Integrin Structure, Activation, and Interactions

Integrins are large, membrane-spanning, heterodimeric proteins that are essential for a metazoan existence. All members of the integrin family adopt a shape that resembles a large "head" on two "legs," with the head containing the sites for ligand binding and subunit association....

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Main Authors: Campbell, I, Humphries, M
Format: Journal article
Izdano: 2011
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author Campbell, I
Humphries, M
author_facet Campbell, I
Humphries, M
author_sort Campbell, I
collection OXFORD
description Integrins are large, membrane-spanning, heterodimeric proteins that are essential for a metazoan existence. All members of the integrin family adopt a shape that resembles a large "head" on two "legs," with the head containing the sites for ligand binding and subunit association. Most of the receptor dimer is extracellular, but both subunits traverse the plasma membrane and terminate in short cytoplasmic domains. These domains initiate the assembly of large signaling complexes and thereby bridge the extracellular matrix to the intracellular cytoskeleton. To allowcells to sample and respond to a dynamic pericellular environment, integrins have evolved a highly responsive receptor activation mechanism that is regulated primarily by changes in tertiary and quaternary structure. This review summarizes recent progress in the structural and molecular functional studies of this important class of adhesion receptor. © 2011 Cold Spring Harbor Laboratory Press.
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spelling oxford-uuid:ba94e52d-eb06-4bba-bf06-af574a14a0fe2022-03-27T05:10:50ZIntegrin Structure, Activation, and InteractionsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ba94e52d-eb06-4bba-bf06-af574a14a0feSymplectic Elements at Oxford2011Campbell, IHumphries, MIntegrins are large, membrane-spanning, heterodimeric proteins that are essential for a metazoan existence. All members of the integrin family adopt a shape that resembles a large "head" on two "legs," with the head containing the sites for ligand binding and subunit association. Most of the receptor dimer is extracellular, but both subunits traverse the plasma membrane and terminate in short cytoplasmic domains. These domains initiate the assembly of large signaling complexes and thereby bridge the extracellular matrix to the intracellular cytoskeleton. To allowcells to sample and respond to a dynamic pericellular environment, integrins have evolved a highly responsive receptor activation mechanism that is regulated primarily by changes in tertiary and quaternary structure. This review summarizes recent progress in the structural and molecular functional studies of this important class of adhesion receptor. © 2011 Cold Spring Harbor Laboratory Press.
spellingShingle Campbell, I
Humphries, M
Integrin Structure, Activation, and Interactions
title Integrin Structure, Activation, and Interactions
title_full Integrin Structure, Activation, and Interactions
title_fullStr Integrin Structure, Activation, and Interactions
title_full_unstemmed Integrin Structure, Activation, and Interactions
title_short Integrin Structure, Activation, and Interactions
title_sort integrin structure activation and interactions
work_keys_str_mv AT campbelli integrinstructureactivationandinteractions
AT humphriesm integrinstructureactivationandinteractions