MetaCyc Pathway: superpathway of L-methionine biosynthesis (by sulfhydrylation) in Klebsiella michiganensis M5al

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Reactions and Genes L-Leucine (N)
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Aspartate transaminase (in reverse):
oxaloacetate + L-glutamate→L-aspartate + 2-oxoglutarate (EC 2.6.1.1)
BWI76_RS03690 +0.3
BWI76_RS06660 -0.0
BWI76_RS06750 +0.2
BWI76_RS07560 +0.1
BWI76_RS07570 -0.2
BWI76_RS08675 +0.0
BWI76_RS09870 -0.4
BWI76_RS10245 -0.4
BWI76_RS12985 +0.4
BWI76_RS13400 +0.5
BWI76_RS20205 -1.6
BWI76_RS22035 +0.0
BWI76_RS24235 -1.7
Sulfate adenylyltransferase:
sulfate + ATP + H+→adenosine 5'-phosphosulfate + diphosphate (EC 2.7.7.4)
BWI76_RS22695 -0.2
BWI76_RS22700 -0.0
Adenylyl-sulfate kinase:
adenosine 5'-phosphosulfate + ATP→3'-phosphoadenylyl-sulfate + ADP + H+ (EC 2.7.1.25)
BWI76_RS22690 -1.5
Aspartate kinase:
L-aspartate + ATP→L-aspartyl-4-phosphate + ADP (EC 2.7.2.4)
BWI76_RS00790 -0.3
BWI76_RS01790 +0.1
BWI76_RS04245 -0.1
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)
BWI76_RS22755 -1.3
Aspartate-semialdehyde dehydrogenase (in reverse):
L-aspartyl-4-phosphate + NADPH + H+→L-aspartate 4-semialdehyde + NADP+ + phosphate (EC 1.2.1.11)
BWI76_RS12880 -0.2
BWI76_RS20385 +0.0
BWI76_RS26220 N.D.
Homoserine dehydrogenase (in reverse):
L-aspartate 4-semialdehyde + NAD(P)H + H+→L-homoserine + NAD(P)+ (EC 1.1.1.3)
BWI76_RS00790 -0.3
BWI76_RS04245 -0.1
Sulfite reductase (NADPH) (in reverse):
sulfite + 3 NADPH + 5 H+→hydrogen sulfide + 3 NADP+ + 3 H2O (EC 1.8.1.2)
BWI76_RS22760 -0.9
BWI76_RS22765 -0.8
Homoserine O-acetyltransferase:
L-homoserine + acetyl-CoA→O-acetyl-L-homoserine + coenzyme A (EC 2.3.1.31)
No genes
O-acetylhomoserine aminocarboxypropyltransferase:
O-acetyl-L-homoserine + hydrogen sulfide→L-homocysteine + acetate + H+ (EC 2.5.1.49)
No genes
5-methyltetrahydropteroyltriglutamate--homocysteine S-methyltransferase:
L-homocysteine + 5-methyltetrahydropteroyl tri-L-glutamate→L-methionine + tetrahydropteroyl tri-L-glutamate (EC 2.1.1.14)
BWI76_RS01280 -0.0
BWI76_RS15390 -0.4
Methionine synthase:
L-homocysteine + a 5-methyltetrahydrofolate→L-methionine + a tetrahydrofolate (EC 2.1.1.13)
BWI76_RS01685 +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