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FLASH GENE
Symbol TLN2 contributors: mct - updated : 10-06-2015
HGNC name talin 2
HGNC id 15447
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • three actin-binding sites (ABS1-3): one in the N-terminal head, and two in the C-terminal rod domain
  • a FERM domain, with 3 subdomains (F1, F2, F3) functioning as a linker between PIPkin or integrins and F-actin at sites of cell-matrix adhesions
  • F2 and F3 FERM subdomains contribute to binding, and EGFP-tagged FERM subdomains colocalize with actin stress fibers
  • a I/LWEQ domain
  • HOMOLOGY
    interspecies homolog to murine Talin
    Homologene
    FAMILY
    CATEGORY adhesion , structural protein
    SUBCELLULAR LOCALIZATION     plasma membrane,junction
        intracellular
    intracellular,cytoplasm,cytoskeleton
    text
  • actin cytoskeleton, synapses
  • localizes to costameres and intercalated disks
  • observed in both focal and fibrillar adhesions
  • basic FUNCTION
  • cytoskeletal protein that plays a significant role in the assembly of actin filaments and in spreading and migration of various cell types, including fibroblasts and osteoclasts
  • may be involved in connections of major cytoskeletal structures to the plasma membrane
  • link the actin cytoskeleton to the extracellular environment through interactions with beta-integrins and actin
  • serves as an essential link between integrins and the actin cytoskeleton in several similar, but functionally distinct, adhesion complexes, including focal adhesions, costameres, and intercalated disks
  • may serve as the link between integrins and the sarcomeric cytoskeletonin stable adhesion complexes in mature striated muscle
  • TLN1, TLN2 are crucial for skeletal muscle development, where they regulate myoblast fusion, sarcomere assembly and the maintenance of myotendinous junctions (MTJs)
  • plays an important role in cell adhesion and recycling of synaptic vesicles
  • adaptor proteins that connect the integrin family of cell adhesion receptors to cytoskeletal actin
  • TLN1 and TLN2 have distinct functions in the myocardium
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling
    a component
    INTERACTION
    DNA
    RNA
    small molecule
    protein
  • binds with high affinity to vinculin and with low affinity to integrins
  • interacts with PIP5K1C
  • DSP and TLN2 mRNAs associate with FXR1 in a complex
  • cell & other
    REGULATION
    activated by during muscle differentiation at both the mRNA and protein levels
    ASSOCIATED DISORDERS
    ANIMAL & CELL MODELS