R Recombinant
Recombinant: Superior lot-to-lot consistency, continuous supply, and animal-free manufacturing.
DNA-PKcs (E6U3A) Rabbit mAb (BSA and Azide Free) #58268
Filter:
- WB
- IHC
- IF
- F
Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Endogenous |
| MW (kDa) | 450 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IHC-Immunohistochemistry
- IF-Immunofluorescence
- F-Flow Cytometry
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
This product is the carrier free version of product #38168. All data were generated using the same antibody clone in the standard formulation which contains BSA and glycerol.
This formulation is ideal for use with technologies requiring specialized or custom antibody labeling, including fluorophores, metals, lanthanides, and oligonucleotides. It is not recommended for ChIP, ChIP-seq, CUT&RUN or CUT&Tag assays. If you require a carrier free formulation for chromatin profiling, please contact us. Optimal dilutions/concentrations should be determined by the end user.
BSA and Azide Free antibodies are quality control tested by size exclusion chromatography (SEC) to determine antibody integrity.
This formulation is ideal for use with technologies requiring specialized or custom antibody labeling, including fluorophores, metals, lanthanides, and oligonucleotides. It is not recommended for ChIP, ChIP-seq, CUT&RUN or CUT&Tag assays. If you require a carrier free formulation for chromatin profiling, please contact us. Optimal dilutions/concentrations should be determined by the end user.
BSA and Azide Free antibodies are quality control tested by size exclusion chromatography (SEC) to determine antibody integrity.
Formulation
Supplied in 1X PBS (10 mM Na2HPO4, 3 mM KCl, 2 mM KH2PO4, and 140 mM NaCl (pH 7.8)). BSA and Azide Free.
For standard formulation of this product see product #38168
For standard formulation of this product see product #38168
Storage
Store at -20°C. This product will freeze at -20°C so it is recommended to aliquot into single-use vials to avoid multiple freeze/thaw cycles. A slight precipitate may be present and can be dissolved by gently vortexing. This will not interfere with antibody performance.
Specificity / Sensitivity
DNA-PKcs (E6U3A) Rabbit mAb (BSA and Azide Free) recognizes endogenous levels of total DNA-PKcs protein.
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro608 of human DNA-PKcs protein.
Background
DNA-dependent protein kinase (DNA-PK) is an important factor in the repair of double-stranded breaks in DNA. Cells lacking DNA-PK or in which DNA-PK is inhibited fail to show proper nonhomologous end-joining (NHEJ) (1-7). DNA-PK is composed of two DNA-binding subunits (Ku70 and Ku86) and one 450 kDa catalytic subunit (DNA-PKcs) (8). It is thought that a heterodimer of Ku70 and Ku86 binds to double-stranded DNA broken ends before DNA-PKcs binds and is activated (1,9). Activated DNA-PKcs is a serine/threonine kinase that has been shown to phosphorylate a number of proteins in vitro, including p53, transcription factors, RNA polymerase, and Ku70/Ku86 (10,11). DNA-PKcs autophosphorylation at multiple sites, including Thr2609 and Ser2056, results in an inactivation of DNA-PK kinase activity and NHEJ ability (12,13). It has been demonstrated, however, that DNA-PK preferentially phosphorylates substrates before it autophosphorylates, suggesting that DNA-PK autophosphorylation may play a role in disassembly of the DNA repair machinery (14,15). Autophosphorylation at Thr2609 has also been shown to be required for DNA-PK-mediated double-strand break repair, and phosphorylated DNA-PK co-localizes with H2A.X and 53BP1 at sites of DNA damage (16). Phosphorylation at Ser2056 occurs in response to double-stranded DNA breaks and ATM activation (17).
- Gottlieb, T.M. and Jackson, S.P. (1993) Cell 72, 131-42.
- Hartley, K.O. et al. (1995) Cell 82, 849-56.
- Rosenzweig, K.E. et al. (1997) Clin Cancer Res 3, 1149-56.
- Jackson, S.P. and Jeggo, P.A. (1995) Trends Biochem Sci 20, 412-5.
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- Baumann, P. and West, S.C. (1998) Proc Natl Acad Sci U S A 95, 14066-70.
- Chen, S. et al. (2001) J Biol Chem 276, 24323-30.
- Jeggo, P.A. (1997) Mutat Res 384, 1-14.
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- Douglas, P. et al. (2002) Biochem. J. 368, 243-51.
- Lees-Miller, S.P. et al. (1992) Mol Cell Biol 12, 5041-9.
- Jackson, S.P. et al. (1990) Cell 63, 155-65.
- Chan, D.W. et al. (2002) Genes Dev 16, 2333-8.
- Yajima, H. et al. (2009) J Mol Biol 385, 800-10.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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