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EC 3.5.1.52 Details
EC number
3.5.1.52
Accepted name
peptide-N4-(N-acetyl-β-glucosaminyl)asparagine amidase
Reaction
Hydrolysis of an N4-(acetyl-β-D-glucosaminyl)asparagine residue in which the glucosamine residue may be further glycosylated, to yield a (substituted) N-acetyl-β-D-glucosaminylamine and a peptide containing an aspartate residue
Other name(s)
glycopeptide N-glycosidase, glycopeptidase, N-oligosaccharide glycopeptidase, N-glycanase, Jack-bean glycopeptidase, PNGase A, PNGase F
Systematic name
N-linked-glycopeptide-(N-acetyl-β-D-glucosaminyl)-L-asparagine amidohydrolase
CAS registry number
83534-39-8
Comment
Does not act on (GlcNAc)Asn, because it requires the presence of more than two amino-acid residues in the substrate [cf. EC 3.5.1.26, N4-(β-N-acetylglucosaminyl)-L-asparaginase]. The plant enzyme was previously erroneously listed as EC 3.2.2.18.
History
created 1984, modified 1989 (EC 3.2.2.18 created 1984, incorporated 1989)
EC Tree
3.5.1.34 created 1972, deleted 1981
3.5.1.37 created 1972, deleted 1976
3.5.1.45 created 1978, deleted 1986
3.5.1.80 created 1999, deleted 2002