Recombinant Human Tri-Ub Non-hydrolyzable (K48) Agarose, CF

Discontinued Product

UCN-217 has been discontinued.
View all Tri-Ubiquitin products.
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Recombinant Human Tri-Ub Non-hydrolyzable (K48) Agarose, CF Summary

Product Specifications

Activity
K48-linked Tri-Ub (Ub3) Non-Hydrolyzable Chain Agarose is useful for the enrichment of known Ubiquitin chain-interacting proteins as well as the discovery of novel Ubiquitin chain-interacting proteins. We recommend equilibrating the resin by washing with 10 volumes of your desired aqueous buffer.
Source
E. coli-derived human Tri-Ubiquitin protein

Each Ubiquitin contains a Pro substitution at position 73.

Accession #

Product Datasheets

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

UCN-217

Formulation

100 μl of agarose supplied in a 200 μl total volume of 20% Ethanol.

Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Do not freeze.
  • 3 months from date of receipt, 2 to 8 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after opening.
Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Tri-Ubiquitin

With a predicted molecular weight of 26 kDa, tri-Ubiquitin chains are composed of three Ubiquitin monomers that are covalently linked through isopeptide bonds, which typically form between a lysine residue of one Ubiquitin molecule and the C-terminal glycine residue of another Ubiquitin (1). Each human Ubiquitin monomer is 76 amino acids (aa) in length and shares 96% and 100% aa sequence identity with yeast and mouse Ubiquitin, respectively (2). Seven of the 76 aa in Ubiquitin are lysine residues that can participate in poly-Ubiquitin chain formation. Linkage through specific lysine residues is thought to serve as a signal that affects protein degradation, signaling, trafficking, and other cellular processes (3-8).

Linkage specific, non-hydrolyzable tri-Ubiquitin is resistant to the activity of deubiquitinating enzymes (DUB's) that cleave the isopeptide linkage between adjacent Ubiquitin molecules. It can be used to investigate binding interactions between tri-Ubiquitin and proteins that contain elements such as Ubiquitin-associated domains (UBAs) or Ubiquitin-interacting motifs (UIMs). This product may also be useful in exploring the role of unanchored poly-Ubiquitin chains in some signaling pathways.

 

References
  1. Scheffner, M. et al. (1995) Nature 373:81.
  2. Sharp, P.M. & W.-H. Li (1987) Trends Ecol. Evol. 2:328.
  3. Behrends, C. & J.W. Harper (2011) Nat. Struct. Mol. Biol. 18:520.
  4. Greene, W. et al. (2012) PLoS Pathog. 8:e1002703.
  5. Henry, A.G. et al. (2012) Dev. Cell 23:519.
  6. Tong, X. et al. (2012) J. Biol. Chem. 287:25280.
  7. Wei, W. et al. (2004) Nature 428:194.
  8. Zhang, J. et al. (2012) J. Biol. Chem. 287:28646.
 
Entrez Gene IDs
7314 (Human)
Alternate Names
TriUbiquitin; Tri-Ubiquitin; Ub3

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