| Chain | GOid | namespace | contents |
| A | 0008168 | molecular_function | methyltransferase activity |
| A | 0015948 | biological_process | methanogenesis |
| A | 0043834 | molecular_function | trimethylamine methyltransferase activity |
| B | 0008168 | molecular_function | methyltransferase activity |
| B | 0015948 | biological_process | methanogenesis |
| B | 0043834 | molecular_function | trimethylamine methyltransferase activity |
| C | 0008168 | molecular_function | methyltransferase activity |
| C | 0015948 | biological_process | methanogenesis |
| C | 0043834 | molecular_function | trimethylamine methyltransferase activity |
| D | 0008168 | molecular_function | methyltransferase activity |
| D | 0015948 | biological_process | methanogenesis |
| D | 0043834 | molecular_function | trimethylamine methyltransferase activity |
| E | 0008168 | molecular_function | methyltransferase activity |
| E | 0015948 | biological_process | methanogenesis |
| E | 0043834 | molecular_function | trimethylamine methyltransferase activity |
| F | 0008168 | molecular_function | methyltransferase activity |
| F | 0015948 | biological_process | methanogenesis |
| F | 0043834 | molecular_function | trimethylamine methyltransferase activity |