^ http://www.ebi.ac.uk/efo/EFO_0005914

ZHBTc4 undifferentiated mouse embryonic stem cells originated from a male mouse of the 129/Ola strain, and received as frozen ampoules from D. Levasseur (University of Iowa). These cells lack functional endogenous Oct4 alleles and harbor a regulatable Oct4 transgene.

Synonyms: ZHBTc4, ZHBTc4 ES cell, ZHBTc4 ES, ZHBTc4 cell