• Product name
  • Description
    Rabbit polyclonal to UBR1
  • Tested applications
    Suitable for: WB, IPmore details
  • Species reactivity
    Reacts with: Human
    Predicted to work with: Horse, Cow, Dog, Chimpanzee, Rhesus monkey, Gorilla, Orangutan, Elephant
  • Immunogen

    Synthetic peptide corresponding to a region between amino acids 1125-1175 of Human UBR1 (NP_777576.1).

  • Positive control
    • Jurkat whole cell lysate


  • Form
  • Storage instructions
    Shipped at 4°C. Upon delivery aliquot and store at -20°C. Avoid freeze / thaw cycles.
  • Storage buffer
    Preservative: 0.09% Sodium Azide
    Constituents: Tris citrate/phosphate, pH 7-8
  • Concentration information loading...
  • Purity
    Immunogen affinity purified
  • Purification notes
    ab108215 was affinity purified using an epitope specific to UBR1 immobilized on solid support.
  • Clonality
  • Isotype
  • Research areas


Our Abpromise guarantee covers the use of ab108215 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 1/2000 - 1/10000. Predicted molecular weight: 200 kDa.
IP Use at 2-5 µg/mg of lysate.


  • Function
    E3 ubiquitin-protein ligase which is a component of the N-end rule pathway. Recognizes and binds to proteins bearing specific N-terminal residues that are destabilizing according to the N-end rule, leading to their ubiquitination and subsequent degradation. May be involved in pancreatic homeostasis. Binds leucine and is a negative regulator of the leucine-mTOR signaling pathway, thereby controlling cell growth.
  • Tissue specificity
    Broadly expressed, with highest levels in skeletal muscle, kidney and pancreas. Present in acinar cells of the pancreas (at protein level).
  • Pathway
    Protein modification; protein ubiquitination.
  • Involvement in disease
    Defects in UBR1 are a cause of Johanson-Blizzard syndrome (JBS) [MIM:243800]. This disorder includes congenital exocrine pancreatic insufficiency, multiple malformations such as nasal wing aplasia, and frequent mental retardation. Pancreas of individuals with JBS do not express UBR1 and show intrauterine-onset destructive pancreatitis.
  • Sequence similarities
    Belongs to the UBR1 family.
    Contains 1 RING-type zinc finger.
    Contains 1 UBR-type zinc finger.
  • Developmental stage
    Expressed in fetal pancreas.
  • Domain
    The RING-H2 zinc finger is an atypical RING finger with a His ligand in place of the fourth Cys of the classical motif.
  • Post-translational
    Phosphorylated upon DNA damage, probably by ATM or ATR.
  • Cellular localization
    Cytoplasm > cytosol.
  • Information by UniProt
  • Database links
  • Alternative names
    • E3 ubiquitin-protein ligase UBR1 antibody
    • JBS antibody
    • N-recognin-1 antibody
    • ubiquitin protein ligase E3 component n-recognin 1 antibody
    • Ubiquitin-protein ligase E3-alpha-1 antibody
    • Ubiquitin-protein ligase E3-alpha-I antibody
    • UBR1 antibody
    • UBR1_HUMAN antibody
    see all

Anti-UBR1 antibody images

  • All lanes : Anti-UBR1 antibody (ab108215) at 0.1 µg/ml

    Lane 1 : Jurkat whole cell lysate at 50 µg
    Lane 2 : Jurkat whole cell lysate at 15 µg
    Lane 3 : Jurkat whole cell lysate at 5 µg

    Developed using the ECL technique

    Predicted band size : 200 kDa

    Exposure time : 3 minutes
  • Detection of UBR1 by Western Blot of Immunprecipitate.
    Lane 1: ab108215 at 1µg/ml staining UBR1 in Jurkat whole cell lysate immunoprecipitated using ab108215 at 6µg/mg lysate (1 mg/IP; 20% of IP loaded/lane).
    Lane 2: Control IgG
    Detection: Chemiluminescence with exposure time of 30 seconds.

References for Anti-UBR1 antibody (ab108215)

ab108215 has not yet been referenced specifically in any publications.

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