organism: Homo sapiens
attributes.tag: source_name
attributes.value: Breast cancer cells
attributes.tag: cell line
attributes.value: MCF7
attributes.tag: cell type
attributes.value: Human-derived breast cancer cells
attributes.tag: tissue source
attributes.value: mammary gland
attributes.tag: growth media
attributes.value: glucose free medium
attributes.tag: chip antibody
attributes.value: CTCF antibody (Cell Signaling Technology, Cat: #3418S)