[Term] id: PR:000019965 name: polypeptide N-acetylgalactosaminyltransferase 1 proteolytic cleavage product def: "A polypeptide N-acetylgalactosaminyltransferase 1 that has been processed by proteolytic cleavage." [PRO:DNx] comment: Category=modification. synonym: "GALNT1/ClvPrd" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000007818 ! polypeptide N-acetylgalactosaminyltransferase 1 intersection_of: output_of GO:0016485 ! protein processing