| 英文名 |
S-adenosylmethionine:tRNA ribosyltransferase-isomerase |
| Example Structure |
 |
| 别名 |
QueA, QueA enzyme, queuosine biosynthesis protein, queuosine biosynthesis protein QueA, S-adenosylmethionine:tRNA ribosyltransferase-isomerase, TM0574 |
| EC Number |
2.4.99.17 |
| CAS编号 |
|
| Comments |
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. |
| Cofactor |
|
| History |
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| Reactions |
S-adenosyl-L-methionine + 7-aminomethyl-7-carbaguanosine(34) in tRNA = L-methionine + adenine + epoxyqueuosine(34) in tRNA. |
