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A8376

Sigma-Aldrich

Acylase I aus Schweineniere

Grade II, salt-free, lyophilized powder, 300-1,500 units/mg protein

Synonym(e):

Aminoacylase, N-Acylaminosäure-Amidohydrolase

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About This Item

CAS-Nummer:
9012-37-7
EC-Nummer:
3.5.1.14 (BRENDA, IUBMB)
EG-Nummer:
232-732-3
MDL-Nummer:
MFCD00081285
UNSPSC-Code:
12352204
NACRES:
NA.54

Typ

Grade II

Qualitätsniveau

200

Form

salt-free, lyophilized powder

Spezifische Aktivität

300-1,500 units/mg protein

UniProt-Hinterlegungsnummer

P37111

Lagertemp.

−20°C

Angaben zum Gen

pig ... ACY1(396930)

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Anwendung

Acylase I from porcine kidney has been used to study the acylase I-catalyzed deacetylation of various S-alkyl-N-acetyl-L-cysteines and their carbon and oxygen analogues . Acylase I may be useful to catalyze N-acetyl amino acids to enantiomerically pure L-amino acids .

Biochem./physiol. Wirkung

Acylase I is a zinc metalloprotein that catalyzes the kinetic resolution of unnatural and rarely occurring α-amino acids. Its enantioselectivity for the hydrolysis of N-acyl L-α-amino acids is nearly absolute, yet it accepts substrates having a wide range of structure and functionality. Acylase I catalyzes the deacetylation of N-acetyl-L-cysteine and S-alkyl-N-acetyl-L-cysteines. n-Butylmalonic acid is an inhibitor of acylase I. S-alkyl-N-acetyl-L-cysteines with short (C0-C3) and unbranched S-alkyl substituents have been found to be good acylase I substrates.

Einheitendefinition

One unit will hydrolyze 1.0 μmole of N-acetyl-L-methionine per hr at pH 7.0 at 25 °C.

Hinweis zur Analyse

Protein determined by biuret.

Piktogramme

Health hazardExclamation mark
GHS08,GHS07

Signalwort

Danger

Gefahreneinstufungen

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

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Kinetic resolution of unnatural and rarely occurring amino acids: enantioselective hydrolysis of N-acyl amino acids catalyzed by acylase I
Chenault HK, et al.
Journal of the American Chemical Society, 111(16), 6354-6364 (1989)
V Uttamsingh et al.
Chemical research in toxicology, 11(7), 800-809 (1998-07-22)
The aminoacylase that catalyzes the hydrolysis of N-acetyl-L-cysteine (NAC) was identified as acylase I after purification by column chromatography and electrophoretic analysis. Rat kidney cytosol was fractionated by ammonium sulfate precipitation, and the proteins were separated by ion-exchange column chromatography
Christoph M Ernst et al.
Molecular microbiology, 80(2), 290-299 (2011-02-11)
Bacteria are frequently exposed to cationic antimicrobial peptides (CAMPs) from eukaryotic hosts (host defence peptides) or from prokaryotic competitors (bacteriocins). However, many bacteria, among them most of the major human pathogens, achieve CAMP resistance by MprF, a unique enzyme that
Vildan Caner et al.
Antonie van Leeuwenhoek, 94(4), 527-532 (2008-07-31)
A total of 190 Campylobacter spp. isolates, of which 34 gave the result of very weak activity, and 156 gave the negative activity in the test for hippurate hydrolysis were characterized. The genomic DNA was isolated from a fresh culture
Tao Dong et al.
Bioresource technology, 101(16), 6569-6571 (2010-04-07)
The effects of bovine serum albumin (BSA) addition on the cross-linked enzyme aggregates (CLEA) of aminoacylase from Aspergillus melleus (EC 3.5.1.14) were conducted at varying glutaraldehyde to enzyme ratio. After optimization, CLEA of aminoacylase prepared with 10 mg BSA per
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