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DCTN1

Chr 2p13.1

dynactin subunit 1

MANE:
ENST00000628224.3

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Adult onset dystonia, chorea or related movement disorder

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Adult onset neurodegenerative disorder

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Amyotrophic lateral sclerosis/motor neuron disease

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Hereditary neuropathy

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Hereditary neuropathy or pain disorder

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Parkinson Disease and Complex Parkinsonism

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Childhood onset dystonia, chorea or related movement disorder

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Early onset dementia (encompassing fronto-temporal dementia and prion disease)

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

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Disease associations (Open Targets)

  • Perry syndrome

    0.80
  • amyotrophic lateral sclerosis

    0.76
  • neuronopathy, distal hereditary motor, type 7B

    0.74
  • cancer

    0.55
  • sporadic amyotrophic lateral sclerosis

    0.53
  • neurodegenerative disease

    0.53
  • familial amyotrophic lateral sclerosis

    0.53
  • distal hereditary motor neuropathy type 7

    0.37
  • spitz nevus

    0.37
  • melanocytic neoplasm

    0.37

Score is the Open Targets composite evidence score (0-1). Higher = stronger gene-disease association.

Protein function (UniProt)

Dynactin subunit 1

Part of the dynactin complex that activates the molecular motor dynein for ultra-processive transport along microtubules (By similarity). Plays a key role in dynein-mediated retrograde transport of vesicles and organelles along microtubules by recruiting and tethering dynein to microtubules. Binds to both dynein and microtubules providing a link between specific cargos, microtubules and dynein. Essential for targeting dynein to microtubule plus ends, recruiting dynein to membranous cargos and enhancing dynein processivity (the ability to move along a microtubule for a long distance without falling off the track). Can also act as a brake to slow the dynein motor during motility along the microtubule (PubMed:25185702). Can regulate microtubule stability by promoting microtubule formation, nucleation and polymerization and by inhibiting microtubule catastrophe in neurons. Inhibits microtubule catastrophe by binding both to microtubules and to tubulin, leading to enhanced microtubule stability along the axon (PubMed:23874158). Plays a role in metaphase spindle orientation (PubMed:22327364). Plays a role in centriole cohesion and subdistal appendage organization and function. Its recruitment to the centriole in a KIF3A-dependent manner is essential for the maintenance of centriole cohesion and the formation of subdistal appendage. Also required for microtubule anchoring at the mother centriole (PubMed:23386061). Plays a role in primary cilia formation (PubMed:25774020)

Curated MONDO disease pages that list DCTN1 among their top associated genes.

Data sources: HGNC (CC BY 4.0), AlphaFold (CC BY 4.0, Jumper et al. Nature 2021), Genomics England PanelApp (CC BY 4.0), ClinGen, Open Targets (CC0), UniProt.

Not for sole clinical decision-making. Always verify against primary sources.