collagen type VI alpha 3 chain
Last updated 19 Jul 2022
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The COL6A3 gene provides instructions for making one component of type VI collagen, which is a flexible protein found in the space that surrounds cells. Specifically, the protein produced from the COL6A3 gene is the alpha(α)3(VI) chain of type VI collagen. This chain combines with chains produced from other genes to produce a complete type VI collagen molecule.
Normal function
The COL6A3 gene provides instructions for making one component of type VI collagen, which is a flexible protein found in the space that surrounds cells. Specifically, the protein produced from the COL6A3 gene is the alpha(α)3(VI) chain of type VI collagen. This chain combines with chains produced from other genes to produce a complete type VI collagen molecule.
Collagens are found in the extracellular matrix, which is an intricate lattice that forms in the space between cells and provides structural support. Type VI collagen is located in the extracellular matrix surrounding cells that make up the muscles used for movement (skeletal muscle cells) and cells that make up connective tissue, which provides strength and flexibility to structures throughout the body, including skin and joints. The extracellular matrix is necessary for cell stability and growth. Research suggests that type VI collagen links basement membranes, which are thin, sheet-like structures that are part of the extracellular matrix, to nearby cells.
Conditions referring to this gene or chromosome
Other names
CO6A3_HUMAN
collagen alpha-3(VI) chain
collagen type VI alpha 3
collagen VI, alpha-3 polypeptide
collagen, type VI, alpha 3
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Further reading and references
- collagen type VI alpha 3 chain; MedlinePlus, National Library of Medicine.
- Allamand V, Brinas L, Richard P, Stojkovic T, Quijano-Roy S, Bonne G. ColVI myopathies: where do we stand, where do we go? Skelet Muscle. 2011 Sep 23;1:30. doi: 10.1186/2044-5040-1-30.
- Baker NL, Morgelin M, Pace RA, Peat RA, Adams NE, Gardner RJ, Rowland LP, Miller G, De Jonghe P, Ceulemans B, Hannibal MC, Edwards M, Thompson EM, Jacobson R, Quinlivan RC, Aftimos S, Kornberg AJ, North KN, Bateman JF, Lamande SR. Molecular consequences of dominant Bethlem myopathy collagen VI mutations. Ann Neurol. 2007 Oct;62(4):390-405. doi: 10.1002/ana.21213.
- Baker NL, Morgelin M, Peat R, Goemans N, North KN, Bateman JF, Lamande SR. Dominant collagen VI mutations are a common cause of Ullrich congenital muscular dystrophy. Hum Mol Genet. 2005 Jan 15;14(2):279-93. doi: 10.1093/hmg/ddi025. Epub 2004 Nov 24.
- Bonnemann CG. The collagen VI-related myopathies: muscle meets its matrix. Nat Rev Neurol. 2011 Jun 21;7(7):379-90. doi: 10.1038/nrneurol.2011.81.
- Bushby KM, Collins J, Hicks D. Collagen type VI myopathies. Adv Exp Med Biol. 2014;802:185-99. doi: 10.1007/978-94-007-7893-1_12.
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