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thiI | (ThiS-adenylate) sulfurtransferase; Catalyzes the ATP-dependent transfer of a sulfur to tRNA to produce 4-thiouridine in position 8 of tRNAs, which functions as a near-UV photosensor. Also catalyzes the transfer of sulfur to the sulfur carrier protein ThiS, forming ThiS-thiocarboxylate. This is a step in the synthesis of thiazole, in the thiamine biosynthesis pathway. The sulfur is donated as persulfide by IscS. (484 aa) | ||||
Sps_01065 | PFAM: DsrH like protein; TIGRFAM: sulfur relay protein TusB/DsrH. (93 aa) | ||||
ttcA | Putative ATPase of the PP-loop superfamily implicated in cell cycle control; Catalyzes the ATP-dependent 2-thiolation of cytidine in position 32 of tRNA, to form 2-thiocytidine (s(2)C32). The sulfur atoms are provided by the cysteine/cysteine desulfurase (IscS) system. (316 aa) | ||||
Sps_00631 | Putative redox protein, regulator of disulfide bond formation; PFAM: Sulfurtransferase TusA; Belongs to the sulfur carrier protein TusA family. (71 aa) | ||||
tusA | Putative redox protein, regulator of disulfide bond formation; Sulfur carrier protein which probably makes part of a sulfur- relay system; Belongs to the sulfur carrier protein TusA family. (89 aa) |