Protein
tRNA-cytidine(32) 2-sulfurtransferase
Organism
Shewanella baltica (strain OS155 / ATCC BAA-1091)
Function
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.
Similarity
Belongs to the TtcA family.
Sequence
MSEELSKKHTNRLNKLQKRLRREVGSAIADYNMIEDGDKIMCCLSGGKDSYAMLDILMNLQQRAPIQFEIIAVNLDQKQPGFPEHVLPAYLEKLNVPYHILEKDTYSIVKDKIPEGKTTCSLCSRLRRGTLYGFAQRIGATKIALGHHRDDIIETLFLNMFFGGKMKAMPPKLLSDDGANVVIRPLAYCREKDLEEYANLKEFPIIPCNLCGSQENLKRAAVKDMLNQWDRQYPGRIETIFTAMQNTAPSQGVDREQFDFVSLTRDPDAPMRGDVAEANLPAFDFLDIANSGRIDLDAAKRIDIVNTYEV