Rec. Human Poly-Ub WT Chains (2-7) (K48-linked) Biotin, CF Summary
17* kDa (Ub2), 26* kDa (Ub3), 34* kDa (Ub4), 43* kDa (Ub5), 52* kDa (Ub6), and 60* kDa (Ub7)
*unlabeled molecules, extent of labelingvaries slightlyby lot
Product Datasheets
Carrier Free
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.
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.
UCB-230
| Formulation | Lyophilized from a solution in HEPES. |
| Reconstitution | Reconstitute at5 mg/mL in an aqueous solution. |
| Shipping | The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. |
| Stability & Storage: | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Reconstitution Calculator
Background: Poly-Ubiquitin
Poly-Ubiquitin chains are composed of 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 molecule (1). Each human Ubiquitin monomer is 76 amino acids (aa) in length and shares 96% and 100% aa 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).
This mixture of poly-Ubiquitin chains contains di-Ubiquitin and higher MW species; mono-Ubiquitin has been removed. These chains have been modified with biotin via primary amine coupling. This results in multiple biotinylated species modified at the N-terminus, as well as lysine residues. Biotinylated Ubiquitin can be detected using avidin-linked reagents.
- Scheffner, M. et al. (1995) Nature 373:81.
- Sharp, P.M. & W.-H. Li (1987) Trends Ecol. Evol. 2:328.
- Behrends, C. & J.W. Harper (2011) Nat. Struct. Mol. Biol. 18:520.
- Greene, W. et al. (2012) PLoS Pathog. 8:e1002703.
- Henry, A.G. et al. (2012) Dev. Cell 23:519.
- Tong, X. et al. (2012) J. Biol. Chem. 287:25280.
- Wei, W. et al. (2004) Nature 428:194.
- Zhang, J. et al. (2012) J. Biol. Chem. 287:28646.
FAQs
No product specific FAQs exist for this product, however you may
View all Proteins and Enzyme FAQsReconstitution Buffers
Reconstitution Buffer 1 (PBS)
Staining Reagents
NorthernLights Streptavidin NL493
Streptavidin-Allophycocyanin
Streptavidin-Alkaline Phosphatase
NorthernLights Streptavidin NL557
Streptavidin-Phycoerythrin
Avidin-Fluorescein
NorthernLights Streptavidin NL637
Supplemental Cell Selection Products
MagCellect Streptavidin Ferrofluid
Supplemental ELISA Products
Streptavidin-HRP
EvenCoat Streptavidin Coated Plates
EvenCoat Streptavidin Coated Plates, 5 Pack
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