|
|
queuine + S-adenosyl-L-methionine <=> pre-queuine_1 + 5''-deoxyadenosine + L-methionine + 2-hydroxycyclopenta-2,4-dien-1-one + H+
|
4.3.99.M4
|
–
|
|
MetaCyc:
RXN-21034
|
|
|
|
queuosine34_in_tRNA + acceptor + H2O <=> epoxyqueuosine34_in_tRNA + reduced_acceptor
|
1.17.99.6
epoxyqueuosine reductase
|
–
|
|
BRENDA:
BR51178
MetaCyc:
RXN-12104
|
|
|
|
guanine34_in_tRNA + pre-queuine_1 <=> 7-aminomethyl-7-deazaguanosine34_in_tRNA + guanine
|
2.4.2.29
tRNA-guanosine34 transglycosylase
|
–
|
|
MetaCyc:
RXN0-1321
|
|
|
|
S-adenosyl-L-methionine + 7-aminomethyl-7-deazaguanosine34_in_tRNA <=> epoxyqueuosine34_in_tRNA + adenine + L-methionine + H+
|
2.4.99.17
S-adenosylmethionine:tRNA ribosyltransferase-isomerase
|
–
|
|
MetaCyc:
RXN0-1342
|
|
|
|
queuosine + H2O <=> queuine + D-ribose
|
3.2.2.M3
|
–
|
|
MetaCyc:
RXN-21033
|
|