Human Ubiquitin+1 Antibody

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  • Species Reactivity
    Human
  • Specificity
    Detects recombinant human Ubiquitin+1.
  • Source
    Polyclonal Rabbit IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    KLH-coupled human Ubiquitin+1 synthetic peptide
    CADLREDPDRQDHHPGSGAQ
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Product Datasheets

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Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Example
Detection of Human Ubiquitin+1 by Western Blot. Western blot shows samples of Recom­binant Human Ubiquitin (Catalog # 701‑UB) (2 ng) and Recom­binant Human Ubiquitin+1 (Catalog # 703‑UB) (2, 1, and 0.5 ng). PVDF membrane was probed with 1 µg/mL Rabbit Anti-Human Ubiquitin+1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF703) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band for Ubiquitin+1 was detected at approximately 13 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 4.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Ubiquitin+1

Ubiquitin+1 has a carboxyl terminal amino acid sequence that differs from normal Ubiquitin. The different carboxyl terminal sequence appears to result from a frameshift in the Ubiquitin mRNA. The underlying mechanisms creating the mRNA frameshift are not clearly understood. The occurrence of the frameshift that generates Ubiquitin+1 is much more prevalent in patients with Alzheimers Disease or with Down Syndrome than in control individuals who are not afflicted with the disorders. The monoclonal anti-Ubiquitin+1 (Catalog # MAB703) and rabbit polyclonal anti-Ubiquitin+1 (Catalog # AF703) antibodies were raised against the Ubiquitin+1 carboxyl terminal sequence that differs from normal Ubiquitin and are therefore non-reactive with Ubiquitin. Monoclonal anti-Ubiquitin (Catalog # MAB701) detects both Ubiquitin and Ubiquitin+1 indicating that the epitope recognized by this antibody is contained in the portion of the proteins that are identical (1, 2).

  • References:
    1. van Leeuwen, F.W. et al. (1998) Science 279:242.
    2. van Leeuwen, F.W. et al. (1998) Trends Neurosci. 21:331.
  • Long Name:
    frame shift mutant
  • Entrez Gene IDs:
    7314 (Human); 298693 (Rat)
  • Alternate Names:
    FLJ25987; MGC8385; polyubiquitin B; polyubiquitin-B; RPS27A; UBA52; UBC; ubiquitin B; Ubiquitin+1
Related Research Areas

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