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moeB | Molybdopterin biosynthesis protein. (367 aa) | ||||
R7Q1I8_CHOCR | Ubiquitin-activating enzyme E1. (446 aa) | ||||
R7Q3Y9_CHOCR | ThiF domain-containing protein. (410 aa) | ||||
R7Q8N4_CHOCR | ThiF domain-containing protein. (321 aa) | ||||
R7QSD0_CHOCR | E1 enzyme family. (294 aa) | ||||
R7QU81_CHOCR | Adenylyltransferase and sulfurtransferase MOCS3 homolog; Plays a central role in 2-thiolation of mcm(5)S(2)U at tRNA wobble positions of cytosolic tRNA(Lys), tRNA(Glu) and tRNA(Gln). Acts by mediating the C-terminal thiocarboxylation of the sulfur carrier URM1. Its N-terminus first activates URM1 as acyl-adenylate (-COAMP), then the persulfide sulfur on the catalytic cysteine is transferred to URM1 to form thiocarboxylation (-COSH) of its C-terminus. The reaction probably involves hydrogen sulfide that is generated from the persulfide intermediate and that acts as nucleophile towards U [...] (474 aa) |