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Various domains of L protein and their functions.
| Domain | Function |
|---|---|
| RNA-dependent RNA polymerase (RdRp) domain | Transcription/replication and polyadenylation activity |
| Capping domain | Polyribonucleotidyl transferase (PRNTase) activity |
| Connector domain (CD) | Organizational role |
| Methyltransferase domain | MTase activity |
| C-terminal domain | RNA methylation regulation |
