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5-nitrosalicylate dioxygenase

Enzyme

Field	Value
Name	5-nitrosalicylate dioxygenase
EC_number	1.13.11.64

5-nitrosalicylate dioxygenase (, naaB (gene)) is an enzyme with systematic name 5-nitrosalicylate:oxygen 1,2-oxidoreductase (decyclizing). This enzyme catalyses the following chemical reaction

: 5-nitrosalicylate + O2 \rightleftharpoons 2-oxo-3-(5-oxofuran-2-ylidene)propanoate + nitrite (overall reaction) :(1a) 5-nitrosalicylate + O2 \rightleftharpoons 4-nitro-6-oxohepta-2,4-dienedioate :(1b) 4-nitro-6-oxohepta-2,4-dienedioate \rightleftharpoons 2-oxo-3-(5-oxofuran-2-ylidene)propanoate + nitrite (spontaneous reaction)

The enzyme from soil bacterium Bradyrhizobium sp. JS329 participates in 5-nitroanthranilate degradation.

References

(March 2010). "Biodegradation of 5-nitroanthranilic acid by Bradyrhizobium sp. strain JS329". Applied and Environmental Microbiology.
(June 2011). "Molecular and biochemical characterization of the 5-nitroanthranilic acid degradation pathway in Bradyrhizobium sp. strain JS329". Journal of Bacteriology.

Info: Wikipedia Source

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ec-1.13.11

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