04529
Nitrilase
recombinant, expressed in E. coli, ≥2.0 U/mg
Sinónimos:
Nitrile aminohydrolase
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About This Item
Número de CAS:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
Productos recomendados
recombinant
expressed in E. coli
form
crystals
powder
specific activity
≥2.0 U/mg
mol wt
41 kDa
storage temp.
2-8°C
General description
Nitrilase belongs to the C-N hydrolase superfamily. It possesses the catalytic triad motifs: glutamate, lysine, and cysteine and are distributed in fungi, plants, and animals.The isoelectric point (pI) of this protein is 8.1. Native polyacrylamide gel electrophoresis (PAGE).
Application
Nitrilase may be used for immobilization on acryloyl crosslinked cellulose dialdehyde (ACCD) for catalytic activity studies.
Biochem/physiol Actions
Nitrilases catalyze the liberation of ammonia and the formation of carboxylic acid from the nitriles. The oligomeric structural organization of nitrilase is crucial for its functionality. It displays broad substrate specificity.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Unit Definition
1 U corresponds to the amount of enzyme which liberates 1 μmol ammonia per minute at pH 7.2 and 25°C with the conversion of acrylonitrile to acrylic acid
signalword
Danger
hcodes
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Joanna E Raczynska et al.
Journal of structural biology, 173(2), 294-302 (2010-11-26)
The nitrilase superfamily is a large and diverse superfamily of enzymes that catalyse the cleavage of various types of carbon-nitrogen bonds using a Cys-Glu-Lys catalytic triad. Thermoactive nitrilase from Pyrococcus abyssi (PaNit) hydrolyses small aliphatic nitriles like fumaro- and malononitryl.
Alena Petříčková et al.
Applied microbiology and biotechnology, 93(4), 1553-1561 (2011-09-06)
Nitrilases from Aspergillus niger CBS 513.88, A. niger K10, Gibberella moniliformis, Neurospora crassa OR74A, and Penicillium marneffei ATCC 18224 were expressed in Escherichia coli BL21-Gold (DE3) after IPTG induction. N. crassa nitrilase exhibited the highest yield of 69,000 U L(-1)
Jeremy D Woodward et al.
Communications biology, 1, 186-186 (2018-11-13)
Nitrilases are oligomeric, helix-forming enzymes from plants, fungi and bacteria that are involved in the metabolism of various natural and artificial nitriles. These biotechnologically important enzymes are often specific for certain substrates, but directed attempts at modifying their substrate specificities
Geraldine V Dennett et al.
Frontiers in bioengineering and biotechnology, 4, 5-5 (2016-03-15)
Several environmental samples from Antarctica were collected and enriched to search for microorganisms with nitrilase activity. A new thermostable nitrilase from a novel hyperthermophilic archaea Pyrococcus sp. M24D13 was purified and characterized. The activity of this enzyme increased as the
Pablo Soriano-Maldonado et al.
Applied and environmental microbiology, 77(16), 5761-5769 (2011-06-28)
Formamidases (EC 3.5.1.49) are poorly characterized proteins. In spite of this scarce knowledge, ammonia has been described as playing a central role in the pathogenesis of human pathogens such as Helicobacter pylori, for which formamidase has been shown to participate
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