Viral chemical composition and function-protein
Structural protein
Encoded by the viral genome, the protein components that make up the virion, such as the capsid protein, matrix protein and envelope protein of the virion
2. Non-structural proteins
It is encoded by the genome of the virus, but does not participate in the protein composition of the virion. It can be present in the body of viruses, such as viral enzymes, or in infected cells.
3. Viral structural proteins have the following functions
â‘ Protect the viral nucleic acid and avoid the destruction of the viral nucleic acid by nucleases and other physical and chemical factors in the environment; â‘¡Participate in the virus infection process, the protein protrusions on the capsid protein and the envelope can be adsorbed to the susceptible cell receptors, causing infection; â‘¢ It has antigenicity. The capsid protein and envelope protein encoded by viral genes have good antigenicity and can stimulate the body to produce an immune response.
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