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EC Tree
The taxonomic range for the selected organisms is: Rhodococcus erythropolis The enzyme appears in selected viruses and cellular organisms
Synonyms
amidase, deaminase, acylase, acetamidase, amide hydrolase, acid transferase, n-acylethanolamine acid amidase, n-acylethanolamine-hydrolyzing acid amidase, atfaah, acylamidase,
more
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amide transferase
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ester transferase
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N-acetylaminohydrolase
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Wide spectrum amidase
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amidase
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hydrolysis of carboxylic acid amide
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transfer of amide group
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transfer of acyl group
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acylamide amidohydrolase
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(R)-2-chloromandelamide + H2O
(R)-2-chloromandelic acid + NH3
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-
?
acetamide + H2O
?
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?
hydroxylamine hydrochloride + H2O
?
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-
?
mandelamide + H2O
mandelic acid + NH3
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-
-
?
4-chloro-3-hydroxybutyramide + H2O
4-chloro-3-hydroxybutyrate + NH3
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substrate of the soluble enzyme and of the immobilized, cross-linked enzyme
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?
4-chloro-3-hydroxybutyramide + H2O
4-chloro-3-hydroxybutyric acid + NH3
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?
acetamide + H2O
acetate + NH3
acetamide + H2O
acetic acid + NH3
also acyl transfer activity in the presence of hydroxylamine
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?
acrylamide + H2O
acrylate + NH3
acrylamide + H2O
acrylic acid + NH3
also acyl transfer activity in the presence of hydroxylamine
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-
?
benzamide + H2O
benzoate + NH3
benzamide + H2O
benzoic acid + NH3
also acyl transfer activity in the presence of hydroxylamine
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-
?
butyramide + H2O
butyrate + NH3
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substrate of the soluble enzyme and of the immobilized, cross-linked enzyme
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?
butyramide + H2O
butyric acid + NH3
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?
isobutyramide + H2O
isobutyrate + NH3
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substrate of the soluble enzyme and of the immobilized, cross-linked enzyme, preferred substrate
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?
isobutyramide + H2O
isobutyric acid + NH3
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?
ketoprofen amide
2-(3-benzoylphenyl)propionic acid + NH3
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-
?
phenylacetamide
phenylacetic acid + NH3
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-
-
?
propionamide + H2O
propionate + NH3
propionamide + H2O
propionic acid + NH3
also acyl transfer activity in the presence of hydroxylamine
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?
additional information
?
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acetamide + H2O
acetate + NH3
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?
acetamide + H2O
acetate + NH3
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substrate of the soluble enzyme and of the immobilized, cross-linked enzyme, low activity
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?
acrylamide + H2O
acrylate + NH3
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?
acrylamide + H2O
acrylate + NH3
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substrate of the soluble enzyme and of the immobilized, cross-linked enzyme
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?
benzamide + H2O
benzoate + NH3
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?
benzamide + H2O
benzoate + NH3
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substrate of the soluble enzyme and of the immobilized, cross-linked enzyme
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?
propionamide + H2O
propionate + NH3
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?
propionamide + H2O
propionate + NH3
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substrate of the soluble enzyme and of the immobilized, cross-linked enzyme
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?
additional information
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the enzyme is absolutely enantioselective, biocatalytic hydrolysis of cyanohydrins of amidase with nitrile hydratase, overview
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?
additional information
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the enzyme is absolutely enantioselective, biocatalytic hydrolysis of cyanohydrins of amidase with nitrile hydratase, overview
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?
additional information
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enantioselectivity toward (R)-4-chloro-3-hydroxybutyramide: e.e value 52% (conversion yield 57%)
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?
additional information
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enantioselectivity toward (R)-4-chloro-3-hydroxybutyramide: e.e value 52% (conversion yield 57%)
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?
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ketoprofen amide
2-(3-benzoylphenyl)propionic acid + NH3
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-
?
phenylacetamide
phenylacetic acid + NH3
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?
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Mg2+
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required for enzyme activity
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Ag+
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0% of origin activity
Cu2+
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0% of origin activity
dithiothreitol
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97% of origin activity
iodoacetate
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81% of origin activity
p-hydroxymercuribenzoate
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53% of origin activity
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0.067
ketoprofen amide
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0.069
phenylacetamide
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5.57
acetamide
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19
acetamide
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pH and temperature not specified in the publication
4.79
Acrylamide
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24.1
Acrylamide
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pH and temperature not specified in the publication
0.04
Benzamide
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1.03
Benzamide
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pH and temperature not specified in the publication
1.3
Propionamide
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34.2
Propionamide
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pH and temperature not specified in the publication
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4.03 - 155.2
Propionamide
0.21
acetamide
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20.2
acetamide
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pH and temperature not specified in the publication
0.58
Acrylamide
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2.1
Acrylamide
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pH and temperature not specified in the publication
0.48
Benzamide
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157.7
Benzamide
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pH and temperature not specified in the publication
4.03
Propionamide
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155.2
Propionamide
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pH and temperature not specified in the publication
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1.14
acetamide
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pH and temperature not specified in the publication
0.087
Acrylamide
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pH and temperature not specified in the publication
153.5
Benzamide
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pH and temperature not specified in the publication
4.54
Propionamide
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pH and temperature not specified in the publication
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0.67
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activity in cell extract, substrate 1 mM phenylacetamide
0.81
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activity in cell extract, substrate 1 mM ketoprofen amide
1.3
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activity in cell extract, substrate 1 mM naproxen amide
16.39
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substrate hexanamide
4.1
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activity after purification, substrate 5 mM phenylacetamide
4.83
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substrate methacrylamide
6.69
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substrate cyclohexanamide
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8
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immobilized, cross-linked enzyme aggregate
8.5
substrate: isobutyramide, no activity in Tris-HCl buffer
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55
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55
substrate: isobutyramide, no activity in Tris-HCl buffer
60
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60
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immobilized, cross-linked enzyme aggregate
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UniProt
brenda
sequence identical to the sequenced enzyme fragment from strain NCIMB11540; NCIMB11540
UniProt
brenda
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metabolism
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the enzyme is involved in the nitrile hydratase pathway
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AMID_RHOER
521
0
54706
Swiss-Prot
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56000
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x * 56000, recombinant enzyme, SDS-PAGE
61000
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8 * 61000, SDS-PAGE
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?
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x * 56000, recombinant enzyme, SDS-PAGE
octamer
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8 * 61000, SDS-PAGE
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additional information
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generation of an immobilized, cross-linked enzyme aggregate by mixing of the recombinant, crude, soluble enzyme with bovine serum albumin, and ammonium sulfate precipitation, followed by cross-linking of the resultant precipitant with glutaraldehyde. The enzyme aggregate shows hydrolytic activity toward a variety of amide substrates, and increased reaction stability
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50
up to 50°C, 30 min
50
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1 h, the enzyme maintains 100% of its original activity when incubated for 1 h
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room temperature, half-life about 2000 days with ammonium sulfate
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ion-exchange chromatography, phenyl-Superose column, desalted with a Hitrap desalting column
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expression in Escherichia coli strain BL21
expression in Escherichia coli strain BL21(DE3)
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gene ami, expression in Bacillus subtilis and in Escherichia coli strain BL21 (DE3) using different promoters. Analysis of expression effect of different promoters in Bacillus subtilis using five distinct promoters, sacB, amyE, p43, degQ, aprE, and their native signal peptide genes, to separately construct five different vectors harboring ami gene, overview. The amyE promoter along with its native signal peptide gene is most effective
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overexpression in Escherichia coli BL21(DE3)
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biotechnology
the enzyme is useful in biocatalytic nitrile hydrolysis in a system together with nitrile hydratase, EC 4.2.1.84
industry
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the immobilized, cross-linked enzyme aggregate proves useful as a substitute for soluble amidase as a biocatalyst in the pharmaceutical and chemical industries
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Hirrlinger, B.; Stolz, A.; Knackmuss, H.J.
Purification and properties of an amidase from Rhodococcus erythropolis MP50 which enantioselectively hydrolyzes 2-arylpropionamides
J. Bacteriol.
178
3501-3507
1996
Rhodococcus erythropolis, Rhodococcus erythropolis MP50
brenda
Reisinger, C.; Osprian, I.; Glieder, A.; Schoemaker, H.E.; Griengl, H.; Schwab, H.
Enzymatic hydrolysis of cyanohydrins with recombinant nitrile hydratase and amidase from Rhodococcus erythropolis
Biotechnol. Lett.
26
1675-1680
2004
Rhodococcus erythropolis (P22984), Rhodococcus erythropolis, Rhodococcus erythropolis NCIMB11540 (P22984)
brenda
Vaidya, B.K.; Mutalik, S.R.; Joshi, R.M.; Nene, S.N.; Kulkarni, B.D.
Enhanced production of amidase from Rhodococcus erythropolis MTCC 1526 by medium optimisation using a statistical experimental design
J. Ind. Microbiol. Biotechnol.
36
671-678
2009
Rhodococcus erythropolis
brenda
Park, H.J.; Uhm, K.N.; Kim, H.K.
R-stereoselective amidase from Rhodococcus erythropolis No. 7 acting on 4-chloro-3-hydroxybutyramide
J. Microbiol. Biotechnol.
18
552-559
2008
Rhodococcus erythropolis (B4XEY3), Rhodococcus erythropolis, Rhodococcus erythropolis No. 7 (B4XEY3)
brenda
Han, W.W.; Wang, Y.; Zhou, Y.H.; Yao, Y.; Li, Z.S.; Feng, Y.
Understanding structural/functional properties of amidase from Rhodococcus erythropolis by computational approaches
J. Mol. Model.
15
481-487
2009
Rhodococcus erythropolis (P22984), Rhodococcus erythropolis
brenda
Park, H.J.; Uhm, K.N.; Kim, H.K.
Biotransformation of amides to acids using a co-cross-linked enzyme aggregate of Rhodococcus erythropolis amidase
J. Microbiol. Biotechnol.
20
325-331
2010
Rhodococcus erythropolis
brenda
Yue, Y.; Lian, J.; Tian, P.; Tan, T.
Cloning of amidase gene from Rhodococcus erythropolis and expression by distinct promoters in Bacillus subtilis
J. Mol. Catal. B
56
89-95
2009
Rhodococcus erythropolis
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brenda
Li, H.; Zhu, S.; Zheng, G.
Promiscuous (+)-gamma-lactamase activity of an amidase from nitrile hydratase pathway for efficient synthesis of carbocyclic nucleosides intermediate
Bioorg. Med. Chem. Lett.
28
1071-1076
2018
Rhodococcus erythropolis, Rhodococcus erythropolis R4
brenda