Peptide sequence: ADLEHHFHSA PCMLAAAEGT QFSDGGEEDE EDEGEKLSYL NSLAAADGHG Sequence homology: Cow: 93%; Dog: 93%; Guinea Pig: 93%; Horse: 86%; Human: 100%; Mouse: 93%; Rabbit: 93%; Rat: 93%. NKX2-3 encodes a homeodomain-containing transcription factor. The