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. Author manuscript; available in PMC: 2011 Jan 21.
Published in final edited form as: FEBS Lett. 2010 Jan 21;584(2):278–286. doi: 10.1016/j.febslet.2009.11.075

Table 1.

Enzyme-catalyzed tRNA base modifications discussed in this review

Bacterial Enzymes Eukaryotic Enzymes Archaeal Enzymes
m5U54 (riboT54) E. coli TrmA P. abyssi TrmA
m5U54 (riboT54) T. thermophilus
TrmFO
m5C34, C40, C48, C49 S. cerevisiae Trm4
m6A37 E. coli yfiC
m22G26 A. aeolicus Trm1 P. horikoshii Trm1
m22G10 P. abyssi Trm11
m2G10 S. cerevisiae Trm11–
Trm112
m1G37 E. coli TrmD S. cerevisiae Trm5 M. jannaschii Trm5
m7G46 E. coli TrmB S. cerevisiae Trm8–
Trm82
B. subtilis TrmB
m1A58 E. coli TrmI S. cerevisiae Trm6–
Trm61
M. tuberculosis
TrmI
T. thermophilus
TrmI
m1A57 P. abyssi TrmI

This table summarizes enzymes that are discussed in this review. References for each enzyme are cited within the text. Blanks mean that the enzymes are absent or are not well characterized. Abbreviations: E. coli, Escherichia coli; P. abyssi, Pyrococcus abyssi; T. thermophilus. Thermus thermophilus; S. cerevisiae, Saccharomyces cerevisiae; P. horikoshii, Pyrococcus horikoshii; A. aeolicus, Aquifex aeolicus; M. jannaschii, Methanococcus jannaschii; B. subtilis, Bacillus subtilis; M. tuberculocus, Mycobacterium tuberculosis.