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Cell Biology Cell Cycle Cell Cycle Inhibitors Rb
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Validated using a knockout cell lineRecombinantRabMAb

Recombinant Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

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  • Certificate of Compliance
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Immunocytochemistry/ Immunofluorescence - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
  • Flow Cytometry - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
  • Immunoprecipitation - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
  • Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [EPR17512] to Rb - BSA and Azide free
  • Suitable for: WB, IHC-P, ICC/IF, IP, Flow Cyt
  • Knockout validated
  • Reacts with: Mouse, Human, African green monkey

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Anti-Rb antibody [EPR17512] (ab181616)
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Recombinant Human Rb protein (ab83205)

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Overview

  • Product name

    Anti-Rb antibody [EPR17512] - BSA and Azide free
    See all Rb primary antibodies
  • Description

    Rabbit monoclonal [EPR17512] to Rb - BSA and Azide free
  • Host species

    Rabbit
  • Tested Applications & Species

    Application Species
    Flow Cyt
    Human
    ICC/IF
    Human
    IHC-P
    Human
    IP
    Human
    See all applications and species data
  • Immunogen

    Recombinant fragment. This information is proprietary to Abcam and/or its suppliers.

  • Positive control

    • WB: Jurkat, K562, WEHI-3, COS-1, MCF7 and F9 whole cell lysates; Mouse brain and lung lysates; Human fetal brain lysate. IHC-P: Human lung, Human breast cancer, Mouse lung and Mouse cerebral cortex tissues. ICC/IF: MCF7 cells. IP: MCF7 whole cell lysate.
  • General notes

    Ab218526 is the carrier-free version of ab181616. This format is designed for use in antibody labeling, including fluorochromes, metal isotopes, oligonucleotides, enzymes.

     

    Our carrier-free formats are supplied in a buffer free of BSA, sodium azide and glycerol for higher conjugation efficiency.

    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.

    ab218526 is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm.

    Maxpar® is a trademark of Fluidigm Canada Inc.

    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 +4°C. Do Not Freeze.
  • Storage buffer

    pH: 7.2
    Constituent: PBS
  • Carrier free

    Yes
  • Concentration information loading...
  • Purity

    Protein A purified
  • Clonality

    Monoclonal
  • Clone number

    EPR17512
  • Isotype

    IgG
  • Research areas

    • Cell Biology
    • Cell Cycle
    • Cell Cycle Inhibitors
    • Rb
    • Epigenetics and Nuclear Signaling
    • Transcription
    • Cancer susceptibility
    • Tumor Suppressors
    • Cancer
    • Oncoproteins/suppressors
    • Tumor suppressors
    • Rb family

Associated products

  • Alternative Versions

    • Anti-Rb antibody [EPR17512] (ab181616)
  • Compatible Secondaries

    • Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077)
    • Goat Anti-Rabbit IgG H&L (HRP) (ab205718)
    • Goat Anti-Rabbit IgG H&L (HRP) (ab97051)
  • Conjugation kits

    • PE / R-Phycoerythrin Conjugation Kit - Lightning-Link® (ab102918)
    • APC Conjugation Kit - Lightning-Link® (ab201807)
  • Isotype control

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

    • Recombinant Human Rb protein (ab83205)

Applications

The Abpromise guarantee

Our Abpromise guarantee covers the use of ab218526 in the following tested applications.

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

Guaranteed

Tested applications are guaranteed to work and covered by our Abpromise guarantee.

Predicted

Predicted to work for this combination of applications and species but not guaranteed.

Incompatible

Does not work for this combination of applications and species.

Application Species
Flow Cyt
Human
ICC/IF
Human
IHC-P
Human
IP
Human
Application Abreviews Notes
WB
Use at an assay dependent concentration. Detects a band of approximately 105 kDa (predicted molecular weight: 105 kDa).
IHC-P
Use at an assay dependent concentration. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
ICC/IF
Use at an assay dependent concentration.
IP
Use at an assay dependent concentration.
Flow Cyt
Use at an assay dependent concentration.
Notes
WB
Use at an assay dependent concentration. Detects a band of approximately 105 kDa (predicted molecular weight: 105 kDa).
IHC-P
Use at an assay dependent concentration. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
ICC/IF
Use at an assay dependent concentration.
IP
Use at an assay dependent concentration.
Flow Cyt
Use at an assay dependent concentration.

Target

  • Function

    Key regulator of entry into cell division that acts as a tumor suppressor. Promotes G0-G1 transition when phosphorylated by CDK3/cyclin-C. Acts as a transcription repressor of E2F1 target genes. The underphosphorylated, active form of RB1 interacts with E2F1 and represses its transcription activity, leading to cell cycle arrest. Directly involved in heterochromatin formation by maintaining overall chromatin structure and, in particular, that of constitutive heterochromatin by stabilizing histone methylation. Recruits and targets histone methyltransferases SUV39H1, KMT5B and KMT5C, leading to epigenetic transcriptional repression. Controls histone H4 'Lys-20' trimethylation. Inhibits the intrinsic kinase activity of TAF1. Mediates transcriptional repression by SMARCA4/BRG1 by recruiting a histone deacetylase (HDAC) complex to the c-FOS promoter. In resting neurons, transcription of the c-FOS promoter is inhibited by BRG1-dependent recruitment of a phospho-RB1-HDAC1 repressor complex. Upon calcium influx, RB1 is dephosphorylated by calcineurin, which leads to release of the repressor complex (By similarity). In case of viral infections, interactions with SV40 large T antigen, HPV E7 protein or adenovirus E1A protein induce the disassembly of RB1-E2F1 complex thereby disrupting RB1's activity.
  • Tissue specificity

    Expressed in the retina.
  • Involvement in disease

    Childhood cancer retinoblastoma
    Bladder cancer
    Osteogenic sarcoma
  • Sequence similarities

    Belongs to the retinoblastoma protein (RB) family.
  • Domain

    The Pocket domain binds to the threonine-phosphorylated domain C, thereby preventing interaction with heterodimeric E2F/DP transcription factor complexes.
  • Post-translational
    modifications

    Phosphorylated by CDK6 and CDK4, and subsequently by CDK2 at Ser-567 in G1, thereby releasing E2F1 which is then able to activate cell growth. Dephosphorylated at the late M phase. SV40 large T antigen, HPV E7 and adenovirus E1A bind to the underphosphorylated, active form of pRb. Phosphorylation at Thr-821 and Thr-826 promotes interaction between the C-terminal domain C and the Pocket domain, and thereby inhibits interactions with heterodimeric E2F/DP transcription factor complexes. Dephosphorylated at Ser-795 by calcineruin upon calcium stimulation. CDK3/cyclin-C-mediated phosphorylation at Ser-807 and Ser-811 is required for G0-G1 transition. Phosphorylated by CDK1 and CDK2 upon TGFB1-mediated apoptosis.
    N-terminus is methylated by METTL11A/NTM1 (By similarity). Monomethylation at Lys-810 by SMYD2 enhances phosphorylation at Ser-807 and Ser-811, and promotes cell cycle progression. Monomethylation at Lys-860 by SMYD2 promotes interaction with L3MBTL1.
    Acetylation at Lys-873 and Lys-874 regulates subcellular localization, at least during keratinocytes differentiation.
  • Cellular localization

    Nucleus.
  • Target information above from: UniProt accession P06400 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Database links

    • Entrez Gene: 5925 Human
    • Entrez Gene: 19645 Mouse
    • Omim: 614041 Human
    • SwissProt: P06400 Human
    • SwissProt: P13405 Mouse
    • Unigene: 408528 Human
    • Unigene: 273862 Mouse
    • Alternative names

      • Exon 17 tumor GOS561 substitution mutation causes premature stop antibody
      • GOS563 exon 17 substitution mutation causes premature stop antibody
      • OSRC antibody
      • Osteosarcoma antibody
      • p105-Rb antibody
      • P105RB antibody
      • PP105 antibody
      • pp110 antibody
      • PPP1R130 antibody
      • pRb antibody
      • Prepro retinoblastoma associated protein antibody
      • Protein phosphatase 1 regulatory subunit 130 antibody
      • Rb antibody
      • RB transcriptional corepressor 1 antibody
      • RB_HUMAN antibody
      • RB1 antibody
      • RB1 gene antibody
      • Retinoblastoma 1 antibody
      • Retinoblastoma suspectibility protein antibody
      • Retinoblastoma-associated protein antibody
      see all

    Images

    • Immunocytochemistry/ Immunofluorescence - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
      Immunocytochemistry/ Immunofluorescence - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

      Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized MCF7 (Human breast adenocarcinoma cell line) cells labeling Rb with ab181616 at 1/500 dilution, followed by Goat anti-rabbit IgG (Alexa Fluor® 488) (ab150077) secondary antibody at 1/500 dilution (green). Confocal image showing nuclear staining on MCF7 cells. The nuclear counter stain is DAPI (blue). Tubulin is detected with ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution and ab150120 (AlexaFluor®594 Goat anti-Mouse secondary) at 1/500 dilution (red).
      The negative controls are as follows:
      -ve control 1: ab181616 at 1/500 dilution followed by ab150120 (AlexaFluor®594 Goat anti-Mouse secondary) at 1/500 dilution.
      -ve control 2: ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution followed by ab150077 (Alexa Fluor®488 Goat Anti-Rabbit IgG H&L) at 1/500 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab181616).

    • Flow Cytometry - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
      Flow Cytometry - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

      ab181616 staining Rb in the human cell line MCF-7(human breast carcinoma) by flow cytometry. Cells were fixed with 4% paraformaldehyde, permeabilized with 90% methanol and the sample was incubated with the primary antibody at a dilution of 1/140. A goat anti rabbit IgG (Alexa Fluor® 488) at a dilution of 1/2000 was used as the secondary antibody.

      Isoytype control: Rabbit monoclonal IgG (Black)

      Unlabelled control: Cell without incubation with primary antibody and secondary antibody (Blue)

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab181616).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

      Immunohistochemical analysis of paraffin-embedded Human lung tissue labeling Rb with ab181616 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) secondary antibody at 1/500 dilution. Nuclear staining on Human lung is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab181616).

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

      Immunohistochemical analysis of paraffin-embedded Human breast cancer tissue labeling Rb with ab181616 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) secondary antibody at 1/500 dilution. Nuclear staining on cancer cells of Human breast cancer is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab181616).

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

      Immunohistochemical analysis of paraffin-embedded Mouse lung tissue labeling Rb with ab181616 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) secondary antibody at 1/500 dilution. Nuclear staining on mouse lung is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab181616).

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

      Immunohistochemical analysis of paraffin-embedded Mouse cerebral cortex tissue labeling Rb with ab181616 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) secondary antibody at 1/500 dilution. Nuclear staining on neuron of mouse cerebral cortex is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab181616).

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunoprecipitation - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
      Immunoprecipitation - Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

      Rb was immunoprecipitated from 1mg of MCF7 (Human breast adenocarcinoma cell line) whole cell lysate with ab181616 at 1/80 dilution. Western blot was performed from the immunoprecipitate using ab181616 at 1/1000 dilution. Anti-Rabbit IgG (HRP), specific to the non-reduced form of IgG, was used as secondary antibody at 1/1500 dilution.

      Lane 1: MCF7 whole cell lysate 10 µg (Input). Lane 2: ab181616 IP in MCF7 whole cell lysate. Lane 3: Rabbit monoclonal IgG (ab172730) instead of ab181616 in MCF7 whole cell lysate.
      Blocking and dilution buffer and concentration: 5% NFDM/TBST.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab181616).

    • Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)
      Anti-Rb antibody [EPR17512] - BSA and Azide free (ab218526)

    Protocols

    • Flow cytometry protocols
    • Immunoprecipitation protocols
    • Immunohistochemistry protocols
    • Immunocytochemistry & immunofluorescence protocols
    • Western blot protocols

    Click here to view the general protocols

    Datasheets and documents

    • Datasheet

    Certificate of Compliance

    To download a Certificate of Compliance, please enter your Lot number below:

  • References (0)

    Publishing research using ab218526? Please let us know so that we can cite the reference in this datasheet.

    ab218526 has not yet been referenced specifically in any publications.

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