N4-(beta-N-acetylglucosaminyl)-L-asparaginase

N4-(beta-N-acetylglucosaminyl)-L-asparaginase (EC 3.5.1.26, aspartylglucosylamine deaspartylase, aspartylglucosylaminase, aspartylglucosaminidase, aspartylglycosylamine amidohydrolase, N-aspartyl-beta-glucosaminidase, glucosylamidase, beta-aspartylglucosylamine amidohydrolase, 4-N-(beta-N-acetyl-D-glucosaminyl)-L-asparagine amidohydrolase) is an enzyme with systematic name N4-(beta-N-acetyl-D-glucosaminyl)-L-asparagine amidohydrolase. This enzyme catalyses the following chemical reaction

N-(beta-N-acetyl-D-glucosaminyl)-L-asparagine + H₂O

\rightleftharpoons

N-acetyl-beta-D-glucosaminylamine + L-aspartate

This enzyme acts only on asparagine-oligosaccharides containing one amino acid.

References

Kono M, Yamashina I (February 1972). "Purification and properties of 4-L-aspartylglycosylamine amidohydrolase from hog kidney". Biochimica et Biophysica Acta (BBA) - Enzymology. 258 (2): 600–17. doi:10.1016/0005-2744(72)90252-5. PMID 5010303.
Mahadevan S, Tappel AL (October 1967). "Beta-aspartylglucosylamine amido hydrolase of rat liver and kidney". The Journal of Biological Chemistry. 242 (20): 4568–76. doi:10.1016/S0021-9258(18)99494-9. PMID 6061403.
Tarentino AL, Maley F (March 1969). "The purification and properties of a beta-aspartyl N-acetylglucosylamine amidohydrolase from hen oviduct". Archives of Biochemistry and Biophysics. 130 (1): 295–303. doi:10.1016/0003-9861(69)90036-8. PMID 5778645.

External links

N4-(beta-N-acetylglucosaminyl)-L-asparaginase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

v t e Hydrolases: carbon-nitrogen non-peptide (EC 3.5)
3.5.1: Linear amides / Amidohydrolases	Asparaginase Glutaminase Urease Biotinidase Aminoacylase ACY1 Aspartoacylase(ACY2) ACY3 Ceramidase Aspartylglucosaminidase Fatty acid amide hydrolase Histone deacetylase Sirtuin
3.5.2: Cyclic amides/ Amidohydrolases	Barbiturase Beta-lactamase Dihydroorotase
3.5.3: Linear amidines/ Ureohydrolases	Arginase Agmatinase Protein-arginine deiminase
3.5.4: Cyclic amidines/ Aminohydrolases	Guanine deaminase Adenosine deaminase AMP deaminase Inosine monophosphate synthase DCMP deaminase GTP cyclohydrolase I Cytidine deaminase AICDA Activation-induced cytidine deaminase
3.5.5: Nitriles/ Aminohydrolases	Nitrilase
3.5.99: Other	Riboflavinase Thiaminase II

v t e Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Diffusion-limited enzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)

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