Viral structural protein

A viral structural protein is a viral protein that is a structural component of the mature virus.[1] Examples include the SARS coronavirus 3a and 7a accessory proteins.[2][3]

## Bacteriophage T4 structural proteins

During assembly of the bacteriophage (phage) T4 virion, the structural proteins encoded by the phage genes interact with each other in a characteristic sequence. Maintaining an appropriate balance in the amounts of each of these structural proteins produced during viral infection appears to be critical for normal phage T4 morphogenesis.[4] Phage T4 encoded proteins that determine virion structure include major structural components, minor structural components and non-structural proteins that catalyze specific steps in the morphogenesis sequence.[5] Phage T4 morphogenesis is divided into three independent pathways: the head, the tail and the long tail fibres as detailed by Yap and Rossman.[6]

## See also

* Viral nonstructural protein

## References

1. ↑ Viral+Structural+Proteins at the US National Library of Medicine Medical Subject Headings (MeSH)
2. ↑ "Severe acute respiratory syndrome coronavirus 3a protein is a viral structural protein". J. Virol. 79 (5): 3182–6. March 2005. doi:10.1128/JVI.79.5.3182-3186.2005. PMID 15709039.
3. ↑ "Severe acute respiratory syndrome coronavirus 7a accessory protein is a viral structural protein". J. Virol. 80 (15): 7287–94. August 2006. doi:10.1128/JVI.00414-06. PMID 16840309.
4. ↑ Floor E. Interaction of morphogenetic genes of bacteriophage T4. J Mol Biol. 1970;47(3):293-306. doi:10.1016/0022-2836(70)90303-7
5. ↑ Snustad DP. Dominance interactions in Escherichia coli cells mixedly infected with bacteriophage T4D wild-type and amber mutants and their possible implications as to type of gene-product function: catalytic vs. stoichiometric. Virology. 1968;35(4):550-563. doi:10.1016/0042-6822(68)90285-7
6. ↑ Yap ML, Rossmann MG. Structure and function of bacteriophage T4. Future Microbiol. 2014;9(12):1319-1327. doi:10.2217/fmb.14.91

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