Reaction catalyzed by glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase (2.4.1.40) show all sequences for 2.4.1.40
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=
+
UDP-N-acetyl-D-galactosamine
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alpha-L-fucosyl-1-2-D-galactosyl-O-R
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UDP
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N-acetyl-alpha-D-galactosaminyl-1,3-[alpha-L-fucosyl-1-2]-D-galactosyl-O-R