ubiquitin Protocols

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A Method for Assaying Deubiquitinating Enzymes - http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=140113

Category: Protein Protocols: Protein Ubiquitination Protocols

A Method for Assaying Deubiquitinating Enzymes. Lee et al., Biol Proced Online. May 1998. A general method for the assay of deubiquitinating enzymes was described in detail using 125I-labeled ubiquitin-fused Î±NH-MHISPPEPESEEEEEHYC (referred to as Ub-PESTc) as a substrate. - [Read A Method for Assaying Deubiquitinating Enzymes]

A specific endpoint assay for ubiquitin. - http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=304457

Category: Protein Protocols: Protein Ubiquitination Protocols

A specific endpoint assay for ubiquitin. Rose et al., Proc Natl Acad Sci U S A. 1987. Simple endpoint assays for free ubiquitin (Ub) and for the Ub-activating enzyme are described. . - [Read A specific endpoint assay for ubiquitin.]

Detection of Ubiquitylated Proteins in Yeast Protocol - http://www.cshprotocols.org/cgi/content/abstract/2006/30/pdb.prot4615

Category: Yeast Protocols: Yeast Protein Protocols

This assay is performed to detect ubiquitylated proteins in yeast. Yeast that have been transformed with a vector expressing polyhistidine-tagged ubiquitin (Ub) under the control of a copper-inducible promoter are grown, induced with copper, and harvested. Total ubiquitylated proteins are then recovered by nickel-affinity chromatography, and specific proteins are detected by Western blotting. - [Read Detection of Ubiquitylated Proteins in Yeast Protocol]

Sumoylation and Desumoylation Assays for a Chromatin-Remodelling Complex In Vivo and In Vitro - http://www.natureprotocols.com/2006/11/09/sumoylation_and_desumoylation.php

Category: Cell Biology and Cell Culture: In Vitro Reconstitution Protocols

Small ubiquitin-like modifier (SUMO) is a small molecule, but has a variety of regulatory functions in cells. SUMO modification is involved in transcriptional regulation, subcellular localization, and protein-protein interactions. SUMO conjugation requires sequential E1-dependent activation, E2-dependent conjugation, and E3-dependent ligation steps. Protocol includes: In vivo and in vitro SUMOylation assay and deSUMOylation assay. - [Read Sumoylation and Desumoylation Assays for a Chromatin-Remodelling Complex In Vivo and In Vitro]

Ubiquitin Assay Protocol for Yeast - http://tanseylab.cshl.edu/pdf/His_Ub_Yeast.pdf

Category: Protein Protocols: Protein Ubiquitination Protocols

Ubiquitin Assay Protocol for Yeast. Tansey Lab. - [Read Ubiquitin Assay Protocol for Yeast]