Table 4 Structural domains present in the proteins of viral capsids ordered according to their host-centric Venn group and time of origin (nd).

d.183.1.1

Major capsid protein gp5

ABV

abe

d.85.1.1

RNA bacteriophage capsid protein

V

b

a.84.1.1

Scaffolding protein gpD of bacteriophage procapsid

V

b

h.1.4.1

Inovirus (filamentous phage) major coat protein

BV

b

b.37.1.1

N-terminal domains of the minor coat protein g3p

BV

b

b.85.2.1

Head decoration protein D (gpD, major capsid protein D)

BV

b

b.121.5.1

Microviridae-like VP

EV

be

b.121.4.8

Tetraviridae-like VP

BEV

be

b.121.2.3

Major capsid protein vp54

V

e

b.121.5.3

Densovirinae-like VP

V

e

b.121.4.9

Birnaviridae-like VP

V

e

a.62.1.1

Hepatitis B viral capsid (hbcag)

V

e

b.121.4.3

Caliciviridae-like VP

V

e

b.121.4.6

Tymoviridae-like VP

V

e

b.121.4.5

Bromoviridae-like VP

V

e

d.254.1.1

Arterivirus nucleocapsid protein

V

e

e.42.1.1

L-A virus major coat protein

EV

e

b.121.5.2

Parvoviridae-like VP

V

e

b.121.7.1

Satellite viruses

V

e

b.121.4.4

Nodaviridae-like VP

V

e

a.190.1.1

Flavivirus capsid protein C

V

e

b.121.4.2

Comoviridae-like VP

EV

e

a.115.1.2

vp6, the major capsid protein of group A rotavirus

V

e

e.28.1.2

Phytoreovirus core

BV

e

a.115.1.3

Phytoreovirus capsid

V

e

b.121.4.1

Picornaviridae-like VP (VP1, VP2, VP3 and VP4)

BEV

e

d.196.1.1

Outer capsid protein sigma 3

V

e

b.121.6.1

Papovaviridae-like VP

V

e

e.48.1.1

Major capsid protein VP5

V

e

b.121.4.7

Tombusviridae-like VP

BEV

e

a.115.1.1

Orbivirus capsid

V

e

e.28.1.1

Orbivirus core

BV

e

a.24.5.1

TMV-like viral coat proteins

EV

e

b.121.2.2

Adenovirus hexon

V

e

d.254.1.2

Coronavirus nucleocapsid protein

V

e

a.73.1.1

Retrovirus capsid protein, N-terminal core domain

EV

e

a.28.3.1

Retrovirus capsid protein C-terminal domain

EV

e