Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g55130	Plays a central role in 2-thiolation of mcm(5)S(2)U at tRNA wobble positions of cytosolic tRNA(Lys), tRNA(Glu) and tRNA(Gln).	No verified direct reference in this release
Rice	Os02g0804600	Plays a central role in 2-thiolation of mcm(5)S(2)U at tRNA wobble positions of cytosolic tRNA(Lys), tRNA(Glu) and tRNA(Gln).	No verified direct reference in this release