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Descriptor English: Capsid
Descriptor Spanish: Cápside
Descriptor Portuguese: Capsídeo
Descriptor French: Capside
Entry term(s): Capsids
Procapsid
Procapsids
Prohead
Proheads
Tree number(s): A21.249.500.250
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D002213
Scope note: The outer protein protective shell of a virus, which protects the viral nucleic acid. Capsids are composed of repeating units (capsomers or capsomeres) of CAPSID PROTEINS which when assembled together form either an icosahedral or helical shape.
Annotation: CAPSID PROTEINS is also available
Allowable Qualifiers: CH chemistry
CL classification
DE drug effects
EN enzymology
IM immunology
ME metabolism
MI microbiology
PA pathology
PH physiology
PS parasitology
RE radiation effects
TR transplantation
UL ultrastructure
VI virology
Previous Indexing: Viral Proteins (1968-1974)
Public MeSH Note: 84; was see under VIRAL PROTEINS 1975-83
History Note: 84(75); was see under VIRAL PROTEINS 1975-83
DeCS ID: 28263
Unique ID: D002213
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1984/01/01
Date of Entry: 1974/11/11
Revision Date: 2020/06/22
Capsid - Preferred
Concept UI M0003315
Scope note The outer protein protective shell of a virus, which protects the viral nucleic acid. Capsids are composed of repeating units (capsomers or capsomeres) of CAPSID PROTEINS which when assembled together form either an icosahedral or helical shape.
Preferred term Capsid
Entry term(s) Capsids
Procapsid - Related but not broader or narrower
Concept UI M000733445
Scope note A stable intermediate structure, occurring in some viruses which load their VIRAL GENOME into this empty viral shell after it is assembled. During transformation of the procapsid into the mature VIRUS PARTICLE, some procapsid proteins, such as stabilizing viral scaffolding proteins, are ejected and, therefore, not part of the mature capsid structure.
Preferred term Procapsid
Entry term(s) Procapsids
Prohead
Proheads



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