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    products/primary-antibodies/kap1-antibody-epr5216-ab109287.pdf

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Epigenetics and Nuclear Signaling Chromatin Binding Proteins Methylated DNA
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Validated using a knockout cell lineRecombinantRabMAb

Recombinant Anti-KAP1 antibody [EPR5216] (ab109287)

  • Datasheet
  • SDS
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Western blot - Anti-KAP1 antibody [EPR5216] (ab109287)
  • Western blot - Anti-KAP1 antibody [EPR5216] (ab109287)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-KAP1 antibody [EPR5216] (ab109287)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-KAP1 antibody [EPR5216] (ab109287)
  • Immunocytochemistry/ Immunofluorescence - Anti-KAP1 antibody [EPR5216] (ab109287)
  • Anti-KAP1 antibody [EPR5216] (ab109287)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [EPR5216] to KAP1
  • Suitable for: WB, IHC-P, ICC/IF
  • Knockout validated
  • Reacts with: Mouse, Human

Conjugates logo Related conjugates and formulations

Carrier Free

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Overview

  • Product name

    Anti-KAP1 antibody [EPR5216]
    See all KAP1 primary antibodies
  • Description

    Rabbit monoclonal [EPR5216] to KAP1
  • Host species

    Rabbit
  • Tested applications

    Suitable for: WB, IHC-P, ICC/IFmore details
    Unsuitable for: IP
  • Species reactivity

    Reacts with: Mouse, Human
    Predicted to work with: Rat
  • Immunogen

    Synthetic peptide. This information is proprietary to Abcam and/or its suppliers.

  • Positive control

    • Purchase matching WB positive control:Recombinant Human KAP1 protein
    • IHC-P: Human colon or breast carcinoma tissue. WB: HeLa, A431, PC-3, MCF-7 cell lysates. ICC/IF: HeLa cells.
  • General notes

    This product is a recombinant monoclonal antibody, which offers several advantages including:

    • - High batch-to-batch consistency and reproducibility
    • - Improved sensitivity and specificity
    • - Long-term security of supply
    • - Animal-free production
    For more information see here.

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

Properties

  • Form

    Liquid
  • Storage instructions

    Shipped at 4°C. Store at -20°C. Stable for 12 months at -20°C.
  • Storage buffer

    pH: 7.20
    Preservative: 0.05% Sodium azide
    Constituents: 0.1% BSA, 40% Glycerol (glycerin, glycerine), 9.85% Tris glycine, 50% Tissue culture supernatant
  • Concentration information loading...
  • Purity

    Protein A purified
  • Clonality

    Monoclonal
  • Clone number

    EPR5216
  • Isotype

    IgG
  • Research areas

    • Epigenetics and Nuclear Signaling
    • Chromatin Binding Proteins
    • Methylated DNA
    • Cell Biology
    • Proteolysis / Ubiquitin
    • Proteasome / Ubiquitin
    • Ubiquitin E3 Enzymes
    • RING Finger E3 Ligase
    • Epigenetics and Nuclear Signaling
    • Transcription
    • Other factors
    • Epigenetics and Nuclear Signaling
    • Transcription
    • Transcription Factors
    • Cancer
    • Invasion/microenvironment
    • Apoptosis
    • Other
    • Cancer
    • Cell Death
    • Apoptosis
    • Other
    • Epigenetics and Nuclear Signaling
    • Bromodomains

Associated products

  • Alternative Versions

    • Anti-KAP1 antibody [EPR5216] - BSA and Azide free (ab215548)
  • Compatible Secondaries

    • Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773)
    • Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776)
  • Isotype control

    • Rabbit IgG, monoclonal [EPR25A] - Isotype Control (ab172730)
  • Recombinant Protein

    • Recombinant Human KAP1 protein (ab131899)

Applications

The Abpromise guarantee

Our Abpromise guarantee covers the use of ab109287 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
WB (3)
1/10000 - 1/50000. Detects a band of approximately 110 kDa (predicted molecular weight: 89 kDa).
IHC-P
1/250 - 1/500. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.

Heat up to 98 degrees C, below boiling, and then let cool for 10-20 min.

ICC/IF (1)
1/100 - 1/250.
Notes
WB
1/10000 - 1/50000. Detects a band of approximately 110 kDa (predicted molecular weight: 89 kDa).
IHC-P
1/250 - 1/500. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.

Heat up to 98 degrees C, below boiling, and then let cool for 10-20 min.

ICC/IF
1/100 - 1/250.
Application notes
Is unsuitable for IP.

Target

  • Function

    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 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.
  • Tissue specificity

    Expressed in all tissues tested including spleen, thymus, prostate, testis, ovary, small intestine, colon and peripheral blood leukocytes.
  • Pathway

    Protein modification; protein sumoylation.
  • Sequence similarities

    Belongs to the TRIM/RBCC family.
    Contains 2 B box-type zinc fingers.
    Contains 1 bromo domain.
    Contains 1 PHD-type zinc finger.
    Contains 1 RING-type zinc finger.
  • Domain

    The HP1 box is both necessary and sufficient for HP1 binding.
    The PHD-type zinc finger enhances CEBPB transcriptional activity. The PHD-type zinc finger, the HP1 box and the bromo domain, function together to assemble the machinery required for repression of KRAB domain-containing proteins. Acts as an intramolecular SUMO E3 ligase for autosumoylation of bromodomain.
    The RING-finger-B Box-coiled-coil/tripartite motif (RBCC/TRIM motif) is required for interaction with the KRAB domain of KRAB-zinc finger proteins. Binds four zinc ions per molecule. The RING finger and the N-terminal of the leucine zipper alpha helical coiled-coil region of RBCC are required for oligomerization.
    Contains one Pro-Xaa-Val-Xaa-Leu (PxVxL) motif, which is required for interaction with chromoshadow domains. This motif requires additional residues -7, -6, +4 and +5 of the central Val which contact the chromoshadow domain.
  • Post-translational
    modifications

    Phosphorylated upon DNA damage, probably by ATM or ATR. ATM-induced phosphorylation on Ser-824 represses sumoylation leading to the de-repression of expression of a subset of genes involved in cell cycle control and apoptosis in response to genotoxic stress. Dephosphorylation by the phosphatases, PPP1CA and PP1CB forms, allows sumoylation and expression of TRIM28 target genes.
    Sumoylation/desumoylation events regulate TRIM28-mediated transcriptional repression. Sumoylation is required for interaction with CHD3 and SETDB1 and the corepressor activity. Represses and is repressed by Ser-824 phosphorylation. Enhances the TRIM28 corepressor activity, inhibiting transcriptional activity of a number of genes including GADD45A and CDKN1A/p21. Lys-554, Lys-779 and Lys-804 are the major sites of sumoylation. In response to Dox-induced DNA damage, enhanced phosphorylation on Ser-824 prevents sumoylation and allows de-repression of CDKN1A/p21.
  • Cellular localization

    Nucleus. Associated with centromeric heterochromatin during cell differentiation through CBX1.
  • Target information above from: UniProt accession Q13263 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Database links

    • Entrez Gene: 10155 Human
    • Entrez Gene: 21849 Mouse
    • Entrez Gene: 116698 Rat
    • Omim: 601742 Human
    • SwissProt: Q13263 Human
    • SwissProt: Q62318 Mouse
    • SwissProt: O08629 Rat
    • Unigene: 467408 Human
    • Unigene: 15701 Mouse
    • Unigene: 398345 Mouse
    • Unigene: 198494 Rat
    see all
  • Alternative names

    • E3 SUMO protein ligase TRIM28 antibody
    • E3 SUMO-protein ligase TRIM28 antibody
    • FLJ29029 antibody
    • KAP 1 antibody
    • KAP-1 antibody
    • KRAB associated protein 1 antibody
    • KRAB interacting protein 1 antibody
    • KRAB-associated protein 1 antibody
    • KRAB-interacting protein 1 antibody
    • KRIP 1 antibody
    • KRIP-1 antibody
    • KRIP1 antibody
    • Nuclear corepressor KAP 1 antibody
    • Nuclear corepressor KAP-1 antibody
    • RING finger protein 96 antibody
    • RNF96 antibody
    • TF1B antibody
    • TIF1 beta antibody
    • TIF1-beta antibody
    • TIF1B antibody
    • TIF1B_HUMAN antibody
    • Transcription intermediary factor 1 beta antibody
    • Transcription intermediary factor 1-beta antibody
    • Trim28 antibody
    • Tripartite motif containing 28 antibody
    • tripartite motif containing protein 28 antibody
    • Tripartite motif-containing protein 28 antibody
    see all

Images

  • Western blot - Anti-KAP1 antibody [EPR5216] (ab109287)
    Western blot - Anti-KAP1 antibody [EPR5216] (ab109287)

    Lane 1: Wild type HAP1 whole cell lysate (20 µg)
    Lane 2: Wild type HAP1 + DMSO whole cell lysate (20 µg)
    Lane 3: Wild type HAP1 + Blaomycin whole cell lysate (20 µg)
    Lane 4: TRIM28 knockout HAP1 whole cell lysate (20 µg)
    Lane 5: TRIM28 knockout HAP1 + DMSO whole cell lysate (20 µg)
    Lane 6: TRIM28 knockout HAP1 + Blaomycin whole cell lysate (20 µg)
    Lane 7: HeLa + DMSO whole cell lysate (20 µg)
    Lane 8: HeLa + Blaomycin whole cell lysate (20 µg)

    Lanes 1 - 8: Merged signal (red and green). Green - ab109287 observed at 110 kDa. Red - loading control, ab8245, observed at 37 kDa.

    ab109287 was shown to specifically react with KAP1 in wild type cells as signal was lost in KAP1 knockout cells. Wild-type and KAP1 knockout samples were subjected to SDS-PAGE. ab109287 and ab8245 (Mouse anti-GAPDH loading control) were incubated overnight at 4°C at 1/10000 dilution and 1/20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed ab216773 and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed ab216776 secondary antibodies at 1/20000 dilution for 1 hour at room temperature before imaging.

  • Western blot - Anti-KAP1 antibody [EPR5216] (ab109287)
    Western blot - Anti-KAP1 antibody [EPR5216] (ab109287)
    All lanes : Anti-KAP1 antibody [EPR5216] (ab109287) at 1/10000 dilution

    Lane 1 : HeLa cell lysate
    Lane 2 : A431 cell lysate
    Lane 3 : PC-3 cell lysate
    Lane 4 : MCF-7 cell lysate

    Lysates/proteins at 10 µg per lane.

    Predicted band size: 89 kDa

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-KAP1 antibody [EPR5216] (ab109287)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-KAP1 antibody [EPR5216] (ab109287)

    Immunohistochemical analysis of paraffin-embedded Human breast carcinoma tissue using 1/250 ab109287.

    Perform heat mediated antigen retrieval before commencing with IHC staining protocol.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-KAP1 antibody [EPR5216] (ab109287)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-KAP1 antibody [EPR5216] (ab109287)

    Immunohistochemical analysis of paraffin-embedded Human colon tissue using 1/250 ab109287.

    Perform heat mediated antigen retrieval before commencing with IHC staining protocol.

  • Immunocytochemistry/ Immunofluorescence - Anti-KAP1 antibody [EPR5216] (ab109287)
    Immunocytochemistry/ Immunofluorescence - Anti-KAP1 antibody [EPR5216] (ab109287)
    Immunofluorescent staining of HeLa cells using 1/100 ab109287.
  • Anti-KAP1 antibody [EPR5216] (ab109287)
    Anti-KAP1 antibody [EPR5216] (ab109287)

Protocols

  • Immunohistochemistry protocols
  • Immunocytochemistry & immunofluorescence protocols
  • Western blot protocols

Click here to view the general protocols

Datasheets and documents

  • SDS download

  • Datasheet download

    Download

References (0)

Publishing research using ab109287? Please let us know so that we can cite the reference in this datasheet.

ab109287 has not yet been referenced specifically in any publications.

Customer reviews and Q&As

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1-4 of 4 Abreviews or Q&A

Western blot abreview for Anti-KAP1 antibody [EPR5216]

Excellent
Abreviews
Abreviews
abreview image
Application
Western blot
Sample
Human Cell lysate - whole cell (Dopaminergic Neurons)
Gel Running Conditions
Reduced Denaturing (NuPage 4-12% MES buffer)
Loading amount
30 µg
Specification
Dopaminergic Neurons
Blocking step
Milk as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 5% · Temperature: 20°C
Read More
The reviewer received a reward from Abcam’s Loyalty Program in thanks for submitting this Abreview and for helping the scientific community make better-informed decisions.

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Verified customer

Submitted Oct 20 2020

Immunocytochemistry/ Immunofluorescence abreview for Anti-KAP1 antibody [EPR5216]

Excellent
Abreviews
Abreviews
abreview image
Application
Immunocytochemistry/ Immunofluorescence
Sample
Human Cell (vascular smooth muscle cell)
Permeabilization
Yes - NP40
Specification
vascular smooth muscle cell
Blocking step
BSA as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 3% · Temperature: 22°C
Fixative
Formaldehyde
Read More
The reviewer received a reward from Abcam’s Loyalty Program in thanks for submitting this Abreview and for helping the scientific community make better-informed decisions.

Abcam user community

Verified customer

Submitted Nov 04 2015

Western blot abreview for Anti-KAP1 antibody [EPR5216]

Excellent
Abreviews
Abreviews
abreview image
Application
Western blot
Sample
Mouse Cell lysate - whole cell (mouse embryonic stem cell)
Gel Running Conditions
Reduced Denaturing (10% gel)
Loading amount
100000 cells
Specification
mouse embryonic stem cell
Blocking step
Milk as blocking agent for 30 minute(s) · Concentration: 5% · Temperature: 16°C
Read More
The reviewer received a reward from Abcam’s Loyalty Program in thanks for submitting this Abreview and for helping the scientific community make better-informed decisions.

Abcam user community

Verified customer

Submitted Aug 20 2015

Western blot abreview for Anti-KAP1 antibody [EPR5216]

Excellent
Abreviews
Abreviews
abreview image
Application
Western blot
Sample
Human Cell lysate - whole cell (MCF7 cell line)
Gel Running Conditions
Reduced Denaturing (10% gel)
Loading amount
100000 cells
Specification
MCF7 cell line
Blocking step
Milk as blocking agent for 30 minute(s) · Concentration: 5% · Temperature: 16°C
Read More
The reviewer received a reward from Abcam’s Loyalty Program in thanks for submitting this Abreview and for helping the scientific community make better-informed decisions.

Abcam user community

Verified customer

Submitted Aug 18 2015

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