[NMR paper] Accessing isotopically labeled proteins containing genetically encoded phosphoserine for NMR with optimized expression conditions
Accessing isotopically labeled proteins containing genetically encoded phosphoserine for NMR with optimized expression conditions
Phosphoserine (pSer) sites are primarily located within disordered protein regions, making it difficult to experimentally ascertain their effects on protein structure and function. Therefore, the production of ^(15)N (and ^(13)C)-labeled proteins with site-specifically encoded pSer for Nuclear Magnetic Resonance (NMR) studies is essential to uncover molecular mechanisms of protein regulation by phosphorylation. While genetic code expansion (GCE) technologies for...
nmrlearner
Journal club
0
10-21-2022 07:28 PM
[NMR paper] ARTSY-J: Convenient and precise measurement of 3JHNH? couplings in medium-size proteins from TROSY-HSQC spectra
ARTSY-J: Convenient and precise measurement of 3JHNH? couplings in medium-size proteins from TROSY-HSQC spectra
Publication date: Available online 3 May 2016
Source:Journal of Magnetic Resonance</br>
Author(s): Julien Roche, Jinfa Ying, Yang Shen, Dennis A. Torchia, Ad Bax</br>
A new and convenient method, named ARTSY-J, is introduced that permits extraction of the 3 J HNH? couplings in proteins from the relative intensities in a pair of 15N-1H TROSY-HSQC spectra. The pulse scheme includes 3 J HNH? dephasing of the narrower TROSY 1HN-{15N} doublet component...
nmrlearner
Journal club
0
05-05-2016 03:15 AM
Accurate measurement of 3 J HNHα couplings in small or disordered proteins from WATERGATE-optimized TROSY spectra
Accurate measurement of 3 J HNHα couplings in small or disordered proteins from WATERGATE-optimized TROSY spectra
Abstract
Provided that care is taken in adjusting the WATERGATE element of a 1Hâ??15N TROSY-HSQC experiment, such that neither the water magnetization nor the 1Hα protons are inverted by its final 180° pulse, 3JHNHα couplings can be measured directly from splittings in the 1H dimension of the spectrum. With band-selective 1H decoupling, very high 15N resolution can be achieved. A complete set of 3JHNHα values, ranging from 3.4 to...
PACSY, a relational database management system for protein structure and chemical shift analysis
PACSY, a relational database management system for protein structure and chemical shift analysis
Abstract PACSY (Protein structure And Chemical Shift NMR spectroscopY) is a relational database management system that integrates information from the Protein Data Bank, the Biological Magnetic Resonance Data Bank, and the Structural Classification of Proteins database. PACSY provides three-dimensional coordinates and chemical shifts of atoms along with derived information such as torsion angles, solvent accessible surface areas, and hydrophobicity scales. PACSY consists of six relational...