| Chain | GOid | namespace | contents |
| A | 0000049 | molecular_function | tRNA binding |
| A | 0001510 | biological_process | RNA methylation |
| A | 0003723 | molecular_function | RNA binding |
| A | 0006396 | biological_process | RNA processing |
| A | 0006400 | biological_process | tRNA modification |
| A | 0008168 | molecular_function | methyltransferase activity |
| A | 0008173 | molecular_function | RNA methyltransferase activity |
| A | 0008757 | molecular_function | S-adenosylmethionine-dependent methyltransferase activity |
| A | 0016428 | molecular_function | tRNA (cytidine-5-)-methyltransferase activity |
| A | 0016740 | molecular_function | transferase activity |
| A | 0032259 | biological_process | methylation |
| B | 0000049 | molecular_function | tRNA binding |
| B | 0001510 | biological_process | RNA methylation |
| B | 0003723 | molecular_function | RNA binding |
| B | 0006396 | biological_process | RNA processing |
| B | 0006400 | biological_process | tRNA modification |
| B | 0008168 | molecular_function | methyltransferase activity |
| B | 0008173 | molecular_function | RNA methyltransferase activity |
| B | 0008757 | molecular_function | S-adenosylmethionine-dependent methyltransferase activity |
| B | 0016428 | molecular_function | tRNA (cytidine-5-)-methyltransferase activity |
| B | 0016740 | molecular_function | transferase activity |
| B | 0032259 | biological_process | methylation |