AQUApure Phospho-Tetra-Ub Chains (M1, pS65) Protein, CF
AQUApure Phospho-Tetra-Ub Chains (M1, pS65) Protein, CF Summary
Product Specifications
Ub-AQUA analysis:
p-S65: 93.5%
Ubiquitin chains vary in length, linkage, and function. Linear ("Met1" or "M1"), pS65 Tetra-Ubiquitin chains are ideal for investigating Ubiquitin-binding proteins and as substrates for Ubiquitin-specific isopeptidases. Reaction conditions will need to be optimized for each specific application. IMPORTANT: Heating this product in SDS-PAGE buffer or terminating reactions containing this product with heated SDS-PAGE buffer could lead to unexpected, high apparent molecular weight banding or smearing on gels that is not representative of product purity. For optimal results, we recommend incubation in SDSPAGE buffer + DTT at ≤40 °C for 20 minutes prior to gel electrophoresis
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.
UC-750
| Formulation | 1 mg/ml (29 μM) in sterile, deionized water |
| 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: Tetra-Ubiquitin
Linkage specific phosphorylated Poly-Ubiquitin chains may be used as a substrate for in vitro reactions with deubiquitinating enzymes ("DUB's") that cleave the peptide or isopeptide linkage between adjacent Ubiquitin molecules. Phosphorylated Poly-Ubiquitin chains can also be used to investigate mechanisms of binding and recognition between the chains and other proteins that contain Ubiquitin-Associated domains (UBAs), Ubiquitin-interacting motifs (UIMs), ZnF's and/or other Ubiquitin-sensing elements.
Linear (Met1-linked) Tetra-Ubiquitin chains phosphorylated at Serine 65 are manufactured using recombinant wild-type human recombinant Ubiquitin and PINK1 kinase. The use of purely enzymatic techniques avoids the potential for contaminating synthetic intermediates. The purity of each production lot is assessed using the Absolute Quantitation of Ubiquitin method (Ub-AQUA), an LCMS-based technique that provides extremely accurate information on the composition of Poly-Ubiquitin samples.
- Heo, J.M., Ordureau A., et al. (2015) Mol. Cell 60(1): 7-20
- Kirkpatrick D.S., et al. (2006) Nat Cell Biol. 8(7): 700-10
- Ordureau, A., et al. (2014) Mol. Cell 56(3): 360–375
- Ordureau, A., et al. (2015) Pro. Nat. Acad. of Sci. USA 112(21): 6637–6642
- Phu L., et al. (2011) Mol Cell Proteomics 10(5): M110.003756
Citation for AQUApure Phospho-Tetra-Ub Chains (M1, pS65) Protein, 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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Sensitive ELISA-based detection method for the mitophagy marker p-S65-Ub in human cells, autopsy brain, and blood samples
Authors: JO Watzlawik, X Hou, D Fricova, C Ramnarine, SK Barodia, TF Gendron, MG Heckman, M DeTure, J Siuda, ZK Wszolek, CR Scherzer, OA Ross, G Bu, DW Dickson, MS Goldberg, FC Fiesel, W Springer
Autophagy, 2020-10-28;0(0):1-16.
Species: Human
Sample Types: N/A
Applications: Western Blot
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