MetaCyc Pathway: choline biosynthesis I in Enterobacter asburiae PDN3

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L-serine + H+→ethanolamine + CO2
No genes
Ethanolamine kinase:
ethanolamine + ATP→O-phosphoethanolamine + ADP + H+ (EC 2.7.1.82)
No genes
Phosphoethanolamine N-methyltransferase:
O-phosphoethanolamine + S-adenosyl-L-methionine→N-methylethanolamine phosphate + S-adenosyl-L-homocysteine + H+ (EC 2.1.1.103)
No genes
Phosphoethanolamine N-methyltransferase:
N-methylethanolamine phosphate + S-adenosyl-L-methionine→N-dimethylethanolamine phosphate + S-adenosyl-L-homocysteine + H+ (EC 2.1.1.103)
No genes
Phosphoethanolamine N-methyltransferase:
N-dimethylethanolamine phosphate + S-adenosyl-L-methionine→phosphocholine + S-adenosyl-L-homocysteine + H+ (EC 2.1.1.103)
No genes
Phosphoethanolamine/phosphocholine phosphatase:
phosphocholine + H2O→choline + phosphate (EC 3.1.3.75)
EX28DRAFT_2588

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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