Immunogen
Synthesized peptide derived from human UBP18 AA range: 66-116
Specificity
This antibody detects endogenous levels of UBP18 at Human/Mouse
Source
Polyclonal, Rabbit,IgG
Formulation
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Dilution rate
WB 1：500-2000
Purification process (Immunogen)
The antibody was affinity-purified from rabbit serum by affinity-chromatography using specific immunogen.
Background
The protein encoded by this gene belongs to the ubiquitin-specific proteases (UBP) family of enzymes that cleave ubiquitin from ubiquitinated protein substrates. It is highly expressed in liver and thymus, and is localized to the nucleus. This protein efficiently cleaves only ISG15 (a ubiquitin-like protein) fusions, and deletion of this gene in mice results in a massive increase of ISG15 conjugates in tissues, indicating that this protein is a major ISG15-specific protease. Mice lacking this gene are also hypersensitive to interferon, suggesting a function of this protein in downregulating interferon responses, independent of its isopeptidase activity towards ISG15. [provided by RefSeq, Sep 2011],
Function
catalytic activity:ISG15 C-terminal thiolester + H(2)O = ISG15 + a thiol.,catalytic activity:Ubiquitin C-terminal thioester + H(2)O = ubiquitin + a thiol.,function:Can efficiently cleave only ISG15 fusions including native ISG15 conjugates linked via isopeptide bonds. Necessary to maintain a critical cellular balance of ISG15-conjugated proteins in both healthy and stressed organisms.,similarity:Belongs to the peptidase C19 family.,
Human protein sequence Database
Q9UMW8
Mouse protein sequence database
Q9WTV6
Rat protein sequence database
Cellular localization
[Isoform 1]: Cytoplasm .; [Isoform 2]: Nucleus . Cytoplasm .
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