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XRCC5 (Ku86 / Ku80) (Thyroid-Lupus Autoantigen) Antibody [XRCC5/7317]

Additional information

Catalog Number: 7520-MSM7
Reactivity:

Gene:

Host:

In Stock

Trial Size Available

Carrier-Free Available

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In Stock
Catalog Number Formulation Size Price
7520-MSM7-P0
Purified Ab with BSA and Azide at 200ug/ml
20ug
$259.00
7520-MSM7-P1
Purified Ab with BSA and Azide at 200ug/ml
100ug
$559.00
7520-MSM7-P1ABX
Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
100ug
$559.00
Flat Rate Domestic: $95 | Orders outside the US - Contact Us for Order Information | Ships next business day
XRCC5 (Ku86 / Ku80) (Thyroid-Lupus Autoantigen) Antibody

Formalin-fixed, paraffin-embedded human lymph node stained with XRCC5 / Ku86 / Ku80 Mouse Monoclonal Antibody (XRCC5/7317). HIER: Tris/EDTA, pH9.0, 45min. 2 °: HRP-polymer, 30min. DAB, 5min.

XRCC5 (Ku86 / Ku80) (Thyroid-Lupus Autoantigen) Antibody - Image 2

Formalin-fixed, paraffin-embedded human kidney stained with XRCC5 / Ku86 / Ku80 Mouse Monoclonal Antibody (XRCC5/7317). HIER: Tris/EDTA, pH9.0, 45min. 2 °: HRP-polymer, 30min. DAB, 5min.

XRCC5 (Ku86 / Ku80) (Thyroid-Lupus Autoantigen) Antibody - Image 3

Western blot analysis of MOLT-4 and HEK293 cell lysates using XRCC5 / Ku86 / Ku80 Mouse Monoclonal Antibody (XRCC5/7317).

XRCC5 (Ku86 / Ku80) (Thyroid-Lupus Autoantigen) Antibody - Image 4

Formalin-fixed, paraffin-embedded human colon carcinoma stained with XRCC5 / Ku86 / Ku80 Mouse Monoclonal Antibody (XRCC5/7317). HIER: Tris/EDTA, pH9.0, 45min. 2 °: HRP-polymer, 30min. DAB, 5min.

XRCC5 Antibody in SDS-PAGE

XRCC5 Antibody in SDS-PAGE

SDS-PAGE Analysis of Purified X-ray repair cross-complementing protein 5 Mouse Monoclonal Antibody (XRCC5/7317). Confirmation of Purity and Integrity of Antibody.

XRCC5 Antibody in SDS-PAGE

XRCC5 Antibody in SDS-PAGE

SDS-PAGE Analysis of Purified X-ray repair cross-complementing protein 5 Mouse Monoclonal Antibody (XRCC5/7317). Confirmation of Purity and Integrity of Antibody.

  • IHC
  • WB
  • Documents
  • Applications & Dilutions
  • Product Properties
  • other information

Documents

Document Name
Datasheet Download Here
Material Safety Data Sheet Download Here

Applications & Dilutions

Applications Tested Dilutions Protocol Note
Immunohistochemistry (IHC) 1-2ug/ml IHC Protocol 30 min at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95°C followed by cooling at RT for 20 minutes
Western Blot (WB) 2-4ug/ml Western Blot Protocol

Product Properties

Antibody Type
Mouse Monoclonals
Host
Mouse
Applications
Immunohistochemistry, Western Blot
Species Reactivity
Human
Clone
XRCC5/7317
Isotype
IgG1
Light Chain
Kappa
Cellular Localization
Chromosome, Nucleolus, Nucleus
Gene Name
XRCC5
Positive Control
HeLa, MCF-7 or HT29 cells. Human thyroid or lymph node., Molt-4
Immunogen
Recombinant fragment (around aa300-500) of human XRCC5 (exact sequence is proprietary)
Storage & Stability
Antibody with azide - store at 2 to 8 °C. Antibody without azide - store at -20 to -80 °C. Antibody is stable for 24 months. Non-hazardous. No MSDS required.
Supplied as
200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.
Limitations
This antibody is available for research use only and is not approved for use in diagnosis.

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Other Information

Functions
  • 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 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).
Key References
  • Mimori, T., et al. 1981. Characterization of a high molecular weight acidic nuclear protein recognized by autoantibodies in sera from patients with polymyositis-scleroderma overlap. J. Clin. Invest. 68: 611-620.
PubMed Links
Warranty
There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.
Entrez Gene ID
7520
SwissProt
P13010
Chromosome Location
2q35
Mol. Weight of Antigen
80-86kDa
Alternate Names
X-ray repair cross-complementing protein 5, 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, DNA repair protein XRCC5, Ku80, Ku86, Lupus Ku autoantigen protein p86, Nuclear factor IV, Thyroid-lupus autoantigen, X-ray repair complementing defective repair in Chinese hamster cells 5 (double-strand-break rejoining), ATP-dependent DNA helicase II 80kDa subunit; CTC box-binding factor 85kDa subunit (CTC85); CTCBF; DNA repair protein XRCC5; KARP1; Ku autoantigen 80kDa; Ku80; Ku86; KUB2; Lupus Ku autoantigen protein p86; Nuclear factor IV (NFIV); Thyroid-lupus autoantigen; TLAA; X-ray repair cross-complementing protein 5 (XRCC5)

Summary

The Ku protein is localized in the nucleus and is composed of subunits referred to as Ku-70 (or p70) and Ku-86 or (p86) which is also known by the synonym Ku-80 or (p80). Ku was first described as an autoantigen to which antibodies were produced in a patient with scleroderma-polymyositis overlap syndrome, and was later found in the sera of patients with other rheumatic diseases. Ku has several functions, including cell signaling, DNA replication and transcriptional activation. Ku is involved in Pol II-directed transcription by virtue of its DNA binding activity; serving as the regulatory component of the DNA-associated protein kinase that phosphorylates Pol II and transcription factor Sp. Ku proteins also activate transcription from the U1 small nuclear RNA and the human transferrin receptor gene promoters.

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