Queuine Biosynthesis

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7,8-dihydroneopterin 3'-triphosphate biosynthesis
EC preQ1 synthase
EC epoxyqueuosine reductase
EC queuine tRNA-ribosyltransferase
EC tRNA-guanosine34 queuine transglycosylase
EC S-adenosylmethionine:tRNA ribosyltransferase-isomerase (mechanism)
EC 6-carboxytetrahydropterin synthase
EC 7-carboxy-7-deazaguanine synthase
EC 7-cyano-7-deazaguanine synthase