In biology, a protein filament is a long chain of protein monomers, such as those found in hair, muscle, or in flagella. Protein filaments form together...
14 KB (1,806 words) - 22:50, 17 August 2024
Intermediate filaments (IFs) are cytoskeletal structural components found in the cells of vertebrates, and many invertebrates. Homologues of the IF protein have...
30 KB (3,168 words) - 14:29, 25 April 2024
disc of the sun Myofilament, filaments of myofibrils constructed from proteins Protein filament, a long chain of protein subunits, such as those found...
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Myofilament (redirect from Thin filament)
Myofilaments are the three protein filaments of myofibrils in muscle cells. The main proteins involved are myosin, actin, and titin. Myosin and actin are...
13 KB (1,711 words) - 18:04, 15 October 2023
Microfilament (redirect from Actin filament)
Microfilaments, also called actin filaments, are protein filaments in the cytoplasm of eukaryotic cells that form part of the cytoskeleton. They are primarily...
21 KB (2,785 words) - 17:16, 15 June 2024
The sliding filament theory explains the mechanism of muscle contraction based on muscle proteins that slide past each other to generate movement. According...
20 KB (2,657 words) - 02:09, 26 May 2024
Cytoskeleton (redirect from Cytoskeletal protein)
The cytoskeleton is a complex, dynamic network of interlinking protein filaments present in the cytoplasm of all cells, including those of bacteria and...
45 KB (5,121 words) - 06:34, 27 May 2024
fibrillary acidic protein (GFAP) is a protein that is encoded by the GFAP gene in humans. It is a type III intermediate filament (IF) protein that is expressed...
28 KB (3,301 words) - 23:56, 10 August 2024
Muscle contraction (redirect from Contractile proteins)
the protein filaments within each skeletal muscle fiber slide past each other to produce a contraction, which is explained by the sliding filament theory...
62 KB (7,395 words) - 16:30, 12 July 2024
Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals. The human body, apart...
75 KB (8,498 words) - 17:32, 16 August 2024
Neurofilament (redirect from Neurofilament protein)
Neurofilaments (NF) are classed as type IV intermediate filaments found in the cytoplasm of neurons. They are protein polymers measuring 10 nm in diameter and many...
25 KB (2,579 words) - 11:02, 31 August 2023
Actin (redirect from Microfilament protein)
family of globular multi-functional proteins that form microfilaments in the cytoskeleton, and the thin filaments in muscle fibrils. It is found in essentially...
151 KB (18,106 words) - 19:32, 11 July 2024
Treadmilling (section Dynamics of the filament)
within protein filaments of the cytoskeletons of many cells, especially in actin filaments and microtubules. It occurs when one end of a filament grows...
12 KB (1,476 words) - 12:50, 22 July 2024
is a protein that in humans is encoded by the NES gene. Nestin (acronym for neuroepithelial stem cell protein) is a type VI intermediate filament (IF)...
16 KB (1,923 words) - 06:20, 4 January 2024
hairiness, or hairy in Wiktionary, the free dictionary. Hair is a protein filament that grows from follicles in the skin. Hair may also refer to: Hair...
3 KB (377 words) - 08:19, 22 August 2024
Keratin (section Filament formation)
other intermediate filament proteins, Hanukoglu and Fuchs suggested a model in which keratins and intermediate filament proteins contain a central ~310...
39 KB (3,016 words) - 15:08, 13 July 2024
Titin (redirect from Titin protein)
30 hours (in mammalian reticulocytes). The Titin protein is located between the myosin thick filament and the Z disk. Titin consists primarily of a linear...
45 KB (4,650 words) - 10:29, 24 August 2024
"having hairy pinnae" (hypertrichosis lanuginosa acquisita). Hair is a protein filament that grows from follicles in the dermis, or skin. With the exception...
6 KB (535 words) - 13:06, 1 July 2024
A fibrous protein forms long protein filaments, which are shaped like rods or wires. Fibrous proteins are structural or storage proteins that are typically...
3 KB (321 words) - 15:12, 20 October 2023
While prokaryotes do not possess eukaryotic organelles, some do contain protein-shelled bacterial microcompartments, which are thought to act as primitive...
28 KB (2,356 words) - 07:22, 23 June 2024
Nucleoplasm (section Proteins)
organized by protein filaments within their respective compartments. The cytoplasm contains the cytoskeleton, a network of protein filaments found in all...
16 KB (1,925 words) - 22:37, 21 March 2024
actin-containing thin filaments. The thin filaments are placed between 2 myosin filaments and contain only the actin filaments of neighboring sarcomeres...
3 KB (325 words) - 08:23, 4 May 2024
Desmin is a protein that in humans is encoded by the DES gene. Desmin is a muscle-specific, type III intermediate filament that integrates the sarcolemma...
24 KB (2,655 words) - 06:52, 1 April 2024
Hair keratin (redirect from Hair protein)
higher-order structural units. Similar to other intermediate filament subunit proteins, a prevalent secondary structure exists: a well-preserved, central...
15 KB (1,833 words) - 11:57, 19 February 2024
cDNA encoding a core protein of the paired helical filament of Alzheimer disease: identification as the microtubule-associated protein tau". Proceedings...
55 KB (6,238 words) - 00:35, 11 August 2024
filament assembly at the surface of the plasma membrane. It was suggested that ATP activates either membrane-bound MSP filament end-tracking proteins...
19 KB (2,261 words) - 06:52, 22 February 2024
filament (IF) protein that is expressed in mesenchymal cells. IF proteins are found in all animal cells as well as bacteria. Intermediate filaments,...
23 KB (2,529 words) - 19:42, 3 April 2024
Prion (redirect from Cellular prion protein)
Ghetti B, Vidal R (September 2022). "Cryo-EM structures of prion protein filaments from Gerstmann–Sträussler–Scheinker disease". Acta Neuropathologica...
100 KB (10,914 words) - 11:42, 20 August 2024
sarcolemma. Two of the important proteins are myosin, which forms the thick filament, and actin, which forms the thin filament. Myosin has a long, fibrous...
12 KB (1,553 words) - 15:38, 30 July 2024
inhibitors (e.g. cefuroxime, ceftazidime) induce filamentation by inhibiting the penicillin binding proteins (PBPs) responsible for crosslinking peptidoglycan...
19 KB (2,062 words) - 04:24, 26 February 2024