ST3GAL3 GI:28373084 sialyltransferase 6 isoform h 1 mgllvfvrnl llalclflvl gflyysawkl hllqweedsk ydrlgfllnl 50 51 dsklpaelat kyanfsegac kpgyasalmt aifprfskpa pmflddsfrk 100 101 warirefvpp fgikgqvlda qyparervsa eagessrhh