Human USP8 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human USP8 in direct ELISAs and Western blots. In direct ELISAs, less than 1% cross-reactivity with recombinant human USP2 is observed.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human USP8
    Met1-Thr1118
    Accession # P40818
  • 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
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 Examples
Detection of Human USP8 by Western Blot. Western blot shows lysates of U2OS human osteosarcoma cell line and KG‑1 human acute myelogenous leukemia cell line. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human USP8 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7735) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for USP8 at approximately 130 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
  • Reconstitution
    Sterile PBS to a final concentration of 0.2 mg/mL.
  • 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: USP8

USP8 (Ubiquitin-Specific-Processing protein 8; also UBPY and ubiquitin carboxyterminal hydrolase 8) is a 125-130 kDa member of the peptidase C19 family of proteins. It is a widely expressed deubiquitinating enzyme that regulates the internalization and trafficking of transmembrane growth factor receptors. Ubiquitinated TKRs are typically targeted for internalization and degradation, and USP8 appears to block this activity. Conversely, USP8 has been shown to have opposite effects on GPCR activity. Here, it accelerates ubiquitinated chemokine receptor (CXCR4) internalization and subsequent inactivation, notably through a deubiquitination-independent mechanism. Human USP8 is 1118 amino acids (aa) in length. It contains one MIT domain that mediates endosomal trafficking (aa 33-116), a rhodanese domain that binds RNF proteins (aa 184-305), an SH3 domain binding sequence (aa 405-413), and a C-terminal catalytic domain that hydrolyses ubiquitin adducts (aa 776‑1106). USP8 is phosphorylated at Ser702, 705, 784 and 787. There is one oncogenic recombination isoform that fuses the p85 beta -subunit of PI3 kinase to the C‑terminal 363 aa of USP8, beginning with Pro746. Full-length human and mouse USP8 share 82% aa sequence identity.

  • Long Name:
    Ubiquitin Specific Protease 8
  • Entrez Gene IDs:
    9101 (Human); 84092 (Mouse); 296121 (Rat)
  • Alternate Names:
    Deubiquitinating enzyme 8; EC 3.1.2.15; EC 3.4.19.12; HumORF8; KIAA0055hUBPy; MGC129718; ubiquitin carboxyl-terminal hydrolase 8; Ubiquitin isopeptidase Y; ubiquitin specific peptidase 8; ubiquitin specific protease 8; ubiquitin thioesterase 8; Ubiquitin thiolesterase 8; Ubiquitin-specific-processing protease 8; UBPY; UBPYFLJ34456; USP8
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Normal Sheep IgG Control

Ctrl 5-001-A 9
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Secondary Antibodies
Description Application Cat# Citations Images  

Sheep IgG HRP-conjugated Antibody

WB, Simple Western HAF016 14  
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Donkey Anti-Sheep IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL010 3
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Donkey Anti-Sheep IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL011 5
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Donkey Anti-Sheep IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL012 2
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Sheep IgG (H+L) PE-conjugated Antibody

Flow F0126  
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Donkey Anti-Sheep IgG Biotinylated Antibody

WB BAF016 2
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Sheep IgG (H+L) APC-conjugated Antibody

Flow F0127  
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Sheep IgG VisUCyte HRP Polymer Antibody

IHC VC006  
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Donkey Anti-Sheep IgG (H+L) Fluorescein-conjugated Antibody

Flow F0125 1
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Donkey Anti-Sheep IgG (H+L) PerCP-conjugated Antibody

Flow F0128
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