ST3 beta-galactoside alpha-2,3-sialyltransferase 3 MGLLVFVRNL LLALCLFLVL GFLYYSAWKL HLLQWEEDSN SVVLSFDSAG QTLGSEYDRL GFLLNLDSKL PAELATKYAN FSEGACKPGY ASALMTAIFP RFSKPAPMFL DDSFRKWARI REFVPPFGIK GQDNLIKAIL SVTKEYRLTP ALDSLRCRRC IIVGNGGVLA NKSLGSRIDD YDIVVRLNSA PVKGFEKDVG SKTTLRITYP EGAMQRPEQY ERDSLFVLAG FKWQDFKWLK YIVYKERVSA SDGFWKSVAT RVPKEPPEIR ILNPYFIQEA AFTLIGLPFN NGLMGRGNIP TLGSVAVTMA LHGCDEVAVA GFGYDMSTPN APLHYYETVR MAAIKEPRPH VENLNPSELR LPHFCFDHQP STDPSLKPGN LGPVLQQLLC CYIWVMGGCW REPPICADSC FCKSGGSGLS PHSCLSVFLS ILLHHPPPLF QSLPCPKSSS LFQ