MetaCyc Pathway: molybdopterin biosynthesis in Pseudomonas fluorescens FW300-N2E2

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Reactions and Genes Manganese (II) chloride tetrahydrate 0.00078125 M
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ATP + a small subunit of molybdopterin synthase + H+→a carboxy-adenylated [small subunit of molybdopterin synthase] + diphosphate (EC 2.7.7.80)
Pf6N2E2_5223 -0.3
Cysteine desulfurase:
L-cysteine + a [molybdopterin synthase sulfurtransferase]-L-cysteine→a [molybdopterin synthase sulfurtransferase]-S-sulfanyl-L-cysteine + L-alanine (EC 2.8.1.7)
Pf6N2E2_2170 -0.1
Pf6N2E2_3079 -2.2
Pf6N2E2_3189 N.D.
Pf6N2E2_6077 +0.3
GTP + a reduced two electron carrier + S-adenosyl-L-methionine→(8S)-3',8-cyclo-7,8-dihydroguanosine 5'-triphosphate + an oxidized electron carrier + 5'-deoxyadenosine + L-methionine + H+ (EC 4.1.99.22)
No genes
a carboxy-adenylated [small subunit of molybdopterin synthase] + a [molybdopterin synthase sulfurtransferase]-S-sulfanyl-L-cysteine + a reduced two electron carrier→a thiocarboxylated [small subunit of molybdopterin synthase] + AMP + an oxidized electron carrier + a [molybdopterin synthase sulfurtransferase]-L-cysteine + H+ (EC 2.8.1.11)
No genes
(8S)-3',8-cyclo-7,8-dihydroguanosine 5'-triphosphate→cyclic pyranopterin phosphate + diphosphate (EC 4.6.1.17)
Pf6N2E2_5392 -0.3
cyclic pyranopterin phosphate + 2 a thiocarboxylated [small subunit of molybdopterin synthase] + H2O→molybdopterin + 2 a small subunit of molybdopterin synthase + 4 H+ (EC 2.8.1.12)
Pf6N2E2_5393 N.D.
Pf6N2E2_5394 +0.4

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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