effects on translation in vivo by modification deficiencies for 2-methylthio-n6-isopentenyladenosine ( ms2i6a ) ( escherichia coli ) or 2-methylthio-n6- ( 4-hydroxyisopentenyl ) adenosine ( ms2io6a ) ( salmonella typhimurium ) in trna were studied in mutant strains .
C0022218
isopentenyladenosine
C0001443
adenosine