Peptide sequence: CEPHKRGLMK TPLKESTTAN IVLAEIQPDF GPLTTPTKPK EGSQGEPWTP Sequence homology: Cow: 93%; Dog: 93%; Guinea Pig: 93%; Horse: 79%; Human: 100%; Mouse: 93%; Rabbit: 93%; Rat: 93%. E2F transcription factors, such as E2F8, are essential for orches