organism: Homo sapiens
attributes.tag: source_name
attributes.value: Breast
attributes.tag: tissue
attributes.value: Breast
attributes.tag: cell line
attributes.value: MDA-MB-231
attributes.tag: cell type
attributes.value: Immortalized Breast Cancer
attributes.tag: chip antibody
attributes.value: H3K27me3 (Active motif, 39155)
attributes.tag: treatment
attributes.value: Control shRNA
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: collection_date
attributes.value: missing