MetaCyc Pathway: tRNA-uridine 2-thiolation (yeast mitochondria) in Pseudomonas syringae pv. syringae B728a ΔmexB

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Cysteine desulfurase:
L-cysteine + an [L-cysteine desulfurase]-L-cysteine→an [L-cysteine desulfurase]-S-sulfanyl-L-cysteine + L-alanine (EC 2.8.1.7)
Psyr_0134
Psyr_1237
Psyr_1335
Psyr_3220
a uridine34 in tRNA + an oxidized electron carrier + glycine + GTP + a 5,10-methylenetetrahydrofolate + H2O→a 5-carboxymethylaminomethyluridine34 in tRNA + a 7,8-dihydrofolate + a reduced two electron carrier + GDP + H+ + phosphate
No genes
an [L-cysteine desulfurase]-S-sulfanyl-L-cysteine + a [3-mercaptopyruvate sulfurtransferase]-L-cysteine→a [3-mercaptopyruvate sulfurtransferase]-S-sulfanyl-L-cysteine + an [L-cysteine desulfurase]-L-cysteine
No genes
a [3-mercaptopyruvate sulfurtransferase]-S-sulfanyl-L-cysteine + a 5-carboxymethylaminomethyluridine34 in tRNA + ATP + a reduced two electron carrier→a 5-carboxymethylaminomethyl-2-thiouridine34 in tRNA + AMP + an oxidized electron carrier + diphosphate + H+ + a [3-mercaptopyruvate sulfurtransferase]-L-cysteine
No genes

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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