TABLE 7.2.
Proteinases encoded by plant viruses
| Virus group | Viral proteinase |
|---|---|
| Caulimoviridae | Aspartate |
| Potyviridae | |
| Potyvirus | Serine, cysteine, serine-likea |
| Bymovirus | Cysteine, serine-like |
| Comoviridae | Serine-like |
| Sequiviridae | Serine-like |
| Benyvirus | Cysteine?b |
| Marafivirus | Cysteine |
| Tymovirus | Cysteine |
| Closterovirus | Cysteine, aspartate |
| Polerovirus | Serine |
a
Serine-like proteinase with cysteine at its active site but with a structure similar to a serine proteinase.
b
? indicates doubt as to the type of proteinase.