= Spectrin
<Spectrin> is a flexible cytoskeletal <protein> that forms a meshwork beneath the <cell membrane>, often through assemblies of alpha and beta chains. Connections to membrane-associated components and <actin> help distribute mechanical stress. The <red blood cell> provides a striking example: its membrane skeleton supports repeated deformation through narrow vessels. <Spectrin> is also present in other <cells>, where related assemblies help organize membrane domains. https://www.uniprot.org/uniprotkb/Q13813[UniProtKB SPTAN1, Function and Subunit structure]{ref}
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