Related ArticlesMulti-phosphorylation of the Intrinsically Disordered Unique Domain of c-Src Studied by In-Cell and Real-Time NMR Spectroscopy.
Chembiochem. 2013 Jun 6;
Authors: Amata I, Maffei M, Igea A, Gay M, Vilaseca M, Nebreda AR, Pons M
Abstract
Intrinsically disordered regions (IDRs) are preferred sites for post-translational modifications essential for regulating protein function. The enhanced local mobility of IDRs facilitates their observation by NMR spectroscopy in vivo. Phosphorylation events can occur at multiple sites and respond dynamically to changes in kinase-phosphatase networks. Here we used real-time NMR spectroscopy to study the effect of kinases and phosphatases present in Xenopus oocytes and egg extracts on the phosphorylation state of the "unique domain" of c-Src. We followed the phosphorylation of S17 in oocytes, and of S17, S69, and S75 in egg extracts by NMR spectroscopy, MS, and western blotting. Addition of specific kinase inhibitors showed that S75 and S69 are phosphorylated by CDKs (cyclin-dependent kinases) differently from Cdk1. Moreover, although PKA (cAMP-dependent protein kinase) can phosphorylate S17 in vitro, this was not the major S17 kinase in egg extracts. Changes in PKA activity affected the phosphorylation levels of CDK-dependent sites, thus suggesting indirect effects of kinase-phosphatase networks. This study provides a proof-of-concept of the use of real-time in vivo NMR spectroscopy to characterize kinase/phosphatase effects on intrinsically disordered regulatory domains.
PMID: 23744817 [PubMed - as supplied by publisher]
[NMR paper] Highly efficient NMR assignment of intrinsically disordered proteins: application to B- and T cell receptor domains.
Highly efficient NMR assignment of intrinsically disordered proteins: application to B- and T cell receptor domains.
Related Articles Highly efficient NMR assignment of intrinsically disordered proteins: application to B- and T cell receptor domains.
PLoS One. 2013;8(5):e62947
Authors: Isaksson L, Mayzel M, Saline M, Pedersen A, Rosenlöw J, Brutscher B, Karlsson BG, Orekhov VY
Abstract
We present an integrated approach for efficient characterization of intrinsically disordered proteins. Batch cell-free expression, fast data acquisition,...
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05-15-2013 03:12 PM
[NMR paper] Unraveling a phosphorylation event in a folded protein by NMR spectroscopy: phosphorylation of the Pin1 WW domain by PKA.
Unraveling a phosphorylation event in a folded protein by NMR spectroscopy: phosphorylation of the Pin1 WW domain by PKA.
Unraveling a phosphorylation event in a folded protein by NMR spectroscopy: phosphorylation of the Pin1 WW domain by PKA.
J Biomol NMR. 2013 Mar 2;
Authors: Smet-Nocca C, Launay H, Wieruszeski JM, Lippens G, Landrieu I
Abstract
The Pin1 protein plays a critical role in the functional regulation of the hyperphosphorylated neuronal Tau protein in Alzheimer's disease and is by itself regulated by phosphorylation. We have...
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03-05-2013 03:25 PM
[NMR paper] Real-time kinetics of high-mobility group box 1 oxidation in extracellular fluids studied by in situ protein NMR spectroscopy.
Real-time kinetics of high-mobility group box 1 oxidation in extracellular fluids studied by in situ protein NMR spectroscopy.
Real-time kinetics of high-mobility group box 1 oxidation in extracellular fluids studied by in situ protein NMR spectroscopy.
J Biol Chem. 2013 Feb 27;
Authors: Zandarashvili L, Sahu D, Lee K, Lee YS, Singh P, Rajarathnam K, Iwahara J
Abstract
Some extracellular proteins are initially secreted in the reduced form via a non-canonical pathway bypassing the endoplasmic reticulum, and become oxidized in the...
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03-01-2013 09:57 PM
Quantitative Analysisof Multisite Protein–LigandInteractions by NMR: Binding of Intrinsically Disordered p53 TransactivationSubdomains with the TAZ2 Domain of CBP
Quantitative Analysisof Multisite Protein–LigandInteractions by NMR: Binding of Intrinsically Disordered p53 TransactivationSubdomains with the TAZ2 Domain of CBP
Munehito Arai, Josephine C. Ferreon and Peter E. Wright
http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/0/jacsat.ahead-of-print/ja209936u/aop/images/medium/ja-2011-09936u_0012.gif
Journal of the American Chemical Society
DOI: 10.1021/ja209936u
http://feeds.feedburner.com/~ff/acs/jacsat?d=yIl2AUoC8zA
http://feeds.feedburner.com/~r/acs/jacsat/~4/ak4BxkITHl8
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02-16-2012 05:24 AM
Backbone and side chain NMR assignments for the intrinsically disordered cytoplasmic domain of human neuroligin-3.
Backbone and side chain NMR assignments for the intrinsically disordered cytoplasmic domain of human neuroligin-3.
Backbone and side chain NMR assignments for the intrinsically disordered cytoplasmic domain of human neuroligin-3.
Biomol NMR Assign. 2011 Jun 7;
Authors: Wood K, Paz A, Dijkstra K, Scheek RM, Otten R, Silman I, Sussman JL, Mulder FA
Neuroligins act as heterophilic adhesion molecules at neuronal synapses. Their cytoplasmic domains interact with synaptic scaffolding proteins, and have been shown to be intrinsically disordered. Here we...
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06-08-2011 11:30 AM
[NMR paper] Protein folding studied by real-time NMR spectroscopy.
Protein folding studied by real-time NMR spectroscopy.
Related Articles Protein folding studied by real-time NMR spectroscopy.
Methods. 2004 Sep;34(1):65-74
Authors: Zeeb M, Balbach J
Real-time NMR spectroscopy developed to a generally applicable method to follow protein folding reactions. It combines the access to high resolution data with kinetic experiments allowing very detailed insights into the development of the protein structure during different steps of folding. The present review concentrates mainly on the progress of real-time NMR...
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11-24-2010 10:01 PM
[NMR paper] Real-time and equilibrium (19)F-NMR studies reveal the role of domain-domain interact
Real-time and equilibrium (19)F-NMR studies reveal the role of domain-domain interactions in the folding of the chaperone PapD.
Related Articles Real-time and equilibrium (19)F-NMR studies reveal the role of domain-domain interactions in the folding of the chaperone PapD.
Proc Natl Acad Sci U S A. 2002 Jan 22;99(2):709-14
Authors: Bann JG, Pinkner J, Hultgren SJ, Frieden C
PapD is a periplasmic chaperone essential for P pilus formation in pyelonephritic strains of E. coli. It is composed of two domains, each of which contains a tryptophan...
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11-24-2010 08:49 PM
[NMR paper] Folding kinetics of the SH3 domain of PI3 kinase by real-time NMR combined with optic
Folding kinetics of the SH3 domain of PI3 kinase by real-time NMR combined with optical spectroscopy.
Related Articles Folding kinetics of the SH3 domain of PI3 kinase by real-time NMR combined with optical spectroscopy.
J Mol Biol. 1998 Feb 27;276(3):657-67
Authors: Guijarro JI, Morton CJ, Plaxco KW, Campbell ID, Dobson CM
The refolding kinetics of the chemically denatured SH3 domain of phosphatidylinositol 3'-kinase (PI3-SH3) have been monitored by real-time one-dimensional 1H NMR coupled with a variety of other biophysical techniques. These...
Multi-phosphorylation of the Intrinsically Disordered Unique Domain of c-Src Studied by In-Cell and Real-Time NMR Spectroscopy.
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