Peptide sequence: SVNEAIDQRN QQLRTLQEEC DRKLITLRDE ISIDLYELEE EYYSSSSSLC Sequence homology: Cow: 93%; Dog: 93%; Guinea Pig: 93%; Horse: 93%; Human: 100%; Mouse: 93%; Rat: 100%; Zebrafish: 93%. This gene is located in the surfeit gene cluster, a group of