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Catalysis in Penicillin G Amidase - a Member of the Ntn (N Terminal Nucleophile) Hydrolase Family

Guy G. Dodson ; Department of Chemistry, University of York, York Y010 5DD, UK

Puni tekst: engleski, pdf (164 KB) str. 901-908 preuzimanja: 237* citiraj
APA 6th Edition
Dodson, G.G. (2000). Catalysis in Penicillin G Amidase - a Member of the Ntn (N Terminal Nucleophile) Hydrolase Family. Croatica Chemica Acta, 73 (3), 901-908. Preuzeto s https://hrcak.srce.hr/132034
MLA 8th Edition
Dodson, Guy G.. "Catalysis in Penicillin G Amidase - a Member of the Ntn (N Terminal Nucleophile) Hydrolase Family." Croatica Chemica Acta, vol. 73, br. 3, 2000, str. 901-908. https://hrcak.srce.hr/132034. Citirano 21.09.2020.
Chicago 17th Edition
Dodson, Guy G.. "Catalysis in Penicillin G Amidase - a Member of the Ntn (N Terminal Nucleophile) Hydrolase Family." Croatica Chemica Acta 73, br. 3 (2000): 901-908. https://hrcak.srce.hr/132034
Harvard
Dodson, G.G. (2000). 'Catalysis in Penicillin G Amidase - a Member of the Ntn (N Terminal Nucleophile) Hydrolase Family', Croatica Chemica Acta, 73(3), str. 901-908. Preuzeto s: https://hrcak.srce.hr/132034 (Datum pristupa: 21.09.2020.)
Vancouver
Dodson GG. Catalysis in Penicillin G Amidase - a Member of the Ntn (N Terminal Nucleophile) Hydrolase Family. Croatica Chemica Acta [Internet]. 2000 [pristupljeno 21.09.2020.];73(3):901-908. Dostupno na: https://hrcak.srce.hr/132034
IEEE
G.G. Dodson, "Catalysis in Penicillin G Amidase - a Member of the Ntn (N Terminal Nucleophile) Hydrolase Family", Croatica Chemica Acta, vol.73, br. 3, str. 901-908, 2000. [Online]. Dostupno na: https://hrcak.srce.hr/132034. [Citirano: 21.09.2020.]

Sažetak
The Ntn (N terminal nucleophile) hydrolases are a new family of hydrolytic enzymes with a characteristic fold in their catalytic domain. These enzymes act on a range of substrates, cleaving amide or ester bonds by a nucleophilic reaction. The catalytic nucleophile is the oxygen in serine or threonine side chains, or sulphur in the cysteine side chain. The active site is often created by autocatalytic cleavage at the nucleophile-containing catalytic residue. As a result of cleavage a free alpha amino group is generated which is an essential component in the enzyme’s catalytic structure. The crystal structure of the precursor of the enzyme penicillin amidase has been determined, revealing the stereochemistry at the scissile bond prior to autocatalytic cleavage.

Ključne riječi
serine hydrolase; nucleophilic attack; Ntn-hydrolase; autocatalysis

Hrčak ID: 132034

URI
https://hrcak.srce.hr/132034

Posjeta: 363 *