Overview

  • Product name

    Anti-SATB1 antibody [EPR3951] (HRP)
    See all SATB1 primary antibodies
  • Description

    Rabbit monoclonal [EPR3951] to SATB1 (HRP)
  • Host species

    Rabbit
  • Conjugation

    HRP
  • Tested applications

    Suitable for: WBmore details
  • Species reactivity

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

    Synthetic peptide within Human SATB1. The exact sequence is proprietary.
    Database link: Q01826

  • Positive control

    • WB: Mouse thymus tissue lysate.
  • General notes

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

    This product is a recombinant rabbit monoclonal antibody.

Properties

Applications

Our Abpromise guarantee covers the use of ab203964 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 1/5000. Detects a band of approximately 100 kDa (predicted molecular weight: 86 kDa).

Target

  • Function

    Crucial silencing factor contributing to the initiation of X inactivation mediated by Xist RNA that occurs during embryogenesis and in lymphoma (By similarity). Binds to DNA at special AT-rich sequences, the consensus SATB1-binding sequence (CSBS), at nuclear matrix- or scaffold-associated regions. Thought to recognize the sugar-phosphate structure of double-stranded DNA. Transcriptional repressor controlling nuclear and viral gene expression in a phosphorylated and acetylated status-dependent manner, by binding to matrix attachment regions (MARs) of DNA and inducing a local chromatin-loop remodeling. Acts as a docking site for several chromatin remodeling enzymes (e.g. PML at the MHC-I locus) and also by recruiting corepressors (HDACs) or coactivators (HATs) directly to promoters and enhancers. Modulates genes that are essential in the maturation of the immune T-cell CD8SP from thymocytes. Required for the switching of fetal globin species, and beta- and gamma-globin genes regulation during erythroid differentiation. Plays a role in chromatin organization and nuclear architecture during apoptosis. Interacts with the unique region (UR) of cytomegalovirus (CMV). Alu-like motifs and SATB1-binding sites provide a unique chromatin context which seems preferentially targeted by the HIV-1 integration machinery. Moreover, HIV-1 Tat may overcome SATB1-mediated repression of IL2 and IL2RA (interleukin) in T-cells by binding to the same domain than HDAC1. Delineates specific epigenetic modifications at target gene loci, directly upregulating metastasis-associated genes while downregulating tumor-suppressor genes. Reprograms chromatin organization and the transcription profiles of breast tumors to promote growth and metastasis.
  • Tissue specificity

    Expressed predominantly in thymus.
  • Sequence similarities

    Belongs to the CUT homeobox family.
    Contains 2 CUT DNA-binding domains.
    Contains 1 homeobox DNA-binding domain.
  • Post-translational
    modifications

    Sumoylated. Sumoylation promotes cleavage by caspases.
    Phosphorylated by PKC. Acetylated by PCAF. Phosphorylated form interacts with HDAC1, but unphosphorylated form interacts with PCAF. DNA binding properties are activated by phosphorylation and inactivated by acetylation. In opposition, gene expression is down-regulated by phosphorylation but up-regulated by acetylation.
    Cleaved at Asp-254 by caspase-3 and caspase-6 during T-cell apoptosis in thymus and during B-cell stimulation. The cleaved forms can not dimerize and lose transcription regulation function because of impaired DNA and chromatin association.
  • Cellular localization

    Nucleus matrix. Nucleus > PML body. Organized into a cage-like network anchoring loops of heterochromatin and tethering specialized DNA sequences. When sumoylated, localized in promyelocytic leukemia nuclear bodies.
  • Information by UniProt
  • Database links

  • Form

    There are 2 isoforms produced by alternative splicing.
  • Alternative names

    • DNA binding protein SATB1 antibody
    • DNA-binding protein SATB1 antibody
    • SATB homeobox 1 antibody
    • SATB1 antibody
    • SATB1_HUMAN antibody
    • Special AT rich sequence binding protein 1 (binds to nuclear matrix/scaffold associating DNA) antibody
    • Special AT rich sequence binding protein 1 antibody
    • Special AT-rich sequence-binding protein 1 antibody
    see all

Images

  • Anti-SATB1 antibody [EPR3951] (HRP) (ab203964) at 1/5000 dilution + Thymus (Mouse) Tissue Lysate at 10 µg

    Developed using the ECL technique.

    Performed under reducing conditions.

    Predicted band size: 86 kDa
    Observed band size: 100 kDa
    why is the actual band size different from the predicted?


    Exposure time: 10 seconds


    This blot was produced using a 4-12% Bis-tris gel under the MOPS buffer system. The gel was run at 200V for 50 minutes before being transferred onto a Nitrocellulose membrane at 30V for 70 minutes. The membrane was then blocked for an hour using 3% milk before being incubated with ab203964 overnight at 4°C. Antibody binding was visualised using ECL development solution ab133406.

References

ab203964 has not yet been referenced specifically in any publications.

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