attributes.tag: source_name
attributes.value: FUCCI-Ring1a-/-;Ring1b-/-;Rosa26::CreERT2-mESCs
attributes.tag: cell-type
attributes.value: Mouse embryonic stem cells
attributes.tag: strain
attributes.value: Derived from male blastocysts in (Endoh et al 2008)
attributes.tag: developmental stage
attributes.value: E3.5
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: collection_date
attributes.value: missing