organism: Mus musculus
attributes.tag: source_name
attributes.value: embryonic fibroblast chromatin
attributes.tag: strain
attributes.value: C57BL/6
attributes.tag: passage
attributes.value: 4
attributes.tag: developmental stage
attributes.value: E13.5
attributes.tag: cell type
attributes.value: mouse embryonic fibroblast (MEF)
attributes.tag: growth condition
attributes.value: asynchronously proliferating
attributes.tag: chip antibody
attributes.value: H3K27me3 (EMD Millipore, 07-449)