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EC 1.14.99.69 Details
EC number
1.14.99.69
Accepted name
tRNA 2-(methylsulfanyl)-N6-isopentenyladenosine37 hydroxylase
Reaction
2-(methylsulfanyl)-N6-prenyladenosine37 in tRNA + reduced acceptor + O2 = N6-[(2E)-4-hydroxy-3-methylbut-2-en-1-yl]-2-(methylsulfanyl)adenosine37 in tRNA + acceptor + H2O
Other name(s)
miaE (gene name), tRNA 2-methylthio-N6-isopentenyl adenosine(37) hydroxylase, tRNA 2-(methylsulfanyl)-N6-dimethylallyladenosine37 hydroxylase
Systematic name
tRNA 2-(methylsulfanyl)-N6-prenyladenosine37,donor:oxygen 4-oxidoreductase (trans-hydroxylating)
Comment
The enzyme, found only within a small subset of facultative anaerobic bacteria, belongs to the nonheme diiron family. The enzyme from Salmonella typhimurium was shown to catalyse a stereoselective (E)-hydroxylation at the terminal C4-position of the prenyl group.
History
created 2020
EC Tree
1.14.99.5 created 1972, modified 1986, modified 2000, deleted 2000
1.14.99.6 created 1972, modified 2000, deleted 2000
1.14.99.8 created 1972, deleted 1984
1.14.99.13 created 1972, deleted 1984
1.14.99.16 created 1972, deleted 2002
1.14.99.17 created 1972, deleted 1976
1.14.99.18 created 1976, modified 1999, deleted 2003
1.14.99.25 created 1986, deleted 2000