Rec. Human Poly-Ub WT Chains (2-7) (K63-linked) Biotin, CF
Rec. Human Poly-Ub WT Chains (2-7) (K63-linked) Biotin, CF Summary
Product Specifications
17 kDa (Ub2), 26 kDa (Ub3), 34 kDa (Ub4), 43 kDa (Ub5), 52 kDa (Ub6), and 60 kDa (Ub7)
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-330
| Formulation | X mg/ml in 50 mM HEPES pH 8.0 |
| Reconstitution | |
| Shipping | The product is shipped with polar packs. 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.
Citation for Rec. Human Poly-Ub WT Chains (2-7) (K63-linked) Biotin, CF
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
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Structural and functional characterization of ubiquitin variant inhibitors for the JAMM-family deubiquitinases STAMBP and STAMBPL1
Authors: Y Guo, Q Liu, E Mallette, C Caba, F Hou, J Fux, G LaPlante, A Dong, Q Zhang, H Zheng, Y Tong, W Zhang
The Journal of Biological Chemistry, 2021-08-21;0(0):101107.
Species: Human
Sample Types: Protein
Applications: Bioassay
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