MetaCyc Pathway: glycine betaine degradation I in Klebsiella michiganensis M5al

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Reactions and Genes D-Serine (N)
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Betaine--homocysteine S-methyltransferase:
glycine betaine + L-homocysteine→N,N-dimethylglycine + L-methionine (EC 2.1.1.5)
No genes
Dimethylglycine oxidase:
N,N-dimethylglycine + dioxygen + a tetrahydrofolate→sarcosine + hydrogen peroxide + a 5,10-methylenetetrahydrofolate (EC 1.5.3.10)
No genes
sarcosine + dioxygen + a tetrahydrofolate→glycine + hydrogen peroxide + a 5,10-methylenetetrahydrofolate (EC 1.5.3.24)
No genes
Sarcosine oxidase:
sarcosine + dioxygen + H2O→glycine + formaldehyde + hydrogen peroxide (EC 1.5.3.1)
No genes
Glycine hydroxymethyltransferase (in reverse):
glycine + a 5,10-methylenetetrahydrofolate + H2O→L-serine + a tetrahydrofolate (EC 2.1.2.1)
BWI76_RS21225 N.D.
L-serine ammonia-lyase:
L-serine→2-aminoprop-2-enoate + H2O (EC 4.3.1.17)
BWI76_RS14470 +0.3
BWI76_RS17875 -0.0
BWI76_RS22880 +0.3
Tryptophanase:
2-aminoprop-2-enoate→2-iminopropanoate (spontaneous) (EC 4.1.99.1; 4.1.99.2; 4.3.1.13; 4.3.1.17; 4.3.1.18; 4.3.3.8; 4.4.1.1; 4.4.1.13; 4.4.1.15; 4.4.1.25; 4.4.1.28; 4.4.1.35; 4.5.1.2)
BWI76_RS03535 -0.1
BWI76_RS14470 +0.3
BWI76_RS16730 -0.2
BWI76_RS17875 -0.0
BWI76_RS18360 +0.0
BWI76_RS22880 +0.3
BWI76_RS24210 -0.0
BWI76_RS27860 -4.6
2-iminopropanoate + H2O→pyruvate + ammonium (spontaneous) (EC 3.5.99.10; 4.1.99.1; 4.1.99.2; 4.3.1.13; 4.3.1.17; 4.3.1.18; 4.3.3.8; 4.4.1.1; 4.4.1.13; 4.4.1.15; 4.4.1.25; 4.4.1.28; 4.4.1.35; 4.5.1.2)
BWI76_RS02985 -2.0
BWI76_RS03535 -0.1
BWI76_RS14470 +0.3
BWI76_RS16730 -0.2
BWI76_RS17875 -0.0
BWI76_RS18360 +0.0
BWI76_RS22880 +0.3
BWI76_RS24210 -0.0
BWI76_RS27860 -4.6

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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