MetaCyc Pathway: homocysteine and cysteine interconversion in Enterobacter asburiae PDN3

Add experiment(s):


Cysteine-S-conjugate beta-lyase:
L-cystathionine + H2O→L-homocysteine + ammonium + pyruvate (EC 4.4.1.13)
EX28DRAFT_1617
EX28DRAFT_3046
Cystathionine beta-synthase:
L-homocysteine + L-serine→L-cystathionine + H2O (EC 4.2.1.22)
EX28DRAFT_1677
Cystathionine gamma-lyase:
L-cystathionine + H2O→L-cysteine + 2-oxobutanoate + ammonium (EC 4.4.1.1)
EX28DRAFT_1678
Cystathionine gamma-synthase:
L-cysteine + O-succinyl-L-homoserine→L-cystathionine + H+ + succinate (EC 2.5.1.48)
EX28DRAFT_4411

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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