ST3 beta-galactoside alpha-2,3-sialyltransferase 1 MVTLRKRTLKVLTFLVLFIFLTSFFLNYSHTMVATTWFPKQMVLELSENLKRLIKHRPCTCTHCIGQRKLSA MVTLRKRTLKVLTFLVLFIFLTSFFLNYSHTMVATTWFPKQMVLELSENLKRLIKHRPCTCTHCIGQRKLSA FIFLTSFFLNYSHTVVTTAWFPKQMVIELSENFKKLMKYPYRPCTCTRCIEEQRVSA FIFLTSFFLNYSHTMVATTWFPKQMVLELSENLKRLIK--HRPCTCTHCIGQRKLSA MVTLRKRTLK VLTFLVLFIF LTSFFLNYSH TMVATTWFPK QMVLELSENL KRLIKHRPCT CTHCIGQRKL SA