Noun
English Wikipedia has an article on:Glycoprotein-fucosylgalactoside a-N-acetylgalactosaminyltransferaseWikipedia
acetylgalactosaminyltransferase (plural acetylgalactosaminyltransferases)
(biochemistry) Any of a class of glycosyltransferases that participate in the biosynthesis of glycans