Peptide sequence: SRMLQTLAGV NLAGHSVQGG MALPPPPHGH EGADGDGRKQ DIGDILHQIM Sequence homology: Cow: 100%; Guinea Pig: 100%; Human: 100%; Mouse: 100%; Rat: 100%; Zebrafish: 85%. PBX3 is a transcriptional activator that binds the sequence 5'-ATCAATCAA-3'.