2.1.1.268 additional information Trm140 interacts with Ses1, a cytoplasmic serine-tRNA ligase (EC 6.1.1.11). Ses1 stimulates m3C formation of tRNASer species 2.1.1.268 S-adenosyl-L-methionine + cytosine32 in tRNA1Ser tRNASer1 = tRNASer(UGA). Because position 32 of tRNA has an important role in accurate codon recognition, N3-methylcytosine32 formation in tRNAThr1 or tRNASer1 might play a role in modulating codon recognition and translational efficiency 2.1.1.268 S-adenosyl-L-methionine + cytosine32 in tRNA1Thr tRNAThr1 = tRNAThr(IGU). Because position 32 of tRNA has an important role in accurate codon recognition, N3-methylcytosine32 formation in tRNAThr1 or tRNASer1 might play a role in modulating codon recognition and translational efficiency 2.1.1.268 S-adenosyl-L-methionine + cytosine32 in tRNASer - 2.1.1.268 S-adenosyl-L-methionine + cytosine32 in tRNAThr -