Transferases;
Glycosyltransferases;
Transferring other glycosyl groups
BRITE hierarchy

S-adenosyl-L-methionine:7-aminomethyl-7-deazaguanosine ribosyltransferase (ribosyl isomerizing; L-methionine, adenine releasing)

S-adenosyl-L-methionine + 7-aminomethyl-7-carbaguanosine34 in tRNA = L-methionine + adenine + epoxyqueuosine34 in tRNA [RN:R10220]

R10220
Reaction

S-adenosyl-L-methionine [CPD:C00019];
7-aminomethyl-7-carbaguanosine34 in tRNA

The reaction is a combined transfer and isomerization of the ribose moiety of S-adenosyl-L-methionine to the modified guanosine base in the wobble position in tRNAs specific for Tyr, His, Asp or Asn. It is part of the queuosine biosynthesis pathway.

EC 2.4.99.17 created 2012