7-aminomethyl-7-carbaguanine + guanosine(34) in tRNA = 7-aminomethyl-7-carbaguanosine(34) in tRNA + guanine
7-aminomethyl-7-carbaguanine + guanosine(34) in trna = 7-aminomethyl-7-carbaguanosine(34) in trna + guanine
"tRNA-guanosine(34) preQ1 transglycosylase"
"trna-guanosine(34) preq1 transglycosylase"