G6PC2 GI:126273546 islet-specific glucose-6-phosphatase-related protein isoform 2 1 mdflhrngvl iiqhlqkdyr ayytflnfms nvgdprniff iyfplcfqfn 50 51 qtvgtkmiwv avigdwlnli fkwilfghrp ywwvqetqiy pnhsspcleq 100 101 fpttcetgpg spsghamgas cvwyvmvtaa lshtvcgmdk fsitlhrhag 150 151 grgl