Protein
tRNA-cytidine(32) 2-sulfurtransferase
Organism
Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422)
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
MTQALTPTVSNTAQPDPARLLAPIVRQVGQAIGDYRMIEQGDRVMVCLSGGKDSYTLLDVLLHLQKKAPIDFEVVAVNLDQGQPGFPKDVLPRYLTALGVRHDILTEDTYSVVKEKTPEGKTTCSLCSRLRRGILYQHAREIGATKIALGHHREDILETLFMNMFFGARLKAMPPKLQSDDGTNVVIRPLAYVAEADIIRYAQAREFPVIPCNLCGAQPNLQRKVVGDMLEGWEREHPGRLNNILRSLTRVTPSHLLDRELYDFASLSVTPAQGDTGFDAESFPEREFMAGLSELSLLQ