MetaCyc Pathway: L-cysteine biosynthesis I in Synechococcus elongatus PCC 7942

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Serine O-acetyltransferase:
L-serine + acetyl-CoA→O-acetyl-L-serine + coenzyme A (EC 2.3.1.30)
Synpcc7942_2420 (cysE)
Synpcc7942_B2663 (srpH)
Cysteine synthase:
O-acetyl-L-serine + hydrogen sulfide→L-cysteine + acetate + H+ (EC 2.5.1.47)
Synpcc7942_0171 (cysM)
Synpcc7942_1466 (cysM)
Synpcc7942_B2623 (srpD)
Synpcc7942_B2664 (srpG)

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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