>sp|Q00223|XP4_XENLA Putative gastrointestinal growth factor xP4 OS=Xenopus laevis GN=p4 MANSVFWAIAVALVLGAEAYMPLDYRCGVKPKSRDNCGPPGISPDECVKKGCCFDDSDPD SIWCYTPWKFEDTICNPAEPKARVNCGYPGITSQDCDKKGCCFNDTIPNVVWCYQPIIEA VERDCSAVEPKKRVNCGPPGVSPDECIKNGCCFNSDVGGVPWCFKPEIKKELLQCAVLPK ARINCGYPDITMDQCYKKGCCYDSSESDSIWCFYPDIEDVTIIE