyb</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>low</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793844" accession="SRS2542010">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542010</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702377</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793844</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>wt_2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_wild type control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793846" accession="SRS2542012">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542012</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702375</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793846</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lung3_1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_selected in vivo for high efficiency in lung seeding (lung3)</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>3x lung</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>high</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793845" accession="SRS2542013">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542013</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702376</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793845</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>wt_3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_wild type control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793848" accession="SRS2542015">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542015</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702373</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793848</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lung3_3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_selected in vivo for high efficiency in lung seeding (lung3)</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>3x lung</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>high</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793837" accession="SRS2542004">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542004</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702372</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793837</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>mock_1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_mock</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>pcDNA3.1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793838" accession="SRS2542005">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542005</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702383</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793838</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>mock_2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_mock</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>pcDNA3.1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793841" accession="SRS2542008">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542008</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702380</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793841</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>MYBup_2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_Myb oncogene overexpression</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>pcDNA3-mMyb</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>low</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793843" accession="SRS2542011">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542011</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702378</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793843</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>wt_1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_wild type control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>no</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2793847" accession="SRS2542014">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2542014</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07702374</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2793847</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lung3_2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>412197</ID>
          <LABEL>PRJNA412197</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>4T1_selected in vivo for high efficiency in lung seeding (lung3)</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>4T1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>mammary tumor cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>transfected with</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>in vivo passaging</TAG>
        <VALUE>3x lung</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lung metastatic activity</TAG>
        <VALUE>high</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
