MetaCyc Pathway: assimilatory sulfate reduction I in Escherichia coli Nissle 1917

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Sulfate adenylyltransferase:
sulfate + ATP + H+→adenosine 5'-phosphosulfate + diphosphate (EC 2.7.7.4)
ECOLIN_RS15380
ECOLIN_RS15385
Adenylyl-sulfate kinase:
adenosine 5'-phosphosulfate + ATP→3'-phosphoadenylyl-sulfate + ADP + H+ (EC 2.7.1.25)
ECOLIN_RS15375
Phosphoadenylyl-sulfate reductase (thioredoxin) (in reverse):
3'-phosphoadenylyl-sulfate + a reduced thioredoxin→sulfite + adenosine 3',5'-bisphosphate + an oxidized thioredoxin + 2 H+ (EC 1.8.4.8)
ECOLIN_RS15400
Sulfite reductase (NADPH) (in reverse):
sulfite + 3 NADPH + 5 H+→hydrogen sulfide + 3 NADP+ + 3 H2O (EC 1.8.1.2)
ECOLIN_RS15405
ECOLIN_RS15410

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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