Ku70 (Lupus Ku autoantigen protein 70; also ATP-dependent DNA helicase 2 subunit 1) is a ubiquitous 70‑75 kDa nuclear protein that serves as a component of the DNA-dependent protein kinase complex DNA-PK. In particular, it heterodimerizes with Ku80 to form a complex that binds DNA ends and select sequences, and which recruits DNA-PKcs for the purpose of phosphorylating multiple chromatin-bound proteins, including p53, Oct-1 and Sp-1. The Ku:DNA-PKcs complex participates in DNA repair, DNA replication, and VDJ recombination. Human Ku70 is 609 amino acids (aa) in length. It contains a Ku core domain (aa 266‑529), a DNA binding motif (aa 268‑274), an NLS (aa 539‑556) and a C-terminal SAP domain (aa 573‑607). There is one potential splice form that shows a deletion of aa 66‑106. Over aa 405‑556, Ku70 shares 83% aa identity with mouse Ku70.
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Key Product Details
Species Reactivity
Applications
Label
Antibody Source
Product Specifications
Immunogen
Asn405-Lys556
Accession # P12956
Specificity
Clonality
Host
Isotype
Scientific Data Images for Human Ku70/XRCC6 Antibody
Detection of Human Ku70/XRCC6 by Western Blot.
Western blot shows lysates of Raji human Burkitt's lymphoma cell line, MCF-7 human breast cancer cell line, and HEK293 human embryonic kidney cell line. PVDF membrane was probed with 1 µg/mL of Human Ku70/XRCC6 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5597) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for Ku70/XRCC6 at approximately 70 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.Applications for Human Ku70/XRCC6 Antibody
Western Blot
Sample: Raji human Burkitt's lymphoma cell line, MCF-7 human breast cancer cell line, and HEK293 human embryonic kidney cell line
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: Ku70/XRCC6
Long Name
Alternate Names
Entrez Gene IDs
Gene Symbol
UniProt
Additional Ku70/XRCC6 Products
Product Documents for Human Ku70/XRCC6 Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Ku70/XRCC6 Antibody
For research use only
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars