MetaCyc Pathway: adenosylcobalamin biosynthesis II (aerobic) in Klebsiella michiganensis M5al

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Reactions and Genes nitrate (N)
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Glutamate--tRNA ligase:
L-glutamate + ATP + a tRNAglu→an L-glutamyl-[tRNAGlu] + AMP + diphosphate
(EC 6.1.1.17)
BWI76_RS20570 N.D.
Riboflavin kinase:
riboflavin + ATP→FMN + ADP + H+
(EC 2.7.1.26)
BWI76_RS04335 N.D.
L-threonine + ATP→L-threonine 3-O-phosphate + ADP + H+ (EC 2.7.1.177)
BWI76_RS23205 -0.2
Threonine-phosphate decarboxylase:
L-threonine 3-O-phosphate + H+→(R)-1-amino-2-propanol O-2-phosphate + CO2
(EC 4.1.1.81)
BWI76_RS23210 -0.5
FMN + NAD(P)H + 2 H+→FMNH2 + NAD(P)+ (EC 1.5.1.39)
BWI76_RS01350 -0.2
BWI76_RS09905 +0.0
Glutamyl-tRNA reductase (in reverse):
an L-glutamyl-[tRNAGlu] + NADPH + H+→(S)-4-amino-5-oxopentanoate + a tRNAglu + NADP+
(EC 1.2.1.70)
BWI76_RS17440 N.D.
Glutamate-1-semialdehyde 2,1-aminomutase:
(S)-4-amino-5-oxopentanoate→5-aminolevulinate
(EC 5.4.3.8)
BWI76_RS05145 N.D.
FMNH2 + dioxygen→5,6-dimethylbenzimidazole + dialurate + D-erythrose 4-phosphate (EC 1.13.11.79)
No genes
Nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase:
5,6-dimethylbenzimidazole + β-nicotinate D-ribonucleotide→α-ribazole 5'-phosphate + nicotinate + H+
(EC 2.4.2.21)
BWI76_RS23000 -0.1
Porphobilinogen synthase:
2 5-aminolevulinate→porphobilinogen + H+ + 2 H2O
(EC 4.2.1.24)
BWI76_RS06090 N.D.
Hydroxymethylbilane synthase:
4 porphobilinogen + H2O→preuroporphyrinogen + 4 ammonium
(EC 2.5.1.61)
BWI76_RS01180 N.D.
Uroporphyrinogen-III synthase:
preuroporphyrinogen→uroporphyrinogen-III + H2O
(EC 4.2.1.75)
BWI76_RS01175 N.D.
Uroporphyrinogen-III C-methyltransferase:
uroporphyrinogen-III + S-adenosyl-L-methionine→precorrin-1 + S-adenosyl-L-homocysteine + H+
(EC 2.1.1.107)
BWI76_RS11435 -0.7
BWI76_RS22705 -1.2
BWI76_RS26055 -5.9
Uroporphyrinogen-III C-methyltransferase:
precorrin-1 + S-adenosyl-L-methionine→precorrin-2 + S-adenosyl-L-homocysteine
(EC 2.1.1.107)
BWI76_RS11435 -0.7
BWI76_RS22705 -1.2
BWI76_RS26055 -5.9
Precorrin-2 C(20)-methyltransferase:
precorrin-2 + S-adenosyl-L-methionine→precorrin-3A + S-adenosyl-L-homocysteine + H+
(EC 2.1.1.130)
BWI76_RS23035 -0.5
Precorrin-3B synthase:
precorrin-3A + NADH + dioxygen + H+→precorrin-3B + NAD+ + H2O
(EC 1.14.13.83)
No genes
Precorrin-3B C(17)-methyltransferase:
precorrin-3B + S-adenosyl-L-methionine→precorrin-4 + S-adenosyl-L-homocysteine + 2 H+
(EC 2.1.1.131)
BWI76_RS23050 +1.0
Precorrin-4 C(11)-methyltransferase:
precorrin-4 + S-adenosyl-L-methionine→precorrin-5 + S-adenosyl-L-homocysteine + H+
(EC 2.1.1.133)
BWI76_RS23060 -0.4
Precorrin-6A synthase (deacetylating):
precorrin-5 + S-adenosyl-L-methionine + H2O→precorrin-6A + acetate + S-adenosyl-L-homocysteine + 2 H+
(EC 2.1.1.152)
No genes
Precorrin-6A reductase (in reverse):
precorrin-6A + NADPH + H+→precorrin-6B + NADP+
(EC 1.3.1.54)
BWI76_RS23045 +0.6
Precorrin-6Y C(5,15)-methyltransferase (decarboxylating):
precorrin-6B + H+ + S-adenosyl-L-methionine→precorrin-7 + S-adenosyl-L-homocysteine + CO2
(EC 2.1.1.132)
BWI76_RS23065 +0.7
BWI76_RS23070 -3.8
Precorrin-6Y C(5,15)-methyltransferase (decarboxylating):
precorrin-7 + S-adenosyl-L-methionine→precorrin-8x + S-adenosyl-L-homocysteine + 2 H+
(EC 2.1.1.132)
BWI76_RS23065 +0.7
BWI76_RS23070 -3.8
precorrin-8x + H+→hydrogenobyrinate (EC 5.4.99.61)
BWI76_RS23080 +0.8
Hydrogenobyrinic acid a,c-diamide synthase (glutamine-hydrolyzing):
hydrogenobyrinate + 2 ATP + 2 L-glutamine + 2 H2O→hydrogenobyrinate a,c-diamide + 2 L-glutamate + 2 ADP + 2 H+ + 2 phosphate
(EC 6.3.5.9)
BWI76_RS23090 +0.9
Cobaltochelatase:
hydrogenobyrinate a,c-diamide + ATP + Co2+ + H2O→cob(II)yrinate a,c-diamide + ADP + 3 H+ + phosphate
(EC 6.6.1.2)
No genes
Cob(I)yrinic acid a,c-diamide adenosyltransferase:
cob(II)yrinate a,c-diamide + a [corrinoid adenosyltransferase]→cob(II)yrinate a,c-diamide-[corrinoid adenosyltranferase]
(EC 2.5.1.17)
BWI76_RS08445 -0.0
BWI76_RS11900 -0.9
BWI76_RS20810 +0.4
BWI76_RS23165 +0.4
Cob(I)yrinic acid a,c-diamide adenosyltransferase:
2 cob(II)yrinate a,c-diamide-[corrinoid adenosyltranferase] + a [reduced flavoprotein]→2 cob(I)yrinate a,c-diamide-[corrinoid adenosyltranferase] + an [oxidized flavoprotein] + 2 H+
(spontaneous) (EC 2.5.1.17)
BWI76_RS08445 -0.0
BWI76_RS11900 -0.9
BWI76_RS20810 +0.4
BWI76_RS23165 +0.4
Cob(I)yrinic acid a,c-diamide adenosyltransferase:
2 cob(I)yrinate a,c-diamide-[corrinoid adenosyltranferase] + 2 ATP + 2 H+→2 adenosyl-cob(III)yrinate a,c-diamide + 2 a [corrinoid adenosyltransferase] + 2 triphosphate
(EC 2.5.1.17)
BWI76_RS08445 -0.0
BWI76_RS11900 -0.9
BWI76_RS20810 +0.4
BWI76_RS23165 +0.4
Adenosylcobyric acid synthase (glutamine-hydrolyzing):
adenosyl-cob(III)yrinate a,c-diamide + 4 ATP + 4 L-glutamine + 4 H2O→adenosylcobyrate + 4 L-glutamate + 4 ADP + 4 H+ + 4 phosphate
(EC 6.3.5.10)
BWI76_RS23010 -0.4
Adenosylcobinamide-phosphate synthase:
adenosylcobyrate + (R)-1-amino-2-propanol O-2-phosphate + ATP→adenosyl-cobinamide phosphate + ADP + H+ + phosphate
(EC 6.3.1.10)
BWI76_RS23085 -0.3
Adenosylcobinamide-phosphate guanylyltransferase:
adenosyl-cobinamide phosphate + GTP + H+→adenosylcobinamide-GDP + diphosphate
(EC 2.7.7.62)
BWI76_RS18755 -0.9
BWI76_RS23005 -0.1
Adenosylcobinamide-GDP ribazoletransferase:
adenosylcobinamide-GDP + α-ribazole 5'-phosphate→adenosylcobalamin 5'-phosphate + GMP + H+
(EC 2.7.8.26)
BWI76_RS18750 N.D.
Alpha-ribazole phosphatase:
adenosylcobalamin 5'-phosphate + H2O→adenosylcobalamin + phosphate
(EC 3.1.3.73)
BWI76_RS08055 N.D.

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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