MetaCyc Pathway: histamine degradation in Rhizobium sp. OAE497

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Diamine oxidase:
histamine + dioxygen + H2O→imidazole acetaldehyde + ammonium + hydrogen peroxide (EC 1.4.3.22)
No genes
Histamine N-methyltransferase:
histamine + S-adenosyl-L-methionine→Nτ-methylhistamine + S-adenosyl-L-homocysteine + H+ (EC 2.1.1.8)
No genes
Aldehyde dehydrogenase (NAD(+)):
imidazole acetaldehyde + NAD+ + H2O→4-imidazoleacetate + NADH + 2 H+ (EC 1.2.1.3)
ABIE40_RS12025
ABIE40_RS13970
ABIE40_RS18490
ABIE40_RS19960
ABIE40_RS20020
ABIE40_RS21540
ABIE40_RS22160
ABIE40_RS24520
ABIE40_RS25315
ABIE40_RS25730

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information