DCTN3

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Identifiers
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External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
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RefSeq (protein)

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Dynactin subunit 3 is a protein that in humans is encoded by the DCTN3 gene.[1][2][3]

This gene encodes the smallest subunit of dynactin, a macromolecular complex consisting of 10 subunits ranging in size from 22 to 150 kD. Dynactin binds to both microtubules and cytoplasmic dynein. It is involved in a diverse array of cellular functions, including ER-to-Golgi transport, the centripetal movement of lysosomes and endosomes, spindle formation, cytokinesis, chromosome movement, nuclear positioning, and axonogenesis. This subunit, like most other dynactin subunits, exists only as a part of the dynactin complex. It is primarily an alpha-helical protein with very little coiled coil, and binds directly to the largest subunit (p150) of dynactin. Alternative splicing of this gene generates 2 transcript variants.[3]

References

  1. Karki S, LaMonte B, Holzbaur EL (Sep 1998). "Characterization of the p22 subunit of dynactin reveals the localization of cytoplasmic dynein and dynactin to the midbody of dividing cells". J Cell Biol. 142 (4): 1023–34. doi:10.1083/jcb.142.4.1023. PMC 2132867. PMID 9722614.
  2. Mills DR, Jackson CL (Apr 2001). "Assignment of p22 dynactin light chain (DCTN3) to human chromosome region 9p13 by radiation hybrid mapping". Cytogenet Cell Genet. 92 (1–2): 166. doi:10.1159/000056892. PMID 11306820.
  3. 3.0 3.1 "Entrez Gene: DCTN3 dynactin 3 (p22)".

Further reading