REG4 GI:226823235 regenerating islet-derived family, member 4 isoform 2 1 masrsmrlll llsclaktgv lgdiimrpsc apgwfyhksn cygyfrklrn 50 51 wsdaevrnll pawpglsrak dqpepqisfd sgssvlpghy eekplwlvkw 100 101 reegcvfnsf nsvsiaeaga vcqtldglqa htdt