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  2. Capsid - Wikipedia

    en.wikipedia.org/wiki/Capsid

    Icosahedral capsid of an adenovirus Virus capsid T-numbers. The icosahedral structure is extremely common among viruses. The icosahedron consists of 20 triangular faces delimited by 12 fivefold vertexes and consists of 60 asymmetric units. Thus, an icosahedral virus is made of 60N protein subunits.

  3. Viral envelope - Wikipedia

    en.wikipedia.org/wiki/Viral_envelope

    The virus wraps its delicate nucleic acid with a protein shell known as the capsid, from the Latin capsa, meaning "box," in order to shield it from this hostile environment. Similar to how numerous bricks come together to form a wall, the capsid is made up of one or more distinct protein types that repeatedly repeat to form the whole capsid.

  4. Jelly roll fold - Wikipedia

    en.wikipedia.org/wiki/Jelly_roll_fold

    The full assembled capsid structure of the satellite tobacco mosaic virus, with the monomer shown above at the bottom of the highlighted pentamer. The remainder of the protein chains are shown in purple and the RNA in the interior of the capsid is shown in brown. The axis of the jelly roll in this single jelly roll capsid is parallel to the ...

  5. Virus - Wikipedia

    en.wikipedia.org/wiki/Virus

    The capsid and entire virus structure can be mechanically (physically) probed through atomic force microscopy. [43] [44] In general, there are five main morphological virus types: Helical These viruses are composed of a single type of capsomere stacked around a central axis to form a helical structure, which may have a central cavity, or tube ...

  6. Introduction to viruses - Wikipedia

    en.wikipedia.org/wiki/Introduction_to_viruses

    Simplified diagram of the structure of a virus. A virus particle, also called a virion, consists of genes made from DNA or RNA which are surrounded by a protective coat of protein called a capsid. [23] The capsid is made of many smaller, identical protein molecules called capsomers.

  7. Virion - Wikipedia

    en.wikipedia.org/wiki/Virion

    Upon entering the cell, the virion disassembles and the genetic material from the virus takes control of the cell infrastructure, thus enabling the virus to replicate. [1] The genetic material ( core , either DNA or RNA , along with occasionally present virus core protein ) inside the virion is usually enclosed in a protection shell, known as ...

  8. Parvoviridae - Wikipedia

    en.wikipedia.org/wiki/Parvoviridae

    Schematic diagram of a Parvoviridae virion A diagram of the canine parvovirus's capsid, containing 60 monomers of the capsid protein. Parvovirus virions are 23–28 nanometers (nm) in diameter and consist of the genome enclosed inside a capsid that is icosahedral in shape with a rugged surface. The capsid is composed of 60 structurally ...

  9. Capsomere - Wikipedia

    en.wikipedia.org/wiki/Capsomere

    The capsomere is a subunit of the capsid, an outer covering of protein that protects the genetic material of a virus. Capsomeres self-assemble to form the capsid. [1] In this diagram of an Adenovirus, the capsid molecules are clearly visible. Subunits called protomers aggregate to form capsomeres. Various arrangements of capsomeres are: 1 ...