Ubiquitin aldehyde (human) (rec.)
SBB-PS0031-C05050 µgCHF 114.00
Kinetic Activity: UCHL3 (SBB-DE0023) activity with Ubiquitin-AMC (SBB-PS0043) measured in the presence of 17.5nM and 0.1nM Ubiquitin Aldehyde (SBB-PS0031).
|Sequence||Human ubiquitin (aa1-76) (Accession Nr. P0CG47) with a C-terminal aldehyde.|
|Application||Typical working concentration range is 1-5 μM. Reaction conditions will need to be optimized for each specific application.|
|Formulation||Liquid. In 50mM NaOAc pH 5.0.|
|Other Product Data||
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|Declaration||Manufactured by South Bay Bio.|
|Shipping and Handling|
|Short Term Storage||-20°C|
|Long Term Storage||-80°C|
|Handling Advice||Aliquot to avoid freeze/thaw cycles.|
|Use/Stability||Stable for at least 1 year after receipt when stored at -80°C.|
|Product Specification Sheet|
Ubiquitin is a small (8.5kDa) regulatory protein that has been found in almost all tissues of eukaryotic organisms. The addition of ubiquitin to a substrate protein is called ubiquitination or ubiquitylation. Ubiquitination can affect proteins in many ways: it can signal for their degradation via the proteasome, alter their cellular location, affect their activity and promote or prevent protein interactions. Removal of ubiquitin from a substrate protein occurs via deconjugating enzymes, of which there are nearly 100 known enzymes with various linkage specificities. This product consists of a full-length human, mature ubiquitin polypeptide (amino acids 1-76), expressed in E.coli with a C-terminal warhead (Aldehyde). Ubiquitin aldehyde is a potent, irreversible and specific inhibitor of deubiquitinating enzymes (DUBs) based on a C-terminal electrophilic aldehyde group. Ubiquitin aldehyde can be used for activity profiling experiments and determining DUB inhibitor specificity. It targets three of the four major DUB families: UCH (Ubiquitin C-terminal hydrolases), USP (Ubiquitin specific proteases), OTU (Ovarian tumor proteases) and MJD (Machado-Josephin domain proteases) while JAMM metalloproteases are not inhibited.