ST6GAL1 GI:27765093 ST6 beta-galactosamide alpha-2,6-sialyltranferase 1 isoform b 1 mnsqlvttek rflkdslyne gilivwdpsv yhsdipkwyq npdynffnny 50 51 ktyrklhpnq pfyilkpqmp welwdilqei speeiqpnpp ssgmlgiiim 100 101 mtlcdqvdiy eflpskrktd vcyyyqkffd sactmgayhp llyeknlvkh 150 151 lnqgtdediy llgkatlpgf rtihc