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500ug
| 产品编号 | bs-3734P |
| 英文名称 | phospho-PRKDC (Ser2056) Antibody Blocking Peptide |
| 中文名称 | 磷酸化DNA依赖性蛋白激酶封闭多肽 |
| 英文别名 | DNA PK (phospho S2056); p-DNA PK (phospho S2056); PRKDC (phospho T2056); DNA-dependent protein kinase catalytic subunit; DNA-PK catalytic subunit; DNA-PKcs; DNA PKcs; DNPK1; p460; PRKDC; HYRC; HYRC1; Variant; DNAPK; DNAPK catalytic subunit; p350; PRKDC; Protein Kinase DNA Activated Catalytic Polypeptide; XRCC 7; XRCC7; PRKDC_HUMAN. |
| 纯化方法 | HPLC |
| 研究领域 | Epigenetics and Nuclear Signaling > DNA / RNA > DNA Damage & Repair > DNA Damage Response > DNA Damage Recognition Epigenetics and Nuclear Signaling > DNA / RNA > DNA Damage & Repair > Non Homol. End Joining |
| 亚基 | DNA-PK is a heterotrimer of PRKDC and the Ku p70-p86 (XRCC6-XRCC5) dimer. Formation of this complex may be promoted by interaction with ILF3. Associates with the DNA-bound Ku heterodimer, but it can also bind to and be activated by free DNA. Interacts with DNA-PKcs-interacting protein (KIP) with the region upstream the kinase domain. PRKDC alone also interacts with and phosphorylates DCLRE1C, thereby activating the latent endonuclease activity of this protein. Interacts with C1D. Interacts with TTI1 and TELO2. |
| 亚细胞定位 | Nucleus. |
| 翻译后修饰 | Phosphorylated upon DNA damage, probably by ATM or ATR. Autophosphorylated on Thr-2609, Thr-2638 and Thr-2647. Thr-2609 is a DNA damage-inducible phosphorylation site (inducible with ionizing radiation, IR). Autophosphorylation induces a conformational change that leads to remodeling of the DNA-PK complex, requisite for efficient end processing and DNA repair._x000D_
S-nitrosylated by GAPDH. |
| 相似性 | Belongs to the PI3/PI4-kinase family._x000D_
Contains 1 FAT domain._x000D_ Contains 1 FATC domain._x000D_ Contains 2 HEAT repeats._x000D_ Contains 1 PI3K/PI4K domain._x000D_ Contains 3 TPR repeats |
| 功能 | Serine/threonine-protein kinase that acts as a molecular sensor for DNA damage. Involved in DNA nonhomologous end joining (NHEJ) required for double-strand break (DSB) repair and V(D)J recombination. Must be bound to DNA to express its catalytic properties. Promotes processing of hairpin DNA structures in V(D)J recombination by activation of the hairpin endonuclease artemis DCLRE1C). The assembly of the DNA-PK complex at DNA ends is also required for the NHEJ ligation step. Required to protect and align broken ends of DNA. May also act as a scaffold protein to aid the localization of DNA repair proteins to the site of damage. Found at the ends of chromosomes, suggesting a further role in the maintenance of telomeric stability and the prevention of chromosomal end fusion. Also involved in modulation of transcription. Recognizes the substrate consensus sequence [ST]-Q. Phosphorylates 'Ser-139' of histone variant H2AX/H2AFX, thereby regulating DNA damage response mechanism. Phosphorylates DCLRE1C, c-Abl/ABL1, histone H1, HSPCA, c-jun/JUN, p53/TP53, PARP1, POU2F1, DHX9, SRF, XRCC1, XRCC1, XRCC4, XRCC5, XRCC6, WRN, MYC and RFA2. Can phosphorylate C1D not only in the presence of linear DNA but also in the presence of supercoiled DNA. Ability to phosphorylate p53/TP53 in the presence of supercoiled DNA is dependent on C1D. |
| 保存条件 | Shipped at 4℃. Stored at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 背景资料 | This gene encodes the catalytic subunit of the DNA-dependent protein kinase (DNA-PK). It functions with the Ku70/Ku80 heterodimer protein in DNA double strand break repair and recombination. The protein encoded is a member of the PI3/PI4-kinase family.[provided by RefSeq, Jul 2010] |
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文献和实验Mapping Protein‐Protein Interactions with Phage‐Displayed Combinatorial Peptide Libraries
. Fack, F., Deroo, S., Kreis, S., and Muller, C.P. 2000. Heteroduplex mobility assay (HMA) pre‐screening: An improved strategy for the rapid identification of inserts selected from phage‐displayed peptide
) DNA‐STV conjugates S.1 (Table 12.7.4 ; see protocol 1 or Chimera Biotec) TE buffer, pH 7.5 ( appendix 2A )
Bromodeoxyuridine Immunohistochemistry
utilizing VectaStain kits from Vector Laboratories with some alteration to the manufacturer''s instructions. 10. Block 30 min. RT Prepare blocking reagent: add 1 drop of normal horse serum in 3.3 ml 1X PBS and vortex well. 11. Diluted Mouse anti
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