Peptide sequence: MASPSKGNDL FSPDEEGPAV VAGPGPGPGG AEGAAEERRV KVSSLPFSVE Sequence homology: Cow: 100%; Dog: 100%; Goat: 93%; Horse: 100%; Human: 100%; Mouse: 93%; Rabbit: 93%; Rat: 93%. Msx2 is a transcriptional repressor whose normal activity may establ