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A coiled coil is a structural motif in proteins in which 2–7 [1] alpha-helices are coiled together like the strands of a rope. ( Dimers and trimers are the most common types.) They have been found in roughly 5-10% of proteins and have a variety of functions. [ 2 ]
Coiled-coil research began in 1953 when Dr. Francis Crick first reported on the theory behind the packing formation of α-helices in fibrous proteins at the time, which he proposed to consist of alpha helices composed of heptad repeats, or seven-residue repeats (a-b-c-d-e-f-g), whereby 2 or more alpha helices twist around each other similar to the strands of a rope. [2]
Tying the Butterfly coil, 1-folding or faking-down Tying the Butterfly coil, 2-wrapping Tying the Butterfly coil, 3-finished. The butterfly coil (also known as a backpacker's coil) is a method used by climbers for storing and transporting a climbing rope. Slinging the coiled rope over the shoulders and tying it in place for carrying earns the ...
Intrauterine device or coil, a contraceptive device; Chemical oxygen iodine laser, a near–infrared chemical laser; Coil, a binary digit or bit in some communication protocols such as Modbus; COIL, the gene that encodes the protein coilin; Coiled tubing, a long metal pipe which is supplied spooled on a large reel
A coil with a core which is a straight bar or other non-loop shape is called an open-core coil. This has lower magnetic field and inductance than a closed core, but is often used to prevent magnetic saturation of the core. A coil without a ferromagnetic core is called an air-core coil. [14]
Coiled coil may refer to: Coiled coil, a structural motif in proteins; Coiled coil filament, a type of filament in incandescent light bulbs; See also.
Coiled tubing is often used to carry out operations similar to wirelining. The main benefits over wireline are the ability to pump chemicals through the coil and the ability to push it into the hole rather than relying on gravity. Pumping can be fairly self-contained, almost a closed system, since the tube is continuous instead of jointed pipe.
Coiled-Coil Domain Containing protein 82 (CCDC82) is a protein that in humans, is encoded for by the gene of the same name, CCDC82. The CCDC82 gene is expressed in nearly all of human tissues at somewhat low rates. As of today, there are no patents involving CCDC82 and the function remains unknown.