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AB174575

Anti-DNA PKcs antibody [Y393] - BSA and Azide free

  • RabMAb
  • Advanced Validation
  • Recombinant
  • KO Validated
  • What is this?

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(1 Publication)

Knockout Tested Rabbit Recombinant Monoclonal DNA PKcs antibody. Carrier free. Suitable for ChIC/CUT&RUN-seq, WB, ICC/IF, IHC-P and reacts with Human samples. Cited in 1 publication.

View Alternative Names

HYRC, HYRC1, PRKDC, DNA-dependent protein kinase catalytic subunit, DNA-PK catalytic subunit, DNA-PKcs, DNPK1, Ser-473 kinase, p460, S473K

7 Images
Immunocytochemistry/ Immunofluorescence - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)
  • ICC/IF

Lab

Immunocytochemistry/ Immunofluorescence - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)

Immunofluorescent staining of HeLa cells (fixed with 4% PFA) with unpurified ab32566 at a dilution of 1/10. An Alexa Fluor® 555 goat anti-rabbit antibody was used as the secondary at a dilution of 1/200. The panel on the right shows the DAPI counter-staining.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab32566).

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)

Immunohistochemical staining of paraffin embedded human tonsil with unpurified ab32566 at a working dilution of 1 in 5. The secondary antibody used is a HRP polymer for rabbit IgG. The sample is counter-stained with hematoxylin. Antigen retrieval was perfomed using Tris-EDTA buffer, pH 9.0.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab32566).

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)

Unpurified ab32566, at a 1/50 dilution, staining DNA PKcs in paraffin embedded human breast carcinoma tissue by immunohistochemistry.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab32566).

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)

Immunohistochemical staining of paraffin embedded human tonsil with purified ab32566 at a working dilution of 1 in 50. The secondary antibody used is a HRP polymer for rabbit IgG. The sample is counter-stained with hematoxylin. Antigen retrieval was perfomed using Tris-EDTA buffer, pH 9.0.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab32566).

Immunocytochemistry/ Immunofluorescence - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)
  • ICC/IF

Lab

Immunocytochemistry/ Immunofluorescence - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)

Immunofluorescent staining of HeLa cells (fixed with 4% PFA) with purified ab32566 at a dilution of 1/100. An Alexa Fluor® 555 goat anti-rabbit antibody was used as the secondary at a dilution of 1/200. The panel on the right shows the DAPI counter-staining.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab32566).

Western blot - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)
  • WB

Lab

Western blot - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab32566). False colour image of Western blot : Anti-DNA PKcs antibody [Y393] staining at 1/1000 dilution, shown in green; Mouse anti-CANX [CANX/1543] (ab238078) loading control staining at 1/20000 dilution, shown in red. In Western blot, ab32566 was shown to bind specifically to DNA PKcs. A band was observed at 450 kDa in wild-type A549 cell lysates with no signal observed at this size in PRKDC knockout cell line. To generate this image, wild-type and PRKDC knockout A549 cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 3 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L 800CW and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution.

All lanes:

Western blot - Anti-DNA PKcs antibody [Y393] (<a href='/en-us/products/primary-antibodies/dna-pkcs-antibody-y393-ab32566'>ab32566</a>) at 1/1000 dilution

Lane 1:

Wild-type A549 cell lysate at 20 µg

Lane 2:

PRKDC knockout A549 cell lysate at 20 µg

Lane 2:

Western blot - Human PRKDC knockout A549 cell line (<a href='/en-us/products/cell-lines/human-prkdc-knockout-a549-cell-line-ab276100'>ab276100</a>)

Lane 3:

K562 cell lysate at 20 µg

Lane 4:

HDLM-2 cell lysate at 20 µg

Secondary

All lanes:

Goat anti-Rabbit IgG H&L 800CW and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution

Predicted band size: 469 kDa

Observed band size: 450 kDa

false

ChIC/CUT&RUN sequencing - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)
  • ChIC/CUT&RUN-seq

Supplier Data

ChIC/CUT&RUN sequencing - Anti-DNA PKcs antibody [Y393] - BSA and Azide free (AB174575)

ChIC/CUT&RUN was performed using a pAG-MNAse at a final concentration of 700 ng/mL, 2 x 10^5 U2OS cells and 5 µg of ab ab32566 [Y393]. The resulting DNA was sequenced on the Illumina NovaSeq 6000 to a depth of 10 million reads. The negative IgG control ab172730 is also shown. Additional screenshots of mapped reads can be found in the Protocol booklet in the Product Protocol section. The University of Geneva owns patents relevant to ChIC (Chromatin Immuno-Cleavage) methods. This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab32566).

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

Y393

Isotype

IgG

Carrier free

Yes

Reacts with

Human

Applications

ICC/IF, ChIC/CUT&RUN-seq, WB, IHC-P

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Specificity

This antibody is specific for DNA PKcs. It may also detect the splice isoform 2.

Mouse and rat species are recommended based on WB results, we do not guarantee IHC-P for mouse and rat.

Reactivity data

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Product details

ab174575 is the carrier-free version of ab32566.

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
Constituents: PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
Do Not Freeze

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

DNA-dependent protein kinase catalytic subunit often abbreviated as DNA-PKcs or PKcs is an important component in the cellular machinery responsible for DNA repair. This protein weighs approximately 470 kDa and is predominantly expressed in various tissue types with higher levels found in lymphoid tissues. The DNA-PKcs functions as a serine/threonine protein kinase and becomes active upon binding to DNA contributing to its role in maintaining genome integrity.
Biological function summary

DNA-PKcs plays an essential role in the non-homologous end joining (NHEJ) repair pathway which repairs double-strand breaks in DNA. DNA-PKcs forms a complex with the Ku70/80 heterodimer serving as a critical component of the DNA repair mechanism. This complex recognizes DNA ends facilitates their synapsis and activates other enzymes involved in ligating the broken DNA strands therefore promoting cellular survival following DNA damage.

Pathways

DNA-PKcs deeply integrates into the DNA damage response pathway. It collaborates closely with proteins such as ATM (ataxia-telangiectasia mutated) to sense DNA damage and initiate repair. DNA-PKcs is involved in V(D)J recombination vital for the generation of diverse antibodies in immune cells. Its activity is essential for coordinating with other proteins including XRCC4 and Ligase IV to ensure efficient DNA repair processes are executed.

Defects in DNA-PKcs are linked to severe combined immunodeficiency (SCID) due to its central role in V(D)J recombination. Dysfunction in its pathway also relates to cancer where impaired DNA repair mechanisms substantially increase genomic instability leading to tumorigenesis. DNA-PKcs interacts with other proteins like BRCA1 and p53 in tumors where its overexpression or mutations can contribute to resistance against radiation and chemotherapeutic agents. These interactions highlight the importance of DNA-PK inhibitors as potential therapeutic strategies in oncology.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Serine/threonine-protein kinase that acts as a molecular sensor for DNA damage (PubMed : 11955432, PubMed : 12649176, PubMed : 14734805, PubMed : 33854234). Involved in DNA non-homologous end joining (NHEJ) required for double-strand break (DSB) repair and V(D)J recombination (PubMed : 11955432, PubMed : 12649176, PubMed : 14734805, PubMed : 33854234, PubMed : 34352203). Must be bound to DNA to express its catalytic properties (PubMed : 11955432). Promotes processing of hairpin DNA structures in V(D)J recombination by activation of the hairpin endonuclease artemis (DCLRE1C) (PubMed : 11955432). Recruited by XRCC5 and XRCC6 to DNA ends and is required to (1) protect and align broken ends of DNA, thereby preventing their degradation, (2) and sequester the DSB for repair by NHEJ (PubMed : 11955432, PubMed : 12649176, PubMed : 14734805, PubMed : 15574326, PubMed : 33854234). Act as a scaffold protein to aid the localization of DNA repair proteins to the site of damage (PubMed : 11955432, PubMed : 12649176, PubMed : 14734805, PubMed : 15574326). The assembly of the DNA-PK complex at DNA ends is also required for the NHEJ ligation step (PubMed : 11955432, PubMed : 12649176, PubMed : 14734805, PubMed : 15574326). Found at the ends of chromosomes, suggesting a further role in the maintenance of telomeric stability and the prevention of chromosomal end fusion (By similarity). Also involved in modulation of transcription (PubMed : 11955432, PubMed : 12649176, PubMed : 14734805, PubMed : 15574326). 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). Recognizes the substrate consensus sequence [ST]-Q (PubMed : 11955432, PubMed : 12649176, PubMed : 14734805, PubMed : 15574326). Phosphorylates 'Ser-139' of histone variant H2AX, thereby regulating DNA damage response mechanism (PubMed : 14627815, PubMed : 16046194). Phosphorylates ASF1A, DCLRE1C, c-Abl/ABL1, histone H1, HSPCA, c-jun/JUN, p53/TP53, PARP1, POU2F1, DHX9, FH, SRF, NHEJ1/XLF, XRCC1, XRCC4, XRCC5, XRCC6, WRN, MYC and RFA2 (PubMed : 10026262, PubMed : 10467406, PubMed : 11889123, PubMed : 12509254, PubMed : 14599745, PubMed : 14612514, PubMed : 14704337, PubMed : 15177042, PubMed : 1597196, PubMed : 16397295, PubMed : 18644470, PubMed : 2247066, PubMed : 2507541, PubMed : 26237645, PubMed : 26666690, PubMed : 28712728, PubMed : 29478807, PubMed : 30247612, PubMed : 8407951, PubMed : 8464713, PubMed : 9139719, PubMed : 9362500). Can phosphorylate C1D not only in the presence of linear DNA but also in the presence of supercoiled DNA (PubMed : 9679063). Ability to phosphorylate p53/TP53 in the presence of supercoiled DNA is dependent on C1D (PubMed : 9363941). Contributes to the determination of the circadian period length by antagonizing phosphorylation of CRY1 'Ser-588' and increasing CRY1 protein stability, most likely through an indirect mechanism (By similarity). 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). Also regulates the cGAS-STING pathway by catalyzing phosphorylation of CGAS, thereby impairing CGAS oligomerization and activation (PubMed : 33273464). Also regulates the cGAS-STING pathway by mediating phosphorylation of PARP1 (PubMed : 35460603).
See full target information PRKDC

Publications (1)

Recent publications for all applications. Explore the full list and refine your search

Digestive diseases and sciences 58:2466-77 PubMed23873382

2013

Mesenchymal stem cells utilize CXCR4-SDF-1 signaling for acute, but not chronic, trafficking to gastric mucosal inflammation.

Applications

Unspecified application

Species

Unspecified reactive species

Calin Stoicov,Hanchen Li,Jian Hua Liu,JeanMarie Houghton
View all publications
chicCutRunSequencingBooklet
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