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Symbol DCTN1 contributors: mct - updated : 03-06-2013
HGNC name dynactin 1 (p150, glued homolog, Drosophila)
HGNC id 2711
Corresponding disease
LMND lower motor neuron disease, dynactin type
PERS Perry syndrome
Location 2p13.1      Physical location : 74.588.280 - 74.619.214
Synonym name
  • dynactin 1
  • 150 kDa dynein-associated polypeptide
  • p150, Glued (Drosophila) homolog
  • p150-glued
  • Synonym symbol(s) P135, DP150, DAP150, DYNA, HMN7B, DAP-150, p150Glued
    TYPE functioning gene
    text encoded by the same locus than SLC4A5
    STRUCTURE 30.93 kb     32 Exon(s)
    10 Kb 5' upstream gene genomic sequence study
    MAPPING cloned Y linked N status confirmed
    Map see LGMD2B
    Physical map
    MGC22014 2p13.1 hypothetical protein MGC22014 MGC10955 2p13.1 hypothetical protein MGC10955 LOC388962 2 similar to RIKEN cDNA 1810056O20 C2orf6 2p12 chromosome 2 open reading frame 6 MTHFD2 2p12 methylene tetrahydrofolate dehydrogenase (NAD+ dependent), methenyltetrahydrofolate cyclohydrolase SLC4A5 2p13 solute carrier family 4, sodium bicarbonate cotransporter, member 5 DCTN1 2p13 dynactin 1 (p150, glued homolog, Drosophila) LOC388963 2 similar to Retinol dehydrogenase 12 LOC257200 2p13.1 similar to high mobility group AT-hook 1 FLJ12953 2p13.1 hypothetical protein FLJ12953 similar to Mus musculus D3Mm3e RTKN 2p13 rhotekin HMGA1L4 2p13.1 high mobility group AT-hook 1-like 4 WBP1 2p12 WW domain binding protein 1 GCS1 2p13 WW domain binding protein 1 MRPL53 2p13.1 mitochondrial ribosomal protein L53 LOC151534 2p13.1 hypothetical protein BC009264 FLJ14397 2p13.1 hypothetical protein FLJ14397 FLJ12788 2p13.1 hypothetical protein FLJ12788 NSPC1 2p13.1 likely ortholog of mouse nervous system polycomb 1 TLX2 2p13.1-p12 T-cell leukemia, homeobox 2 DQX1 2p12 T-cell leukemia, homeobox 2 AUP1 2p13 ancient ubiquitous protein 1 PRSS25 2p13.3 protease, serine, 25 LOXL3 2p13.3 lysyl oxidase-like 3 DOK1 2p13 docking protein 1, 62kDa (downstream of tyrosine kinase 1) LOC130951 2p13.1 hypothetical protein BC014602
    regionally located in the PARK3 region
    TRANSCRIPTS type messenger
    identificationnb exonstypebpproduct
    ProteinkDaAAspecific expressionYearPubmed
    32 - 4518 141.7 1278 - 2013 23985322
  • also called p150 GLued
  • isoform 1A
  • SLK (LOSK) phosphorylates only minor isoform 1A
  • 27 - 4181 135 1144 brain only 2009 19279216
    lacking the consensus microtubule binding motif
    28 - 4433 138.6 1253 - 2013 23985322
    isoform 1B lacking 20 amino acids in the basic microtubule-binding domain
    26 - 4166 126.6 1139 - 2009 19279216
    31 - 4497 - 1271 - 2013 23985322
    28 - 4386 - 1236 - -
    Type ubiquitous
       expressed in (based on citations)
    SystemOrgan level 1Organ level 2Organ level 3Organ level 4LevelPubmedSpeciesStageRna symbol
    Digestivesalivary gland   highly
    Nervousbrain   highly
    Reproductivemale systemtestis   
    cell lineage
    cell lines
    at STAGE
    physiological period fetal
    Text umbilical cord
  • N-terminal cytoskeleton-associated protein–glycine-rich (CAP-Gly) domain having a critical role in the initiation and persistence of dynein-dependent movement of the mitotic spindle and nucleus, but is otherwise dispensable for dynein-based movement
  • the 'GKNDG' binding motif
  • three binding domains : microtubules (CAP-Gly domain), dynein and ARP1
  • mono polymer heteromer , polymer
    interspecies homolog to Drosophila Glued
    SUBCELLULAR LOCALIZATION     intracellular
    intracellular,cytoplasm,cytoskeleton,microtubule,mitotic spindle
    intracellular,nuclear envelope
  • punctate cytoplasmic structures and centrosomes during interphase, mitotic spindle through cleavage furrow and midbodies of dividing cells
  • microtubule plus-ends
  • localizes in the nuclear envelope during prophase
  • phosphorylation is required only for centrosomal localization of DCTN1
  • basic FUNCTION
  • critical functions for NUMA1, DCTN1 and GPSM2 in mammalian development
  • NUMA1, DCTN1 and GPSM2 are involved in spindle orientation regulation
  • major component of the dynactin complex which facilitates retrograde axonal transport of cargos by the dynein complex
  • NDE1 and DCTN1 are likely associated with distinct dynein pools having specific functions
  • likely DCTN1 function and microtubule stabilization pathway could act cooperatively for protection of axons against degeneration
  • could be activating enzymes involved in the pro-survival signaling cascades that might involve MAP kinases to propagate protective signals against excitotoxicity-induced axon degeneration
  • major function of dynactin is minus end-directed transport along microtubules in a complex with dynein motor
  • dynactin phosphorylation is involved in Golgi reorientation in polarized cells
    a component
  • REST, DCTN1, HTT, HAP1, and RILP form a complex involved in the translocation of REST into the nucleus and HAP1 controls REST cellular localization in neurons
    small molecule
  • interaction SNX6-DCTN1 for recruitment of the motor complex to the membrane-associated retromer
  • PARD6A interacts with the dynactin subunit DCTN1 and is a critical regulator of centrosomal protein recruitment
  • interacting with HTT (regulates spindle orientation by ensuring the proper localization of the DCTN1 subunit of dynactin, dynein and NUMA1)
  • TRAPPC9 mediates the interaction between DCTN1 and COPII vesicles at the target membrane
  • BICD2, DCTN1, and PAFAH1B1 cooperate in regulating dynein recruitment to cellular structures
  • AURKA is required for central spindle assembly in anaphase through phosphorylation of Ser 19 of DCTN1
  • cell & other
    Phosphorylated by SLK, and SLK targets it to the centrosome, where it maintains microtubule radial organization
    Other regulated by ubiquitin protein ligase complex called SCFs (SKP1-cullin-F-box), which governs phosphorylation-dependent ubiquitination and subsequent proteolysis
    phosphorylation by PLK1 that might be one major pathway of nuclear envelope breakdown regulation
    corresponding disease(s) LMND , PERS
    Other morbid association(s)
    TypeGene ModificationChromosome rearrangementProtein expressionProtein Function
    constitutional germinal mutation      
    linked to a slowly progressive form of lower motor neuron disease that resembles ALS (Moore 2009)
    constitutional     --over  
    with microtubule stabilization, functions cooperatively to protect axons from excitotoxicity-induced degeneration (pMID: 22728878)
    Variant & Polymorphism
    Candidate gene
    Therapy target
    Heterozygous G59S-mutant mice are viable, and adults exhibit cellular abnormalities in lower motor neurons that are reminiscent of changes seen with human diseases, including ALS (Moore 2009)