MetaCyc Pathway: superpathway of thiamine diphosphate biosynthesis I in Escherichia coli BW25113

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Reactions and Genes LB Aerobic with Ramoplanin 0.000125 mM
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1-deoxy-D-xylulose-5-phosphate synthase:
D-glyceraldehyde 3-phosphate + H+ + pyruvate→1-deoxy-D-xylulose 5-phosphate + CO2 (EC 2.2.1.7)
b0420 (dxs) N.D.
5-amino-1-(5-phospho-β-D-ribosyl)imidazole + S-adenosyl-L-methionine→4-amino-2-methyl-5-(phosphooxymethyl)pyrimidine + carbon monoxide + 5'-deoxyadenosine + formate + L-methionine + 3 H+ (EC 4.1.99.17)
b3994 (thiC) +0.1
L-tyrosine + NADPH + S-adenosyl-L-methionine→2-iminoacetate + 5'-deoxyadenosine + 4-methylphenol + L-methionine + NADP+ + H+ (EC 4.1.99.19)
b3990 (thiH) +0.2
Cysteine desulfurase:
L-cysteine + a [ThiI sulfur-carrier protein]-L-cysteine→a [ThiI sulfur-carrier protein]-S-sulfanyl-L-cysteine + L-alanine (EC 2.8.1.7)
b1680 (sufS) +0.6
b2810 (csdA) -2.2
b2811 (ygdK) -2.5
b2530 (iscS) N.D.
a [ThiS sulfur-carrier protein] + ATP + H+→a carboxy-adenylated-[ThiS sulfur-carrier protein] + diphosphate (EC 2.7.7.73)
b3992 (thiF) -0.0
Phosphomethylpyrimidine kinase:
4-amino-2-methyl-5-(phosphooxymethyl)pyrimidine + ATP→4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine + ADP (EC 2.7.4.7)
b2103 (thiD) -0.3
a carboxy-adenylated-[ThiS sulfur-carrier protein] + a [ThiI sulfur-carrier protein]-S-sulfanyl-L-cysteine + 2 a reduced ferredoxin [iron-sulfur] cluster→a thiocarboxylated-[ThiS sulfur-carrier protein] + AMP + 2 an oxidized ferredoxin [iron-sulfur] cluster + a [ThiI sulfur-carrier protein]-L-cysteine
b0423 (thiI) -1.1
2-iminoacetate + 1-deoxy-D-xylulose 5-phosphate + a thiocarboxylated-[ThiS sulfur-carrier protein]→a [ThiS sulfur-carrier protein] + 2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate + 2 H2O (EC 2.8.1.10)
b3991 (thiG) +0.4
Thiamine-phosphate diphosphorylase:
4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine + 2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate + 2 H+→thiamine phosphate + CO2 + diphosphate (EC 2.5.1.3)
b3993 (thiE) -0.3
Thiamine-phosphate kinase:
thiamine phosphate + ATP→thiamine diphosphate + ADP (EC 2.7.4.16)
b0417 (thiL) 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