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Related to Capsid proteins: Icosahedral capsid, Viral capsid


The protein coat that constitutes the shell of a virus particle.

[From Latin capsa, box.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Animals) any heteropterous bug of the family Miridae (formerly Capsidae), most of which feed on plant tissues, causing damage to crops
[C19: from New Latin Capsus (genus)]


(Biochemistry) the outer protein coat of a mature virus
[C20: from French capside, from Latin capsa box]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkæp sɪd)

the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus. Also called protein coat.
[1960–65; < French capside= Latin caps(a) case2 + -ide -id1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.capsid - a variety of leaf bugcapsid - a variety of leaf bug    
leaf bug, plant bug - small bright-colored insect that feeds on plant juices
four-lined leaf bug, four-lined plant bug, Poecilocapsus lineatus - yellow or orange leaf bug with four black stripes down the back; widespread in central and eastern North America
lygus bug - vector of viral plant diseases
2.capsid - the outer covering of protein surrounding the nucleic acid of a virus
virion - (virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses)
protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The late coding region includes 2 ORFs: 1 encodes the viral capsid proteins (VPs) VP1, VP2, and VP3 and structural proteins, (5) whereas the other encodes for the designated VP4, also referred to as agnoprotein la.
The viral genome encodes 7 structural proteins (virus capsid proteins [VPs] 1-7) and 3 nonstructural proteins (NS1-3).
This plasmid, carrying this intended "transgene," would be introduced into a tissue culture "packaging cell line" that has been engineered to also express the required AAV viral capsid proteins and the required "helper virus" genes.
Cheng et al., "Structure, Assembly, and Antigenicity of Hepatitis B Virus Capsid Proteins," Advances in Virus Research, vol.
On the other hand, chimeric VLPs, occurring from two distinct capsid proteins, are the specific approach for both of vaccination and drug delivery system at the same time.
The capsid proteins initiate infection by binding to a receptor on the host membrane (31).
The capsid proteins coded for by L1 are highly immunogenic.
The genome is enclosed in 52-55 nm capsid and codes for the virus capsid proteins (L1 and L2) and several other proteins that are involved in various processes.
Assembly starts in the nucleus with capsid proteins that have been synthesized in the cytoplasm and imported into the nucleus.
Protein subunit vaccines contain only viral capsid proteins without nucleic acids and therefore are very safe.