The Enzyme Database

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EC 1.2.1.83     
Accepted name: 3-succinoylsemialdehyde-pyridine dehydrogenase
Reaction: 4-oxo-4-(pyridin-3-yl)butanal + NADP+ + H2O = 4-oxo-4-(pyridin-3-yl)butanoate + NADPH + H+
Glossary: 4-oxo-4-(pyridin-3-yl)butanal = 3-succinoylsemialdehyde-pyridine
4-oxo-4-(3-pyridyl)-butanoate = 3-succinoyl-pyridine
Systematic name: 4-oxo-4-(pyridin-3-yl)butanal:NADP+ oxidoreductase
Comments: The enzyme has been characterized from the soil bacterium Pseudomonas sp. HZN6. It participates in the nicotine degradation pathway.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Qiu, J., Ma, Y., Wen, Y., Chen, L., Wu, L. and Liu, W. Functional identification of two novel genes from Pseudomonas sp. strain HZN6 involved in the catabolism of nicotine. Appl. Environ. Microbiol. 78 (2012) 2154–2160. [DOI] [PMID: 22267672]
[EC 1.2.1.83 created 2012]
 
 
EC 1.4.3.24     
Accepted name: pseudooxynicotine oxidase
Reaction: 4-(methylamino)-1-(pyridin-3-yl)butan-1-one + H2O + O2 = 4-oxo-4-(pyridin-3-yl)butanal + methylamine + H2O2
Glossary: 4-(methylamino)-1-(pyridin-3-yl)butan-1-one = pseudooxynicotine
4-oxo-4-(pyridin-3-yl)butanal = 3-succinoylsemialdehyde-pyridine
Systematic name: 4-(methylamino)-1-(pyridin-3-yl)butan-1-one:oxygen oxidoreductase (methylamine releasing)
Comments: Contains one non-covalently bound FAD molecule per dimer. This enzyme, characterized from the soil bacterium Pseudomonas sp. HZN6, is involved the nicotine degradation.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Qiu, J., Ma, Y., Wen, Y., Chen, L., Wu, L. and Liu, W. Functional identification of two novel genes from Pseudomonas sp. strain HZN6 involved in the catabolism of nicotine. Appl. Environ. Microbiol. 78 (2012) 2154–2160. [DOI] [PMID: 22267672]
[EC 1.4.3.24 created 2012]
 
 


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