actin beta
Last updated 18 Aug 2020
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The ACTB gene provides instructions for making a protein called beta (β)-actin, which is part of the actin protein family. Proteins in this family are organized into a network of fibers called the actin cytoskeleton, which makes up the structural framework inside cells. There are six types of actin; four are present only in muscle cells, where they are involved in the tensing of muscle fibers (muscle contraction). The other two actin proteins, β-actin and gamma (γ)-actin (produced from the ACTG1 gene), are found in cells throughout the body. These proteins play important roles in determining cell shape and controlling cell movement (motility). Studies suggest that β-actin may also be involved in relaying chemical signals within cells.
Normal function
The ACTB gene provides instructions for making a protein called beta (β)-actin, which is part of the actin protein family. Proteins in this family are organized into a network of fibers called the actin cytoskeleton, which makes up the structural framework inside cells. There are six types of actin; four are present only in muscle cells, where they are involved in the tensing of muscle fibers (muscle contraction). The other two actin proteins, β-actin and gamma (γ)-actin (produced from the ACTG1 gene), are found in cells throughout the body. These proteins play important roles in determining cell shape and controlling cell movement (motility). Studies suggest that β-actin may also be involved in relaying chemical signals within cells.
Conditions referring to this gene or chromosome
Other names
ACTB_HUMAN
actin, beta
actin, cytoplasmic 1
beta cytoskeletal actin
BRWS1
PS1TP5-binding protein 1
PS1TP5BP1
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Further reading and references
- actin beta; MedlinePlus, National Library of Medicine.
- Dugina V, Zwaenepoel I, Gabbiani G, Clement S, Chaponnier C. Beta and gamma-cytoplasmic actins display distinct distribution and functional diversity. J Cell Sci. 2009 Aug 15;122(Pt 16):2980-8. doi: 10.1242/jcs.041970. Epub 2009 Jul 28.
- Riviere JB, van Bon BW, Hoischen A, Kholmanskikh SS, O'Roak BJ, Gilissen C, Gijsen S, Sullivan CT, Christian SL, Abdul-Rahman OA, Atkin JF, Chassaing N, Drouin-Garraud V, Fry AE, Fryns JP, Gripp KW, Kempers M, Kleefstra T, Mancini GM, Nowaczyk MJ, van Ravenswaaij-Arts CM, Roscioli T, Marble M, Rosenfeld JA, Siu VM, de Vries BB, Shendure J, Verloes A, Veltman JA, Brunner HG, Ross ME, Pilz DT, Dobyns WB. De novo mutations in the actin genes ACTB and ACTG1 cause Baraitser-Winter syndrome. Nat Genet. 2012 Feb 26;44(4):440-4, S1-2. doi: 10.1038/ng.1091.
- Su Y, Kondrikov D, Block ER. Beta-actin: a regulator of NOS-3. Sci STKE. 2007 Sep 18;2007(404):pe52. doi: 10.1126/stke.4042007pe52.
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