organism: Mus musculus
attributes.tag: source_name
attributes.value: B-lymphoid clonal cell line Abl1 / S1Cs-A5
attributes.tag: strain
attributes.value: 129S1/SvImJ x CAST/EiJ F1
attributes.tag: Sex
attributes.value: female
attributes.tag: cell type
attributes.value: B-lymphoid immortalized with Abelson murine leukemia virus
attributes.tag: chip antibody
attributes.value: Anti-H3K27me3 (ABE44 Millipore, Billerica, MA)