>sp|P09070|HXB4_XENLA Homeobox protein Hox-B4 OS=Xenopus laevis GN=hoxb4 MRMSSFLISSNYVDPKFPPCEEYSHSDYSPGYYGSQKRESSFQHGAPYPRSVSSNSSSSA SYSSCQGSVRQSARLPHSSGLVPGEKAHLEPHMPTSSPPSCSLKSSEHKHPDSPEQDPVV YPWMKKAHISKATSTYSDGEAKRSRTAYTRQQVLELEKEFHYNRYLTRRRRVEIAHTLRL SERQIKIWFQNRRMKWKKDHKLPNTKIKSNPSVNLQIAGGSPNQNKGNHVCQ