Table 1:
Protein | Virus | Function | N-terminal sequence | Ref. |
---|---|---|---|---|
Nef | Lentiviruses (HIV, SIV) | Membrane targeting to downregulate immune cell surface molecules | GGKWSKSSI | 88 |
Gag | Retroviruses, Poxviruses (HIV) | Binds plasma membrane to initiate viral particle assembly | ||
VP4 coat protein | Picornaviridae [rhino-, cardio-, aphtho-, entero- (echo-, coxsackie-, polio-) viruses] | Virion assembly | GAQVSTQKS | 93 |
Large surface antigen | Hepadnaviridae (hepatitis B virus) | Essential for viral infectivity but not assembly | GQNLSTSNP | 94 |
L1R envelope protein | Poxviridae [Chordopoxvirinae (e.g. variola, vaccinia)and Enteropoxvirinae], Asfiviridae, Iridoviridae (lymphocysti-, rana-, iridovirus), Ascoviridae (Ascovirus) | Membrane targeting and virion assembly | GAAASIQTT | 95, 96 |
v-src | Rous sarcoma virus | Membrane binding necessary for oncogenic transformation | GSSKSKPKD | 97, 98 |
A16L late protein | Poxviridae [Chordopoxvirinae (e.g. variola, vaccinia) and Enteropoxvirinae] | Protein associates with viral, not cellular, structures | GAAVTLNRI | 99, 100 |
VP2 coat protein | Polyomaviruses | Viral assembly and infectivity | GAALALLGD | 101, 102 |
G9R | Poxviridae [Chordopoxvirinae (e.g. variola, vaccinia)] | Protein associates with viral, not cellular, structures | GGGVSVELP | 99 |
UL11 | Alphaherpesvirinae (simplex-, varicello-, Marek’s disease-like and infectious laryngotracheitis-like viruses) | Association with lipid rafts | GLSFSGARP | 103, 104 |
UL99, U71, BBLF1 | Betaherpesvirinae (roseolo-, cytomegalo-, muromegalovirus), Gammaherpesvirinae (e.g. lymphocryptovirus), Alphaherpesvirinae | Association with ERGIC necessary for virion assembly | GAELCKRIC GAKCCKPVS GALWSLCRR |
105 |
Major outer capsid protein μ1 | Ortho- and aquareoviruses | Cleavage of μ1 to μ1C | GNASSIVQT | 106 |
E7R | Orthopoxviruses | Soluble protein | GTAATIQTP | 99 |
Polyprotein pp220 | Asfivirus | Potential membrane-anchor regulating core assembly | GNRGSSTSS | 107, 108 |
Membrane fusion protein p15 | Orthoreovirus | Required for membrane fusion activity | GQRHSIVQP | 109, 110 |