Virus capping
| Type | Virus | RNA TPase | GTase | N7MTase | 2'OMTase |
|---|---|---|---|---|---|
| Cellular-like | Flaviviridae | none | NS1 | NS5 | NS5 |
| Rhabdovirus-like | Coronaviridae | none | nsp9, nsp12 | nsp14 | nsp16 |
| Rhabdovirus-like | Mononegavirales | none | L protein | L protein | L protein |
| Alphavirus-like | Togaviridae | nsP2 | nsP1 | nsP1 | none (PMID: 25630058) |
| Alphavirus-like | Hepeviridae | ? | ? | ? | ? |
| Alphavirus-like | Tymovirales | RNA replication protein | RNA replication protein | RNA replication protein | ? |
| Alphavirus-like | Bromoviridae | Replicase 1a<TD>Replicase 1a | Replicase 1a | ? |