Threonylcarbamoyladenosine tRNA methylthiotransferase (CDKAL1)

Catalyzes the methylthiolation of N6- threonylcarbamoyladenosine (t(6)A), resulting in the formation of two - methylthio-N6-threonylcarbamoyladenosine (ms(2)t(6)A) at position 37 in tRNAs that read codons starting with adenine. .