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FLASH GENE
Symbol TDP2 contributors: mct/pgu - updated : 25-11-2015
HGNC name tyrosyl-DNA phosphodiesterase 2
HGNC id 17768
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • four conserved catalytic motifs shared by Mg2+-dependent endonucleases, such as APE1
  • structure for the C-terminal core of TDP2 (AAs 113–362) contains three beta-sheets sandwiched by two alpha-helices on either side, forming a potential DNA binding groove
  • HOMOLOGY
    Homologene
    FAMILY
  • AP endonuclease family 1
  • CATEGORY regulatory , signaling growth factor
    SUBCELLULAR LOCALIZATION     intracellular
    intracellular,cytoplasm
    intracellular,nucleus,nucleoplasm,nuclear bodies
    intracellular,nucleus,nucleolus
    text
  • predominantly localized to the nucleus of mammalian cells
  • in the nucleolus, contributes to control levels of ribosomal RNA precursor and processing intermediates
  • basic FUNCTION
  • inhibitor of NFKB activation
  • negatively modulates ETS1 transcriptional activity and attenuates synergistic transactivation by ETS1 and AP-1
  • ETS1 modulator that regulates specific aspects of the ETS1 functions
  • may be possessing an antiviral activity like other PML NBs-associated proteins
  • might play an important role in PML NBs-mediated antiviral activity
  • promyelocytic leukemia protein nuclear bodies-associated protein
  • is the major 5prime-tyrosyl DNA phosphodiesterase activity in vertebrate cells and is critical for cellular resistance to TOP2A-induced DNA damage
  • is a multifunctional protein that can act in the nucleus as a 5'-tyrosyl DNA phosphodiesterase and in the cytoplasm as a regulator of cell signaling
  • function for TDP2 and nucleolar cavities in ribosome biogenesis under stress
  • adaptor molecule that is a novel component of the non-canonical TGFB1 pathway
  • TDP2 contributes to cellular 3prime-TDP activity in the absence of TDP1
  • TDP1 and TDP2 fulfil overlapping roles following TOP1-induced DNA damage, but not following TOP2A-induced DNA damage
  • is not only specific but also efficient in recognizing and processing trapped TOP2A cleavage complexes even in the form of a longer peptide
  • having preferential action at abortive TOP2A and possibly TOP3A cleavage complexes
  • multi-functional protein that is involved in multiple aspects of cellular functions including cell proliferation, apoptosis and the repair of DNA damage
  • is essential for the life cycle of picornaviruses (important human and bovine pathogens)and is involved in signal transduction
  • repair function of TDP2 is devoted to the excision of topoisomerase II- and potentially topoisomerases III-DNA adducts
  • latest identified cytosolic protein that serves as a negative regulator for TNF signaling pathway
  • is a critical factor in grouper immune response to virus infection
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling
    a component
    INTERACTION
    DNA
    RNA
    small molecule
    protein
  • TNFRSF5 (CD40), TNFRSF8 (CD30), TNF-R75
  • interacts with ETS1 and other Ets proteins (ETS2 and FLI1)
  • colocalized and interacted with PML, SP100 and DAXX
  • interacts with HIV1- integrase to facilitate viral integration
  • MAPK6, an atypical MAPK, phosphorylates TDP2 at S60 and regulates TDP2 phosphodiesterase activity, thereby cooperatively protecting lung cancer cells against TOP2 inhibitors-induced DNA damage and growth inhibition
  • cell & other
    REGULATION
    induced by IFN-gamma, representing a common feature of PML NBs-associated proteins
    Phosphorylated by MAPK6
    ASSOCIATED DISORDERS
    corresponding disease(s) SCAR23
    Susceptibility
    Variant & Polymorphism
    Candidate gene
    Marker
    Therapy target
    ANIMAL & CELL MODELS