Peptide sequence: ISQMITYWGY PNEEYEVVTE DGYILEVNRI PYGKKNSGNT GQRPVVFLQH Sequence homology: Dog: 77%; Guinea Pig: 91%; Horse: 86%; Human: 100%; Mouse: 85%; Rabbit: 93%; Rat: 86%. NELF (nasal embryonic luteinizing hormone-releasing hormone factor) is a 53