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  2. Capsid - Wikipedia

    en.wikipedia.org/wiki/Capsid

    The capsid faces may consist of one or more proteins. For example, the foot-and-mouth disease virus capsid has faces consisting of three proteins named VP1–3. [6] Some viruses are enveloped, meaning that the capsid is coated with a lipid membrane known as the viral envelope.

  3. Duplodnaviria - Wikipedia

    en.wikipedia.org/wiki/Duplodnaviria

    Duplodnaviria is a realm of viruses that includes all double-stranded DNA viruses that encode the HK97 fold major capsid protein. The HK97 fold major capsid protein (HK97 MCP) is the primary component of the viral capsid, which stores the viral deoxyribonucleic acid (DNA).

  4. Human papillomavirus infection - Wikipedia

    en.wikipedia.org/wiki/Human_papillomavirus_infection

    Genome organization of human papillomavirus type 16, one of the subtypes known to cause cervical cancer (E1-E7 early genes, L1-L2 late genes: capsid) In some infected individuals, their immune systems may fail to control HPV. Lingering infection with high-risk HPV types, such as types 16, 18, 31, and 45, can favor the development of cancer. [42]

  5. Late protein - Wikipedia

    en.wikipedia.org/wiki/Late_protein

    In Human papillomavirus (HPV), two late proteins are involved in capsid formation: a major (L1) and a minor (L2) protein, in the approximate proportion 95:5%. L1 forms a pentameric assembly unit of the viral shell in a manner that closely resembles VP1 from polyomaviruses. Intermolecular disulphide bonding holds the L1 capsid proteins together. [3]

  6. Viral envelope - Wikipedia

    en.wikipedia.org/wiki/Viral_envelope

    The capsid, having a focused role of protecting the genome in addition to immune recognition evasion. [13] The viral capsid is known for its protection of RNA before it is inserted into the host cell, unlike the viral envelope which protects the protein capsid.

  7. Negative-strand RNA virus - Wikipedia

    en.wikipedia.org/wiki/Negative-strand_RNA_virus

    Negative-strand RNA viruses contain a ribonucleoprotein complex composed of the genome and an RdRp attached to each segment of the genome surrounded by a capsid. [15] The capsid is composed of proteins whose folded structure contains five alpha-helices in the N-terminal lobe (5-H motif) and three alpha-helices in the C-terminal lobe (3

  8. Varidnaviria - Wikipedia

    en.wikipedia.org/wiki/Varidnaviria

    Varidnaviria is a realm of viruses that includes all DNA viruses that encode major capsid proteins that contain a vertical jelly roll fold.The major capsid proteins (MCP) form into pseudohexameric subunits of the viral capsid, which stores the viral deoxyribonucleic acid (DNA), and are perpendicular, or vertical, to the surface of the capsid.

  9. Hepatitis B virus - Wikipedia

    en.wikipedia.org/wiki/Hepatitis_B_virus

    Capsid formation is the main factor for infection of the cell. [18] HBcAg contributes to HBV clearance in vivo, but it is unknown whether HBcAg has to be in the capsid form to contribute to viral clearance. [19] Hepatitis B virus DNA polymerase is incorporated into the nucleocapsid along with the pre-genomic RNA (pgRNA). Inside the capsid, the ...