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AB70369

Anti-KAP1 (phospho S824) antibody

5

(6 Reviews)

|

(80 Publications)

Anti-KAP1 (phospho S824) antibody (ab70369) is a rabbit polyclonal antibody detecting KAP1 in Western Blot, IP, IHC-P. Suitable for Human.

- Over 60 publications
- Trusted since 2008

View Alternative Names

KAP1, RNF96, TIF1B, TRIM28, Transcription intermediary factor 1-beta, TIF1-beta, E3 SUMO-protein ligase TRIM28, KRAB-associated protein 1, KRAB-interacting protein 1, Nuclear corepressor KAP-1, RING finger protein 96, RING-type E3 ubiquitin transferase TIF1-beta, Tripartite motif-containing protein 28, KAP-1, KRIP-1

6 Images
Immunocytochemistry - Anti-KAP1 (phospho S824) antibody (AB70369)
  • ICC

Unknown

Immunocytochemistry - Anti-KAP1 (phospho S824) antibody (AB70369)

Detection of KAP1 (phospho S824) by ab70369 (1 : 200) in NBF-fixed HeLa cells by Immunocytochemistry. Cells were treated with etoposide (left) and untreated (right). Red fluorescent anti-rabbit IgG dylight 594 conjugated was used as a secondary antibody at 1/100 dilution.

Immunocytochemistry - Anti-KAP1 (phospho S824) antibody (AB70369)
  • ICC

AbReview29889****

Immunocytochemistry - Anti-KAP1 (phospho S824) antibody (AB70369)

ab70369 staining KAP1 (phospho S824) (red) in Human U2OS cells by ICC/IF (Immunocytochemistry/immunofluorescence). Cells were treated with 1 μM Etoposide for 3 hours prior to fixing. Cells were fixed with formaldehyde, permeabilized in 0.5% NP40 and blocked with 3% BSA for 2 hours at 21°C. Samples were incubated with primary antibody (1/1000 in PBS + 3% BSA) for 12 hours at 4°C. An Alexa Fluor®594-conjugated Mouse anti-rabbit IgG monoclonal (1/500) was used as the secondary antibody.

This image is courtesy of an Abreview submitted by Ms. Can Zhou

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-KAP1 (phospho S824) antibody (AB70369)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-KAP1 (phospho S824) antibody (AB70369)

Detection of human Phospho KAP-1 (S824) using FFPE serial sections of asynchronous etoposide treated HeLa cells with MOCK CIP treatment (left) and etoposide treated HeLa cells with CIP treatment (right). Antibody : Affinity purified rabbit anti-Phospho KAP-1 (S824) ab70369 used at a dilution of 1 : 200 (1 µg/ml).

Detection : DAB

Immunoprecipitation - Anti-KAP1 (phospho S824) antibody (AB70369)
  • IP

Supplier Data

Immunoprecipitation - Anti-KAP1 (phospho S824) antibody (AB70369)

Detection of Human KAP1 (phospho S824) by Western Blot of Immunoprecipitates.

Whole cell lysate (1.0 mg per IP reaction; 10% of IP loaded) from HEK293T cells treated with 100 µM etoposide (+) or mock treated (-). Antibodies : Affinity purified rabbit anti-phospho KAP-1 (S824) antibody ab70369 and rabbit anti-KAP-1 recombinant monoclonal antibody ab243871 used for IP at 6 µg per reaction. For blotting immunoprecipitated Phospho KAP-1 (S824), ab70369 was used at 0.04 µg/ml.

Detection : Chemiluminescence with an exposure time of 1 second.

All lanes:

Immunoprecipitation - Anti-KAP1 (phospho S824) antibody (ab70369) at 0.04 µg/mL

Lane 1:

HEK293T cells treated with 100 µM etoposide (+)

Lane 2:

HEK293T cells mock treated (-)

Secondary

All lanes:

Goat anti-Rabbit Light Chain HRP Conjugate

Observed band size: 100-105 kDa

false

Exposure time: 1s

Western blot - Anti-KAP1 (phospho S824) antibody (AB70369)
  • WB

Supplier Data

Western blot - Anti-KAP1 (phospho S824) antibody (AB70369)

Whole cell lysate (10 µg) from HEK293T cells treated with 100 µM etoposide (+) or mock treated (-). ab70369 was used for WB at 0.04 µg/ml. Detection : Chemiluminescence with an exposure time of 30 seconds. Lower Panel : ab243871, Anti-KAP1 antibody [BL-248-2G6].

All lanes:

Western blot - Anti-KAP1 (phospho S824) antibody (ab70369) at 0.04 µg/mL

Lane 1:

HEK293T cells mock treated (-)

Lane 2:

HEK293T cells treated with 100 µM etoposide (+)

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>)

Observed band size: 100-105 kDa

false

Exposure time: 10s

Western blot - Anti-KAP1 (phospho S824) antibody (AB70369)
  • WB

Supplier Data

Western blot - Anti-KAP1 (phospho S824) antibody (AB70369)

Whole cell lysate (10 µg) from NIH 3T3 cells treated with 100 µM etoposide (+) or mock treated (-). ab70369 was used for WB at 0.04 µg/ml. Detection : Chemiluminescence with an exposure time of 30 seconds. Lower Panel : ab243871, Anti-KAP1 antibody [BL-248-2G6].

All lanes:

Western blot - Anti-KAP1 (phospho S824) antibody (ab70369) at 0.04 µg/mL

Lane 1:

NIH 3T3 cells mock treated (-)

Lane 2:

NIH 3T3 cells treated with 100 µM etoposide (+)

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>)

Observed band size: 100-105 kDa

false

Exposure time: 30s

Key facts

Host species

Rabbit

Clonality

Polyclonal

Isotype

IgG

Carrier free

No

Reacts with

Human, Mouse

Applications

IHC-P, ICC, IP, WB

applications

Immunogen

Synthetic Peptide within Human TRIM28 phospho S824. The exact immunogen used to generate this antibody is proprietary information.

Q13263

Reactivity data

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Product details

What is this antibody validated in?
Anti-KAP1 (phospho S824) antibody (ab70369) is a rabbit polyclonal antibody and is validated for use in Western Blot (WB), Immunoprecipitation (IP), Immunohistochemistry (IHC-P) in Human samples.

What is the molecular weight of KAP1?
Anti-KAP1 (phospho S824) (ab70369) specifically detects a band for KAP1 (UniProt: Q13263) at a molecular weight of 89kDa.

Trusted by the scientific community
Anti-KAP1 (phospho S824) (ab70369) was first used in a scientific publication in 2008 and has been cited over 60 times in peer-reviewed journals.

Reviewed by scientists
Anti-KAP1 (phospho S824) (ab70369) has over 5 independent reviews from customers.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Immunogen
Storage buffer
pH: 6.8 - 7.4 Preservative: 0.09% Sodium azide Constituents: Tris buffered saline, 0.1% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle|Do Not Freeze

Supplementary information

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

KAP1 also known as TRIM28 or TIF1Β is a multifunctional protein involved in transcriptional regulation. It has a molecular weight of approximately 87 kDa. This protein is expressed in a wide variety of human tissues where it plays a role as a co-repressor for KRAB domain-containing zinc finger proteins. KAP1 recruits various epigenetic modifiers to silence transcription and this activity depends on its phosphorylation status. You might explore KAP1 using KAP1 ELISA kits and study its post-translational modifications like phosphorylation in various conditions.
Biological function summary

KAP1 acts as a scaffold protein facilitating the assembly of large protein complexes that include chromatin remodelers and histone deacetylases. It is significant in maintaining chromatin structure and mediating gene silencing. KAP1 phosphorylation serves as a switch between its roles in transcriptional repression and activation. This protein also interacts with heterochromatin protein 1 (HP1) and other TRIM family proteins playing an important role in genomic stability by controlling gene expression and repair mechanisms.

Pathways

KAP1 participates actively in p53 and DNA damage response pathways. In the p53 pathway KAP1 regulates genes involved in the cell cycle and apoptosis acting in conjunction with the p53 protein. Within the DNA damage response KAP1 modulates the repair of double-strand breaks by interacting with proteins like ATM kinase influencing cellular sensitivity to genotoxic stress. These pathways highlight its importance in maintaining cellular homeostasis and response to external stimuli.

KAP1 has known connections with cancer and neurological disorders due to its regulatory effects on gene expression and genome stability. In cancer aberrant KAP1 activity can lead to unregulated cell proliferation and survival often involving changes in its interaction with the p53 protein. In neurological disorders dysregulation of KAP1 is associated with impaired neural development and neurodegeneration. Altogether these associations highlight KAP1 as a potential target for therapeutic interventions in related diseases.

Product protocols

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

Target data

Nuclear corepressor for KRAB domain-containing zinc finger proteins (KRAB-ZFPs). Mediates gene silencing by recruiting CHD3, a subunit of the nucleosome remodeling and deacetylation (NuRD) complex, and SETDB1 (which specifically methylates histone H3 at 'Lys-9' (H3K9me)) to the promoter regions of KRAB target genes. Enhances transcriptional repression by coordinating the increase in H3K9me, the decrease in histone H3 'Lys-9 and 'Lys-14' acetylation (H3K9ac and H3K14ac, respectively) and the disposition of HP1 proteins to silence gene expression. Recruitment of SETDB1 induces heterochromatinization. May play a role as a coactivator for CEBPB and NR3C1 in the transcriptional activation of ORM1. Also a corepressor for ERBB4. Inhibits E2F1 activity by stimulating E2F1-HDAC1 complex formation and inhibiting E2F1 acetylation. May serve as a partial backup to prevent E2F1-mediated apoptosis in the absence of RB1. Important regulator of CDKN1A/p21(CIP1). Has E3 SUMO-protein ligase activity toward itself via its PHD-type zinc finger. Also specifically sumoylates IRF7, thereby inhibiting its transactivation activity. Ubiquitinates p53/TP53 leading to its proteasomal degradation; the function is enhanced by MAGEC2 and MAGEA2, and possibly MAGEA3 and MAGEA6. Mediates the nuclear localization of KOX1, ZNF268 and ZNF300 transcription factors. In association with isoform 2 of ZFP90, is required for the transcriptional repressor activity of FOXP3 and the suppressive function of regulatory T-cells (Treg) (PubMed : 23543754). Probably forms a corepressor complex required for activated KRAS-mediated promoter hypermethylation and transcriptional silencing of tumor suppressor genes (TSGs) or other tumor-related genes in colorectal cancer (CRC) cells (PubMed : 24623306). Required to maintain a transcriptionally repressive state of genes in undifferentiated embryonic stem cells (ESCs) (PubMed : 24623306). In ESCs, in collaboration with SETDB1, is also required for H3K9me3 and silencing of endogenous and introduced retroviruses in a DNA-methylation independent-pathway (By similarity). Associates at promoter regions of tumor suppressor genes (TSGs) leading to their gene silencing (PubMed : 24623306). The SETDB1-TRIM28-ZNF274 complex may play a role in recruiting ATRX to the 3'-exons of zinc-finger coding genes with atypical chromatin signatures to establish or maintain/protect H3K9me3 at these transcriptionally active regions (PubMed : 27029610).. (Microbial infection) Plays a critical role in the shutdown of lytic gene expression during the early stage of herpes virus 8 primary infection. This inhibition is mediated through interaction with herpes virus 8 protein LANA1.
See full target information TRIM28 phospho S824

Publications (80)

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

Nature communications 16:8476 PubMed41006228

2025

EXO1 as a therapeutic target for Fanconi Anaemia, ZRSR2 and BRCA1-A complex deficient cancers.

Applications

Unspecified application

Species

Unspecified reactive species

Marija Maric,Sandra Segura-Bayona,Raviprasad Kuthethur,Tohru Takaki,Valerie Borel,Tyler H Stanage,Miroslav P Ivanov,Nishita Parnandi,Graeme Hewitt,Rhona Millar,Carmen S Fonseca,Harshil Patel,Miriam Llorian,Scott Warchal,Michael Howell,Arnab Ray Chaudhuri,Panagiotis Kotsantis,Simon J Boulton

The Journal of clinical investigation 135: PubMed40608419

2025

Cyclin D1 overexpression induces replication stress and microhomology-mediated end-joining dependence in mantle cell lymphoma.

Applications

Unspecified application

Species

Unspecified reactive species

Jithma P Abeykoon,Shuhei Asada,Guangli Zhu,Yuna Hirohashi,Lisa Moreau,Divya Iyer,Sirisha Mukkavalli,Kalindi Parmar,Gabriella Zambrano,Lige Jiang,Dongni Yi,Michelle Manske,Kimberly Gwin,Rebecca L King,James R Cerhan,Xiaosheng Wu,Zhenkun Lou,Geoffrey I Shapiro,Thomas Witzig,Alan D'Andrea

Nature 642:785-795 PubMed40399682

2025

Multigenerational cell tracking of DNA replication and heritable DNA damage.

Applications

Unspecified application

Species

Unspecified reactive species

Andreas Panagopoulos,Merula Stout,Sinan Kilic,Peter Leary,Julia Vornberger,Virginia Pasti,Antonio Galarreta,Aleksandra Lezaja,Kyra Kirschenbühler,Ralph Imhof,Hubert Rehrauer,Urs Ziegler,Matthias Altmeyer

Nature 640:1093-1102 PubMed40205037

2025

Comprehensive interrogation of synthetic lethality in the DNA damage response.

Applications

Unspecified application

Species

Unspecified reactive species

John Fielden,Sebastian M Siegner,Danielle N Gallagher,Markus S Schröder,Maria Rosaria Dello Stritto,Simon Lam,Lena Kobel,Moritz F Schlapansky,Stephen P Jackson,Petr Cejka,Marco Jost,Jacob E Corn

Nucleic acids research 53: PubMed39704103

2024

The interplay of the translocase activity and protein recruitment function of PICH in ultrafine anaphase bridge resolution and genomic stability.

Applications

Unspecified application

Species

Unspecified reactive species

Nannan Kong,Kun Chen,Primrose Chanboonyasitt,Huadong Jiang,Ka Yan Wong,Hoi Tang Ma,Ying Wai Chan

Molecular cancer therapeutics 24:859-869 PubMed39440433

2024

DNA-PK Inhibition Shows Differential Radiosensitization in Orthotopic GBM PDX Models Based on DDR Pathway Deficits.

Applications

Unspecified application

Species

Unspecified reactive species

Sonja Dragojevic,Emily J Smith,Michael S Regan,Sylwia A Stopka,Gerard Baquer,Zhiyi Xue,Wenjuan Zhang,Margaret A Connors,Jake A Kloeber,Zeng Hu,Katrina K Bakken,Lauren L Ott,Brett L Carlson,Danielle M Burgenske,Paul A Decker,Shulan Tian,Shiv K Gupta,Daniel J Laverty,Jeanette E Eckel-Passow,William F Elmquist,Nathalie Y R Agar,Zachary D Nagel,Jann N Sarkaria,Cameron M Callaghan

Apoptosis : an international journal on programmed cell death 29:2047-2073 PubMed39395083

2024

Novel dual inhibitor targeting CDC25 and HDAC for treating triple-negative breast cancer.

Applications

Unspecified application

Species

Unspecified reactive species

Bidyadhar Sethy,Richa Upadhyay,Iin Narwanti,Zih-Yao Yu,Sung-Bau Lee,Jing-Ping Liou

Scientific reports 14:19999 PubMed39198533

2024

Discovery of the DNA-PKcs inhibitor DA-143 which exhibits enhanced solubility relative to NU7441.

Applications

Unspecified application

Species

Unspecified reactive species

Zachary J Waldrip,Baku Acharya,Daniel Armstrong,Maha Hanafi,Randall R Rainwater,Sharon Amole,Madeline Fulmer,Ana Clara Azevedo-Pouly,Alaina Burns,Lyle Burdine,Brendan Frett,Marie Schluterman Burdine

Nature communications 15:1700 PubMed38402224

2024

The ATR inhibitor ceralasertib potentiates cancer checkpoint immunotherapy by regulating the tumor microenvironment.

Applications

Unspecified application

Species

Unspecified reactive species

Elizabeth L Hardaker,Emilio Sanseviero,Ankur Karmokar,Devon Taylor,Marta Milo,Chrysis Michaloglou,Adina Hughes,Mimi Mai,Matthew King,Anisha Solanki,Lukasz Magiera,Ricardo Miragaia,Gozde Kar,Nathan Standifer,Michael Surace,Shaan Gill,Alison Peter,Sara Talbot,Sehmus Tohumeken,Henderson Fryer,Ali Mostafa,Kathy Mulgrew,Carolyn Lam,Scott Hoffmann,Daniel Sutton,Larissa Carnevalli,Fernando J Calero-Nieto,Gemma N Jones,Andrew J Pierce,Zena Wilson,David Campbell,Lynet Nyoni,Carla P Martins,Tamara Baker,Gilberto Serrano de Almeida,Zainab Ramlaoui,Abdel Bidar,Benjamin Phillips,Joseph Boland,Sonia Iyer,J Carl Barrett,Arsene-Bienvenu Loembé,Serge Y Fuchs,Umamaheswar Duvvuri,Pei-Jen Lou,Melonie A Nance,Carlos Alberto Gomez Roca,Elaine Cadogan,Susan E Critichlow,Steven Fawell,Mark Cobbold,Emma Dean,Viia Valge-Archer,Alan Lau,Dmitry I Gabrilovich,Simon T Barry

Nature communications 15:1446 PubMed38365788

2024

PAF1c links S-phase progression to immune evasion and MYC function in pancreatic carcinoma.

Applications

Unspecified application

Species

Unspecified reactive species

Abdallah Gaballa,Anneli Gebhardt-Wolf,Bastian Krenz,Greta Mattavelli,Mara John,Giacomo Cossa,Silvia Andreani,Christina Schülein-Völk,Francisco Montesinos,Raphael Vidal,Carolin Kastner,Carsten P Ade,Burkhard Kneitz,Georg Gasteiger,Peter Gallant,Mathias Rosenfeldt,Angela Riedel,Martin Eilers
View all publications

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