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XRCC5 Antibody

Purified Mouse Monoclonal Antibody

     
  • E - XRCC5 Antibody AO1587a

    Red: Control Antigen (100ng);
    Purple: Antigen (10ng);
    Green: Antigen (50ng);
    Blue: Antigen (100ng);

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  • WB - XRCC5 Antibody AO1587a
    Figure 1: Western blot analysis using XRCC5 mouse mAb against Hela (1), MCF-7 (2), A549 (3) and NIH/3T3 (4) cell lysate.
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  • IHC - XRCC5 Antibody AO1587a
    Figure 2: Immunohistochemical analysis of paraffin-embedded human tonsil tissues (left) and human colon cancer tissues (right) using XRCC5 mouse mAb with DAB staining.
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  • IF - XRCC5 Antibody AO1587a
    Figure 3: Immunofluorescence analysis of Hela cells using XRCC5 mouse mAb (green). Red: Actin filaments have been labeled with Alexa Fluor-555 phalloidin.
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  • FC - XRCC5 Antibody AO1587a
    Figure 4: Flow cytometric analysis of Hela cells using XRCC5 mouse mAb (green) and negative control (purple).
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  • SPECIFICATION
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
WB, IHC, FC, ICC, E
Primary Accession P13010
Reactivity Human, Mouse
Host Mouse
Clonality Monoclonal
Clone Names 5C5
Isotype IgG1
Calculated MW 86kDa
Description The protein encoded by this gene is the 80-kilodalton subunit of the Ku heterodimer protein which is also known as ATP-dependant DNA helicase II or DNA repair protein XRCC5. Ku is the DNA-binding component of the DNA-dependent protein kinase, and it functions together with the DNA ligase IV-XRCC4 complex in the repair of DNA double-strand break by non-homologous end joining and the completion of V(D)J recombination events. This gene functionally complements Chinese hamster xrs-6, a mutant defective in DNA double-strand break repair and in ability to undergo V(D)J recombination. A rare microsatellite polymorphism in this gene is associated with cancer in patients of varying radiosensitivity.
Immunogen Purified recombinant fragment of human XRCC5 expressed in E. Coli.
Formulation Ascitic fluid containing 0.03% sodium azide.
Additional Information
Gene ID 7520
Other Names X-ray repair cross-complementing protein 5, 3.6.4.-, 86 kDa subunit of Ku antigen, ATP-dependent DNA helicase 2 subunit 2, ATP-dependent DNA helicase II 80 kDa subunit, CTC box-binding factor 85 kDa subunit, CTC85, CTCBF, DNA repair protein XRCC5, Ku80, Ku86, Lupus Ku autoantigen protein p86, Nuclear factor IV, Thyroid-lupus autoantigen, TLAA, X-ray repair complementing defective repair in Chinese hamster cells 5 (double-strand-break rejoining), XRCC5, G22P2
Dilution E~~1/10000
WB~~1/500 - 1/2000
IHC~~1/500 - 1/2000
IF~~1/200 - 1/1000
FC~~1/200 - 1/400
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsXRCC5 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name XRCC5
Synonyms G22P2
Function Single-stranded DNA-dependent ATP-dependent helicase that plays a key role in DNA non-homologous end joining (NHEJ) by recruiting DNA-PK to DNA (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:11493912). Required for double-strand break repair and V(D)J recombination (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:11493912). Also has a role in chromosome translocation (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:11493912). The DNA helicase II complex binds preferentially to fork-like ends of double-stranded DNA in a cell cycle-dependent manner (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:11493912). It works in the 3'- 5' direction (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:11493912). During NHEJ, the XRCC5-XRRC6 dimer performs the recognition step: it recognizes and binds to the broken ends of the DNA and protects them from further resection (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:11493912). Binding to DNA may be mediated by XRCC6 (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:11493912). The XRCC5-XRRC6 dimer acts as a regulatory subunit of the DNA-dependent protein kinase complex DNA-PK by increasing the affinity of the catalytic subunit PRKDC to DNA by 100-fold (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:20383123, PubMed:11493912). The XRCC5-XRRC6 dimer is probably involved in stabilizing broken DNA ends and bringing them together (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:20383123). The assembly of the DNA-PK complex to DNA ends is required for the NHEJ ligation step (PubMed:7957065, PubMed:8621488, PubMed:12145306, PubMed:20383123). The XRCC5-XRRC6 dimer probably also acts as a 5'-deoxyribose-5-phosphate lyase (5'-dRP lyase), by catalyzing the beta-elimination of the 5' deoxyribose-5-phosphate at an abasic site near double-strand breaks (PubMed:20383123). XRCC5 probably acts as the catalytic subunit of 5'- dRP activity, and allows to 'clean' the termini of abasic sites, a class of nucleotide damage commonly associated with strand breaks, before such broken ends can be joined (PubMed:20383123). The XRCC5- XRRC6 dimer together with APEX1 acts as a negative regulator of transcription (PubMed:8621488). In association with NAA15, the XRCC5- XRRC6 dimer binds to the osteocalcin promoter and activates osteocalcin expression (PubMed:12145306). As part of the DNA-PK complex, involved in the early steps of ribosome assembly by promoting the processing of precursor rRNA into mature 18S rRNA in the small-subunit processome (PubMed:32103174). Binding to U3 small nucleolar RNA, recruits PRKDC and XRCC5/Ku86 to the small-subunit processome (PubMed:32103174). Plays a role in the regulation of DNA virus-mediated innate immune response by assembling into the HDP-RNP complex, a complex that serves as a platform for IRF3 phosphorylation and subsequent innate immune response activation through the cGAS-STING pathway (PubMed:28712728).
Cellular Location Nucleus. Nucleus, nucleolus. Chromosome
Research Areas
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References

1. Breast Cancer Res. 2009;11(6):R83. 2. Biochem Biophys Res Commun. 2009 Dec 18;390(3):738-42.

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$ 385.00
Cat# AO1587a
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