>sp|P50145|CCKN2_XENLA Cholecystokinin type 2 OS=Xenopus laevis GN=cck-B PE=2 SV=1
MCSGVCICLLLAMLSASSKAHQATGSLGEDAVGTEMDQLNLSQLPRYARASSAGQKKSFQ
RTDGDQRSNIGNALVKYLQQSRKAGPSGRYVVLPNRPIFDQSHRINDRDYMGWMDFGRRS
AEEYEYSS