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Literature summary extracted from

  • Dhillon, J.; Chhatre, S.; Shanker, R.; Shivaraman, N.
    Transformation of aliphatic and aromatic nitriles by a nitrilase from Pseudomonas sp. (1999), Can. J. Microbiol., 45, 811-815.
No PubMed abstract available

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.5.5.1 0.75
-
potassium cyanide
-
Pseudomonas sp.
3.5.5.1 5.88
-
acrylonitrile
-
Pseudomonas sp.
3.5.5.1 10.28
-
adiponitrile
-
Pseudomonas sp.
3.5.5.1 11.26
-
acetonitrile
-
Pseudomonas sp.
3.5.5.1 12.27
-
Benzonitrile
-
Pseudomonas sp.
3.5.5.7 additional information
-
additional information kinetics Pseudomonas sp.
3.5.5.7 0.75
-
potassium cyanide pH 7.0, 37°C, partially purified enzyme Pseudomonas sp.
3.5.5.7 5.88
-
acrylonitrile pH 7.0, 37°C, partially purified enzyme Pseudomonas sp.
3.5.5.7 10.28
-
adiponitrile pH 7.0, 37°C, partially purified enzyme Pseudomonas sp.
3.5.5.7 11.26
-
acetonitrile pH 7.0, 37°C, partially purified enzyme Pseudomonas sp.
3.5.5.7 12.27
-
Benzonitrile pH 7.0, 37°C, partially purified enzyme Pseudomonas sp.

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.5.5.7 41000
-
native PAGE Pseudomonas sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.5.5.1 acrylonitrile + H2O Pseudomonas sp. best substrate, no formation of amide acrylic acid + NH3
-
?
3.5.5.1 benzonitrile + 2 H2O Pseudomonas sp.
-
benzoic acid + NH3
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.5.5.1 Pseudomonas sp.
-
-
-
3.5.5.7 Pseudomonas sp.
-
from soil
-
3.5.5.7 Pseudomonas sp. S1
-
from soil
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.5.5.1 partial Pseudomonas sp.
3.5.5.7 3-step procedure, partially, 10.9fold Pseudomonas sp.

Reaction

EC Number Reaction Comment Organism Reaction ID
3.5.5.7 R-CN + 2 H2O = R-COOH + NH3 preferentially hydrolyses aliphatic nitriles, some of which are apparently not substrates for other known nitrilases, EC 3.5.5.1. Substrates include crotonitrile, acrylnitrile and glutaronitrile Pseudomonas sp.

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.5.5.1 cell culture
-
Pseudomonas sp.
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.5.5.1 3.2
-
-
Pseudomonas sp.
3.5.5.1 17530
-
-
Pseudomonas sp.
3.5.5.7 17.53
-
partially purified enzyme Pseudomonas sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.5.5.1 acetonitrile + H2O no formation of amide Pseudomonas sp. acetic acid + NH3
-
?
3.5.5.1 acrylonitrile + H2O best substrate, no formation of amide Pseudomonas sp. acrylic acid + NH3
-
?
3.5.5.1 adiponitrile + H2O no formation of amide Pseudomonas sp. adipic acid + NH3
-
?
3.5.5.1 benzonitrile + 2 H2O
-
Pseudomonas sp. benzoic acid + NH3
-
?
3.5.5.1 potassium cyanide + H2O
-
Pseudomonas sp. potassium carbonate + NH3
-
?
3.5.5.7 acetonitrile + H2O
-
Pseudomonas sp. acetate + NH3
-
?
3.5.5.7 acetonitrile + H2O
-
Pseudomonas sp. S1 acetate + NH3
-
?
3.5.5.7 acrylonitrile + H2O most effective substrate Pseudomonas sp. acrylate + NH3
-
?
3.5.5.7 adiponitrile + H2O
-
Pseudomonas sp. adipate + NH3
-
?
3.5.5.7 benzonitrile + 2 H2O
-
Pseudomonas sp. benzoic acid + NH3
-
?
3.5.5.7 benzonitrile + 2 H2O
-
Pseudomonas sp. S1 benzoic acid + NH3
-
?
3.5.5.7 butyronitrile + H2O
-
Pseudomonas sp. butyrate + NH3
-
?
3.5.5.7 butyronitrile + H2O
-
Pseudomonas sp. S1 butyrate + NH3
-
?
3.5.5.7 glutaronitrile + H2O
-
Pseudomonas sp. glutarate + NH3
-
?
3.5.5.7 glutaronitrile + H2O
-
Pseudomonas sp. S1 glutarate + NH3
-
?
3.5.5.7 phenylacetonitrile + 2 H2O
-
Pseudomonas sp. phenylacetic acid + NH3
-
?
3.5.5.7 phenylacetonitrile + 2 H2O
-
Pseudomonas sp. S1 phenylacetic acid + NH3
-
?
3.5.5.7 potassium cyanide + H2O
-
Pseudomonas sp. ?
-
?
3.5.5.7 R-CN + H2O enzyme uses both aliphatic and aromatic nitriles, no formation of amide intermediate Pseudomonas sp. R-COOH + NH3
-
?
3.5.5.7 succinodinitrile + H2O
-
Pseudomonas sp. ?
-
?

Subunits

EC Number Subunits Comment Organism
3.5.5.7 monomer 1 * 41000, SDS-PAGE Pseudomonas sp.

Synonyms

EC Number Synonyms Comment Organism
3.5.5.7 nitrilase
-
Pseudomonas sp.

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.5.5.7 37
-
assay at Pseudomonas sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.5.5.7 7
-
assay at Pseudomonas sp.