Core 1 synthase, glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase 1 MASKSWLNFL TFLCGSAIGF LLCSQLFSIL LGEKVDTQPN VLHNDPHARH SDDNGQNHLE GQMNFNADSS QHKDENTDIA ENLYQKVRIL CWVMTGPQNL EKKAKHVKAT WAQRCNKVLF MSSEENKDFP A