Peptide sequence: LPQERLLIAD VAISASEFMF EETRNYVKQR KAFGKTVAHL QTVQHKLAEL Sequence homology: Cow: 92%; Guinea Pig: 92%; Horse: 100%; Human: 100%; Mouse: 100%; Pig: 100%; Rabbit: 100%; Rat: 100%; Zebrafish: 77%. The protein encoded by this gene belongs to