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: confluence arrested
attributes.tag: chip antibody
attributes.value: pRb; M153 (Santa Cruz, sc-7905), C15 (Santa Cruz, sc-50), S855 (in-house, affinity-purified rabbit Ab), M136 (in-house, affinity-purified sheep Ab), Hyb4.1 (Developmental Studies Hybridoma Bank)