dynactin subunit 1
Last updated 21 Mar 2023
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The DCTN1 gene provides instructions for making a protein called dynactin-1. At least two different versions of this protein are produced in cells. The two versions differ in size; the larger version is called p150-glued, and the smaller version is called p135.
Normal function
The DCTN1 gene provides instructions for making a protein called dynactin-1. At least two different versions of this protein are produced in cells. The two versions differ in size; the larger version is called p150-glued, and the smaller version is called p135.
Both versions of the dynactin-1 protein interact with several other proteins to form a group (a complex) of proteins called dynactin. The p150-glued version of dynactin-1 is the largest component (subunit) of the dynactin complex. This complex plays a critical role in cell division and the transport of materials within cells. To carry out these roles, the complex's p150-glued subunit attaches (binds) to a protein called dynein, which acts as a motor, and also binds to a track-like system of small tubes called microtubules. The dynactin complex, dynein, and microtubules work together like a conveyer belt to move materials within cells.
Researchers believe that the dynactin complex is particularly important for the proper function of axons, which are specialized extensions of nerve cells (neurons). Axons transmit impulses from nerve to nerve and from nerves to muscles. Axons can be quite long; some are more than 3 feet in length. The dynactin complex is a critical part of a rapid transport system that supplies axons with materials to keep them healthy and functioning efficiently.
Conditions referring to this gene or chromosome
Other names
150 kDa dynein-associated polypeptide
DAP-150
DP-150
DYNA_HUMAN
dynactin 1
dynactin 1 (p150, glued homolog, Drosophila)
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Further reading and references
- dynactin subunit 1; MedlinePlus, National Library of Medicine.
- Farrer MJ, Hulihan MM, Kachergus JM, Dachsel JC, Stoessl AJ, Grantier LL, Calne S, Calne DB, Lechevalier B, Chapon F, Tsuboi Y, Yamada T, Gutmann L, Elibol B, Bhatia KP, Wider C, Vilarino-Guell C, Ross OA, Brown LA, Castanedes-Casey M, Dickson DW, Wszolek ZK. DCTN1 mutations in Perry syndrome. Nat Genet. 2009 Feb;41(2):163-5. doi: 10.1038/ng.293. Epub 2009 Jan 11.
- Levy JR, Sumner CJ, Caviston JP, Tokito MK, Ranganathan S, Ligon LA, Wallace KE, LaMonte BH, Harmison GG, Puls I, Fischbeck KH, Holzbaur EL. A motor neuron disease-associated mutation in p150Glued perturbs dynactin function and induces protein aggregation. J Cell Biol. 2006 Feb 27;172(5):733-45. doi: 10.1083/jcb.200511068.
- Munch C, Rosenbohm A, Sperfeld AD, Uttner I, Reske S, Krause BJ, Sedlmeier R, Meyer T, Hanemann CO, Stumm G, Ludolph AC. Heterozygous R1101K mutation of the DCTN1 gene in a family with ALS and FTD. Ann Neurol. 2005 Nov;58(5):777-80. doi: 10.1002/ana.20631.
- Munch C, Sedlmeier R, Meyer T, Homberg V, Sperfeld AD, Kurt A, Prudlo J, Peraus G, Hanemann CO, Stumm G, Ludolph AC. Point mutations of the p150 subunit of dynactin (DCTN1) gene in ALS. Neurology. 2004 Aug 24;63(4):724-6. doi: 10.1212/01.wnl.0000134608.83927.b1.
- Puls I, Jonnakuty C, LaMonte BH, Holzbaur EL, Tokito M, Mann E, Floeter MK, Bidus K, Drayna D, Oh SJ, Brown RH Jr, Ludlow CL, Fischbeck KH. Mutant dynactin in motor neuron disease. Nat Genet. 2003 Apr;33(4):455-6. doi: 10.1038/ng1123. Epub 2003 Mar 10.
- Puls I, Oh SJ, Sumner CJ, Wallace KE, Floeter MK, Mann EA, Kennedy WR, Wendelschafer-Crabb G, Vortmeyer A, Powers R, Finnegan K, Holzbaur EL, Fischbeck KH, Ludlow CL. Distal spinal and bulbar muscular atrophy caused by dynactin mutation. Ann Neurol. 2005 May;57(5):687-94. doi: 10.1002/ana.20468.
- Schroer TA. Dynactin. Annu Rev Cell Dev Biol. 2004;20:759-79. doi: 10.1146/annurev.cellbio.20.012103.094623.
- Vilarino-Guell C, Wider C, Soto-Ortolaza AI, Cobb SA, Kachergus JM, Keeling BH, Dachsel JC, Hulihan MM, Dickson DW, Wszolek ZK, Uitti RJ, Graff-Radford NR, Boeve BF, Josephs KA, Miller B, Boylan KB, Gwinn K, Adler CH, Aasly JO, Hentati F, Destee A, Krygowska-Wajs A, Chartier-Harlin MC, Ross OA, Rademakers R, Farrer MJ. Characterization of DCTN1 genetic variability in neurodegeneration. Neurology. 2009 Jun 9;72(23):2024-8. doi: 10.1212/WNL.0b013e3181a92c4c.
- Wider C, Dachsel JC, Farrer MJ, Dickson DW, Tsuboi Y, Wszolek ZK. Elucidating the genetics and pathology of Perry syndrome. J Neurol Sci. 2010 Feb 15;289(1-2):149-54. doi: 10.1016/j.jns.2009.08.044. Epub 2009 Sep 4.
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