Table 2.
Volume variation within icosahedral families
| Family | Genera | Inner capsid volume CVa | Outer capsid volume CVa |
|---|---|---|---|
| Single-stranded viruses | |||
| Bromoviridae | 2 | 0.4 | 0.16 |
| Caliciviridae | 4 | 0.03 | 0.1 |
| Comoviridae | 2 | 0.11 | 0.02 |
| Leviviridae | 2 | 0.03 | 0.04 |
| Parvoviridae | 3 | 0.11 | 0.48 |
| Picornaviridae | 5 | 0.1 | 0.84 |
| Tetraviridae | 2 | 0.04 | 0.06 |
| Tombusviridae | 3 | 0.19 | 0.2 |
| Avgerage | 2.88 | 0.13 | 0.24 |
| Double-stranded viruses | |||
| Papillomaviridae | 2 | 0.11 | 0.06 |
| Partitiviridae | 2 | 0.06 | 0.01 |
| Podoviridae | 4 | 0.04 | 0.03 |
| Reoviridae | 7 | 0.4 | 0.31 |
| Siphoviridae | 2 | 0.49 | 0.33 |
| Avgerage | 3.4 | 0.22 | 0.15 |
| Overall average | 3.08 | 0.16 | 0.2 |
a CV coefficient of variation, defined as the ratio of the standard deviation σ to the mean μ