Peptide sequence: RRLGGSQSET EVRQKQQLQL MQSKYKQKLK REESVRIKKE AEEAELQKMK Sequence homology: Cow: 86%; Dog: 86%; Horse: 93%; Human: 100%; Mouse: 93%; Rabbit: 86%; Rat: 93%. EPSTI1 was up-regulated in breast carcinomas. The exact function of EPSTI1 is not