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Definition
| G actins polymerized into a double helix |
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Definition
| structural microfilaments, composed of F actin myofilaments |
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Definition
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Definition
| a regulatory alpha helix in muscle, that wraps around F actin myofilaments |
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Definition
| regulatory subunits that correspond to calcium ions to interact with tropomyosin and induce muscle contraction |
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Definition
| actin crosslinking protein that forms networks in erythrocytes |
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Definition
| actin crosslinking protein that forms networks in sriated muscle |
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Definition
| a structural microfilament as well as a motor protein for actin |
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Definition
| actin and myosin associated with each other |
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Definition
| bundles of actomyosin anchored to the basal surface of fibroblasts, which are themselves attached to substratum. these fibers produce tension across a cell layer |
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Definition
| polymers of alpa and beta tubulin |
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Definition
| microtubular crosslinking proteins that form networks |
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Definition
| a microtubule motor protein for flagella, cilia, axons, and kinetochores |
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Term
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Definition
structural components of the cytoskeleton.
Complexes composed of proteins that have simila alpha helical cores, but distinctive terminal domains |
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Definition
| a major intermediate filament of epithelial cells |
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Definition
| intermediate filaments supporting the nuclear membrane |
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Definition
| extracellular matrix fibers that resist stretching, composed of 3 helices coiled around each other in a triple helix |
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Definition
| stretchable extracellular matrix fibers that provide tissue with pliability |
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Definition
| glycoprotein microfibrils that provide a scaffold for assembly of elastic fibers |
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Definition
| polysaccharides of the extracellular matrix composed of disaccharide repeats of modified sugars |
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Term
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Definition
| a particularly large glycosaminoglycan that exists free in he ECM |
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Definition
| ECM components composed of core proteins attached to one or more glycosaminoglycans |
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Definition
| a regulatory proteoglcan which controls inflammation |
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Definition
| ECM crosslinking protein forming networks in the basal lamina |
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Definition
| ECM crosslinking protein with multiple binding domains for different factors (heparin, collagen, integrin, etc) |
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Definition
| the transmembrane protein for hemidesmosomes and adhesion plaques. it is bound by an adaptor protein or plaque on the cytoplasmic side of membrane and fibronectin on the extracellular side |
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Term
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Definition
| a membrane-microfilament binding protein that binds spectrin in erythrocytes ans desmin from muscle sarcomeres |
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Term
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Definition
| factors that link actomyosin filaments to inegrin in adhesion plaques or cadherin in belt desmosomes |
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Definition
| a family of calcium dependent transmembrane proteins that tie similar cells together |
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Definition
| isolated "spot welds" joining the intermediate filament cytoskeletons of two cells at their lateral surfaces |
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Definition
| structures that anchor the intermediate filament cytoskeleton of an epithelial cell to the basal lamina |
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Term
| membrane-microfilament binding proteins |
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Definition
| membrane associated proteins that anchor the microfilament cytoskeleton to the plasma membrane by binding actin crosslinking proteins |
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Term
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Definition
| structures that anchor microfilament stress fibers to the basal surface of many cells, particularly epithelial cells |
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Definition
| thin bands of membrane around the apical perimeters of epithelial cells, held closely together by proteins such as occluden and clauden. they seal to prevent diffusion of molecules across the epithelium |
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Definition
| rows of structures anchoring actin microfilaments to the apical surface of epithelial cells, just beneath the tight junction |
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Definition
| microfilament bundles (actin and myosin)that encircle the apical perimeter of epithelial cells at the level of the belt demsosomes |
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Definition
| transmembrane complex that allow diffusion of small molecules between cells to vesicles |
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Term
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Definition
| describes a system of interconnected components that interact in a dynamic manner to form a stable, functional structure |
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