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  2. Viral protein - Wikipedia

    en.wikipedia.org/wiki/Viral_protein

    The term viral protein refers to both the products of the genome of a virus and any host proteins incorporated into the viral particle. Viral proteins are grouped according to their functions, and groups of viral proteins include structural proteins , nonstructural proteins , regulatory proteins , and accessory proteins. [ 1 ]

  3. Capsid - Wikipedia

    en.wikipedia.org/wiki/Capsid

    The proteins making up the capsid are called capsid proteins or viral coat proteins (VCP). The virus genomic component inside the capsid, along with occasionally present virus core protein, is called the virus core. The capsid and core together are referred to as a nucleocapsid (cf. also virion).

  4. Virus - Wikipedia

    en.wikipedia.org/wiki/Virus

    Proteins associated with nucleic acid are known as nucleoproteins, and the association of viral capsid proteins with viral nucleic acid is called a nucleocapsid. The capsid and entire virus structure can be mechanically (physically) probed through atomic force microscopy .

  5. Introduction to viruses - Wikipedia

    en.wikipedia.org/wiki/Introduction_to_viruses

    A short time later, this virus was shown to be made from protein and RNA. [8] Rosalind Franklin developed X-ray crystallographic pictures and determined the full structure of TMV in 1955. [9] Franklin confirmed that viral proteins formed a spiral hollow tube, wrapped by RNA, and also showed that viral RNA was a single strand, not a double helix ...

  6. Spike protein - Wikipedia

    en.wikipedia.org/wiki/Spike_protein

    Spike proteins are membrane proteins with typically large external ectodomains, a single transmembrane domain that anchors the protein in the viral envelope, and a short tail in the interior of the virion. They may also form proteinprotein interactions with other viral proteins, such as those forming the nucleocapsid.

  7. Viral nonstructural protein - Wikipedia

    en.wikipedia.org/wiki/Viral_nonstructural_protein

    In virology, a nonstructural protein is a protein encoded by a virus but that is not part of the viral particle. [1] They typically include the various enzymes and transcription factors the virus uses to replicate itself, such as a viral protease (3CL/nsp5, etc.), an RNA replicase or other template-directed polymerases, and some means to control the host.

  8. Viral envelope - Wikipedia

    en.wikipedia.org/wiki/Viral_envelope

    A viral envelope is the outermost layer of many types of viruses. [1] It protects the genetic material in their life cycle when traveling between host cells. Not all viruses have envelopes. A viral envelope protein or E protein is a protein in the envelope, which may be acquired by the capsid from an infected host cell.

  9. Group-specific antigen - Wikipedia

    en.wikipedia.org/wiki/Group-specific_antigen

    The p24 capsid protein (CA) is a 24 kDa protein fused to the C-terminus of MA in the unprocessed HIV Gag polyprotein. After viral maturation, CA forms the viral capsid. CA has two generally recognized domains, the C-terminal domain (CTD) and the N-terminal domain (NTD). The CA CTD and NTD have distinct roles during HIV budding and capsid structure.