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FLASH GENE
Symbol DST contributors: mct - updated : 24-04-2012
HGNC name dystonin
HGNC id 1090
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • globular N terminus with an acting binding domain
  • a central alpha helical coiled coil (rod) domain
  • a C-terminal tail consisiting of characteristic repeat sequences
  • eleven plectin repeats
  • a SH3 domain
  • four spectrin repeats
  • binding sites for both F-actin via its calponin homology (CH) domains and MTs via its GAS2-related (GAR) domain and/or GSR repeats
  • mono polymer homomer , dimer
    HOMOLOGY
    interspecies ortholog to murine dystonia musculorum gene (Dst)
    ortholog to murine cytoskeletal linker Bpag1
    homolog to C.elegans C50C3.2
    Homologene
    FAMILY
  • plakin protein family of adhesion junction plaque proteins
  • cytolinker family
  • CATEGORY adhesion , antigen
    SUBCELLULAR LOCALIZATION     plasma membrane,junction,desmosome
        intracellular
    intracellular,cytoplasm,organelle,membrane
    intracellular,cytoplasm,organelle,endoplasmic reticulum
    intracellular,cytoplasm,cytosolic,vesicle
    intracellular,cytoplasm,cytoskeleton,microtubule
    intracellular,cytoplasm,cytoskeleton,intermed filament
    intracellular,nuclear envelope
    text
  • hemidesmosomes
  • in sensory neurons localized in association with the ER and nuclear envelope (NE)
  • basic FUNCTION
  • acting as a cytoskeletal linker protein
  • cytoskeletal interacting proteins play important roles in maintaining cytoarchitecture integrity in skin and in the neuromuscular system
  • is a necessary endoplasmic reticulum/nuclear envelope protein in sensory neurons
  • large multidomain cytoskeletal-associated protein that plays an essential role in the nervous system
  • CELLULAR PROCESS cell cycle
    cell organization/biogenesis
    PHYSIOLOGICAL PROCESS
    text
  • cytoskeleton organization and biogenesis, cell cycle arrest
  • PATHWAY
    metabolism
    signaling
    a component
  • constituent of cutaneous basement membrane zone
  • component of hemidesmosome plaque
  • forming filaments or a two-dimensional meshwork by self-aggregation
  • INTERACTION
    DNA
    RNA
    small molecule metal binding,
    calcium Ca2+
    protein
  • binding to keratin intermediate filaments, actin
  • interacting with COL17A1 (may help to anchor elements of the rod photoreceptor cytomatrix to the extracellular matrix)
  • MAP1B, a microtubule stabilizing protein, and CLTC, the major component of the clathrin triskelion, are interaction partners for DST
  • cell & other
    REGULATION
    ASSOCIATED DISORDERS
    corresponding disease(s) EBS6
    Other morbid association(s)
    TypeGene ModificationChromosome rearrangementProtein expressionProtein Function
             
    -
    Susceptibility
    Variant & Polymorphism
    Candidate gene
  • coding a glycoprotein that serves as an autoantigen in the blistering disease bullous pemphigoid
  • Marker
    Therapy target
    ANIMAL & CELL MODELS
  • mice defective for this protein have sensory neurodegeneration
  • protein level of BPAG1-b was reduced in muscle tissues from plectin-null mutant mice versus wild-type mice