MetaCyc Pathway: folate transformations I in Sinorhizobium meliloti 1021

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Reactions and Genes Fusidic 0.0001 mg/ml
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a 5,10-methylenetetrahydrofolate + NADPH + H+→a 5-methyltetrahydrofolate + NADP+ (EC 1.5.1.53)
No genes
a 5,10-methylenetetrahydrofolate + NADH + H+→a 5-methyltetrahydrofolate + NAD+ (EC 1.5.1.54)
No genes
Methylenetetrahydrofolate reductase (ferredoxin) (in reverse):
a 5,10-methylenetetrahydrofolate + 2 H+ + 2 a reduced ferredoxin [iron-sulfur] cluster→a 5-methyltetrahydrofolate + 2 an oxidized ferredoxin [iron-sulfur] cluster
(EC 1.5.7.1)
No genes
Methionine synthase:
a 5-methyltetrahydrofolate + L-homocysteine→a tetrahydrofolate + L-methionine
(EC 2.1.1.13)
SMc03112 +0.2
SMc04325 -0.3
SMc04331 -0.1
SMc04342 -0.0
Glycine hydroxymethyltransferase:
a tetrahydrofolate + L-serine→a 5,10-methylenetetrahydrofolate + glycine + H2O
(EC 2.1.2.1)
SMa2135 +0.2
SMc01770 -0.4
Methylenetetrahydrofolate dehydrogenase (NAD(+)):
a 5,10-methylenetetrahydrofolate + NAD+→a 5,10-methenyltetrahydrofolate + NADH
(EC 1.5.1.15)
No genes
5-formyltetrahydrofolate cyclo-ligase:
a (6S)-5-formyltetrahydrofolate + ATP→a 5,10-methenyltetrahydrofolate + ADP + phosphate
(EC 6.3.3.2)
SMc02594 +0.0
SMc03974 +0.3
a 5,10-methylenetetrahydrofolate + ammonium + CO2 + NADH→a tetrahydrofolate + glycine + NAD+ (EC 1.4.1.27)
SMc02487 N.D.
Methylenetetrahydrofolate dehydrogenase (NADP(+)):
a 5,10-methylenetetrahydrofolate + NADP+→a 5,10-methenyltetrahydrofolate + NADPH
(EC 1.5.1.5)
SMc02604 +0.1
SMc03059 N.D.
Methylenetetrahydrofolate reductase (NAD(P)H) (in reverse):
a 5,10-methylenetetrahydrofolate + NAD(P)H + H+→a 5-methyltetrahydrofolate + NAD(P)+
(EC 1.5.1.20)
SMa2143 +0.2
SMc01843 +0.2
SMc04340 -1.2
Methenyltetrahydrofolate cyclohydrolase:
a 5,10-methenyltetrahydrofolate + H2O→an N10-formyltetrahydrofolate + H+
(EC 3.5.4.9)
SMc02604 +0.1
SMc02728 +0.1
SMc03059 N.D.
Formyltetrahydrofolate deformylase:
an N10-formyltetrahydrofolate + H2O→a tetrahydrofolate + formate + H+
(EC 3.5.1.10)
SMa2141 +0.2
SMc03205 N.D.
SMc04154 N.D.
Formate--tetrahydrofolate ligase:
a tetrahydrofolate + ATP + formate→an N10-formyltetrahydrofolate + ADP + phosphate
(EC 6.3.4.3)
SMc02728 +0.1

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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