ST8 alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase 1 MSPCGRARRQ TSRGAMAVLA WKFPRTRLPM GASALCVVVL CWLYIFPVYR LPNEKEIVQG VLQQGTAWRR NQTAARAFSV STLLTLAAHE SLNIHLGGGI TVLVFKEHRF YFTSGPKMQD