Hi i'm a newbie in NMR and I have 2 proteins, A protein is about 12KDa, B protein is about 45 KDa,i know that A protein binds ssRNA 20nucleotide molecule. My question what is the best way to know if protein B forms a complex A and RNA using NRM techniques? I have thought of deutering protein B, and mapping chemical shifts in isotopic labelled (15N) A protein, is this ok?... can transfered NOE or filtered NOE be used?? what about PRE? I've heard of TROSY, how can this help me?
Thanks for your ideas. Structural biology Master student
Check if somebody has answered this question on NMRWiki QA forum
NMR as a Unique Tool in Assessment and Complex Determination of Weak Protein-Protein Interactions.
NMR as a Unique Tool in Assessment and Complex Determination of Weak Protein-Protein Interactions.
NMR as a Unique Tool in Assessment and Complex Determination of Weak Protein-Protein Interactions.
Top Curr Chem. 2011 Aug 2;
Authors: Vinogradova O, Qin J
Protein-protein interactions are crucial for a wide variety of biological processes. These interactions range from high affinity (K (d) < nM) to very low affinity (K (d) > mM). While much is known about the nature of high affinity protein complexes, our knowledge about structural characteristics...
nmrlearner
Journal club
0
08-03-2011 12:00 PM
[NMR paper] Cell-free protein synthesis in an autoinduction system for NMR studies of protein-protein interactions.
Cell-free protein synthesis in an autoinduction system for NMR studies of protein-protein interactions.
Related Articles Cell-free protein synthesis in an autoinduction system for NMR studies of protein-protein interactions.
J Biomol NMR. 2005 Jul;32(3):235-41
Authors: Ozawa K, Jergic S, Crowther JA, Thompson PR, Wijffels G, Otting G, Dixon NA
Cell-free protein synthesis systems provide facile access to proteins in a nascent state that enables formation of soluble, native protein-protein complexes even if one of the protein components is prone...
nmrlearner
Journal club
0
12-01-2010 06:56 PM
[NMR paper] NMR probing of protein-protein interactions using reporter ligands and affinity tags.
NMR probing of protein-protein interactions using reporter ligands and affinity tags.
Related Articles NMR probing of protein-protein interactions using reporter ligands and affinity tags.
J Am Chem Soc. 2004 Feb 18;126(6):1636-7
Authors: Ludwiczek ML, Baminger B, Konrat R
A novel method is proposed for the detection and quantification of protein-protein interactions in solution. In this approach, one protein binding partner is tagged with a ligand binding domain, and protein-protein interaction is monitored via changes in the NMR relaxation...
nmrlearner
Journal club
0
11-24-2010 09:25 PM
[NMR paper] Two distinct protein-protein interactions between the NIT2 and NMR regulatory protein
Two distinct protein-protein interactions between the NIT2 and NMR regulatory proteins are required to establish nitrogen metabolite repression in Neurospora crassa.
Related Articles Two distinct protein-protein interactions between the NIT2 and NMR regulatory proteins are required to establish nitrogen metabolite repression in Neurospora crassa.
Mol Microbiol. 1997 Nov;26(4):721-9
Authors: Pan H, Feng B, Marzluf GA
Nitrogen metabolism is a highly regulated process in Neurospora crassa. The structural genes that encode nitrogen catabolic...
nmrlearner
Journal club
0
08-22-2010 05:08 PM
[NMR paper] 13C-NMR studies of membrane lipid-protein interactions upon protein heat denaturation
13C-NMR studies of membrane lipid-protein interactions upon protein heat denaturation.
Related Articles 13C-NMR studies of membrane lipid-protein interactions upon protein heat denaturation.
J Biochem Biophys Methods. 1991 Oct-Nov;23(3):259-61
Authors: YashRoy RC
Spinach chloroplast membranes were studied by natural abundance carbon-13 nuclear magnetic resonance (13C-NMR) spectroscopy in their normal state and after heat denaturation of membrane proteins. The membrane proteins were denatured by raising the temperature of the sample to 67...
nmrlearner
Journal club
0
08-21-2010 11:12 PM
[NMR paper] 13C-NMR studies of membrane lipid-protein interactions upon protein heat denaturation
13C-NMR studies of membrane lipid-protein interactions upon protein heat denaturation.
Related Articles 13C-NMR studies of membrane lipid-protein interactions upon protein heat denaturation.
J Biochem Biophys Methods. 1991 Oct-Nov;23(3):259-61
Authors: YashRoy RC
Spinach chloroplast membranes were studied by natural abundance carbon-13 nuclear magnetic resonance (13C-NMR) spectroscopy in their normal state and after heat denaturation of membrane proteins. The membrane proteins were denatured by raising the temperature of the sample to 67...
nmrlearner
Journal club
0
08-21-2010 11:12 PM
Postdoctoral position to study Protein-Protein Interactions and their role in Mechanisms of Signal Transduction using protein solution NMR/x-ray crystallography
Spincore.com are advertising a postdoc NMR position. It sounds pretty interesting.
"""
Postdoctoral position to study Protein-Protein Interactions and their role in Mechanisms of Signal Transduction using protein solution NMR /x-ray crystallography
Case Medical School, Cleveland, Ohio, USA
How are signaling events transmitted from one protein to another? To answer this question we are looking to add a postdoctoral co-workers to our interdisciplinary team. Our interest is to understand protein-protein interactions, protein structure and dynamics in the context of cell signaling...