Reaction catalyzed by tRNA (N6-L-threonylcarbamoyladenosine37-C2)-methylthiotransferase (2.8.4.5)
+
sulfur-(sulfur carrier)
+
2
=
+
+
(sulfur carrier)
+
+
N6-L-threonylcarbamoyladenine37 in tRNA
+
sulfur-(sulfur carrier)
+
2 S-adenosyl-L-methionine
=
2-methylthio-N6-L-threonylcarbamoyladenine37 in tRNA
+
S-adenosyl-L-homocysteine
+
(sulfur carrier)
+
L-methionine
+
5'-deoxyadenosine
