GIP GI:4758436 gastric inhibitory polypeptide preproprotein 1 mvatktfall llslflavgl gekkeghfsa lpslpvgsha kvsspqprgp 50 51 ryaegtfisd ysiamdkihq qdfvnwllaq kgkkndwkhn itqrearale 100 101 lasqanrkee eavepqsspa knpsdedllr dlliqellac lldqtnlcrl 150 151 rsr