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Phospho Ubiquitins
E1 Activating Enzymes
E2 Conjugating Enzymes
E3 Ligases
Ubiquitin Binding Proteins
Deconjugating Enzymes (DUBs)
Ubiquitin/Ubl Modifiers
Proteasome
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Ubiquitin Chains - Why To Use Ubiquigent Reagents
? Fully annotated protein sequence
? Gradient SDS-PAGE purity analysis
? Tandem mass-spectrometric confirmation of identity
? Activity determination in application-specific assays
? Background literature synopsis provided for all products
? Standard formulations and fixed concentrations
? Online datasheets
? Expert technical support - Ubiquigent Application Note
Validation and Experimental Utility of the E2scan™ Kit version 2
"Linking Ubiquitin Research to Drug Discovery"
Ubiquigent - Kinases
Like ubiquitylation, phosphorylation is a reversible post-translational modification: Phosphorylation reactions involve the transfer of a phosphate group from a high-energy donor molecule, such as ATP, to a substrate protein or lipid, catalyzed by enzymes called kinases and is a process central to intracellular signaling. Abnormal protein phosphorylation is a cause or consequence of disease, including cancers, diabetes and inflammatory disease, while defects in genes that encode protein kinases and phosphatases underlie a number of inherited disorders. Around 500 protein kinases are encoded in the human genome and they account for around 25% of the molecular targets currently being pursued by drug discovery companies. It is becoming increasingly apparent that there is significant cross-talk between these two key intracellular systems; phosphorylation and ubiquitylation. For example TBK1 is an IKK-related kinase, which plays several important roles in the innate immune system. In the MyD88-dependent signaling pathway its activation requires the E3 ubiquitin ligase TRAF6 and the polyubiquitin-binding protein NEMO. TBK1 also plays an essential role in the production of type1 interferons that are produced in response to viral double-stranded RNA. This is triggered by the TBK1-catalysed activation of the transcription factor IRF3 and the E3 ubiquitin ligase Pellino 1.