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The form discussed here is the one found in the 1950s to be linked to Rh blood group and more recently shown to be caused by a defect in protein 4.1. 'Rh-unlinked' forms of elliptocytosis are caused by mutation in the alpha- spectrin gene (MIM 182860), the beta- spectrin gene (MIM 182870), or the band 3 gene (MIM 109270) [supplied by OMIM].
A glycophorin is a sialoglycoprotein of the membrane of a red blood cell. It is a membrane-spanning protein and carries sugar molecules. It is heavily glycosylated (60%). Glycophorins are rich in sialic acid, which gives the red blood cells a very hydrophilic-charged coat. This enables them to circulate without adhering to other cells or vessel ...
These functions are highly dependent on the membrane composition. The red blood cell membrane is composed of 3 layers: the glycocalyx on the exterior, which is rich in carbohydrates; the lipid bilayer which contains many transmembrane proteins, besides its lipidic main constituents; and the membrane skeleton, a structural network of proteins ...
This became known as a red blood cell "ghost" (spectre), and so the major protein of the ghost was named spectrin. In certain types of brain injury such as diffuse axonal injury, spectrin is irreversibly cleaved by the proteolytic enzyme calpain, destroying the cytoskeleton. [2] Spectrin cleavage causes the membrane to form blebs and ultimately ...
n/a Ensembl ENSG00000170180 n/a UniProt P02724 n/a RefSeq (mRNA) NM_001308187 NM_001308190 NM_002099 n/a RefSeq (protein) NP_001295116 NP_001295119 NP_002090 n/a Location (UCSC) Chr 4: 144.11 – 144.14 Mb n/a PubMed search n/a Wikidata View/Edit Human Glycophorin A (MNS blood group), also known as GYPA, is a protein which in humans is encoded by the GYPA gene. GYPA has also recently been ...
Alfred Gottschalk proved in 1957 that hemagglutinins bind a virus to a host cell by attaching to sialic acids on carbohydrate side chains of cell-membrane glycoproteins and glycolipids. [11] The name "hemagglutinin" comes from the protein's ability to cause red blood cells (erythrocytes) to clump together ("agglutinate") in vitro. [12]
Fluid mosaic model of a cell membrane. The fluid mosaic model explains various characteristics regarding the structure of functional cell membranes.According to this biological model, there is a lipid bilayer (two molecules thick layer consisting primarily of amphipathic phospholipids) in which protein molecules are embedded.
The following 14 pages use this file: Cell (biology) Cell membrane; Extracellular fluid; Fluid mosaic model; Glossary of cellular and molecular biology (0–L) History of cell membrane theory; Membrane models; Membrane potential; Yeast assimilable nitrogen; User:RoseZHill/sandbox; Wikipedia:Featured picture candidates/Cell membrane (diagrammatic)