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Diamond Rotors Could Put a New Spin on Protein Studies - IEEE Spectrum
Jun 08, 2023 - 9:28 PM - by nmrlearner
nmrlearner's Avatar Diamond Rotors Could Put a New Spin on Protein Studies - IEEE Spectrum

Diamond Rotors Could Put a New Spin on Protein Studies IEEE Spectrum Read here
0 Replies | 180 Views
G-quadruplexes rescuing protein folding - pnas.org
Jun 08, 2023 - 9:28 PM - by nmrlearner
nmrlearner's Avatar G-quadruplexes rescuing protein folding - pnas.org

G-quadruplexes rescuing protein folding pnas.org Read here
0 Replies | 153 Views
A method for parallel microscale protein labeling and precise control ... - Nature.com
Jun 08, 2023 - 9:28 PM - by nmrlearner
nmrlearner's Avatar A method for parallel microscale protein labeling and precise control ... - Nature.com

A method for parallel microscale protein labeling and precise control ... Nature.com Read here
0 Replies | 141 Views
[NMR paper] Solution Structure Ensembles of the Open and Closed Forms of the ~130 kDa Enzyme I via AlphaFold Modeling, Coarse Grained Simulations, and NMR
Jun 06, 2023 - 9:06 PM - by nmrlearner
nmrlearner's Avatar Solution Structure Ensembles of the Open and Closed Forms of the ~130 kDa Enzyme I via AlphaFold Modeling, Coarse Grained Simulations, and NMR

Large-scale interdomain rearrangements are essential to protein function, governing the activity of large enzymes and molecular machineries. Yet, obtaining an atomic-resolution understanding of how the relative domain positioning is affected by external stimuli is a hard task in modern structural biology. Here, we show that combining structural modeling by AlphaFold2 with coarse-grained molecular dynamics simulations and NMR residual dipolar coupling data is sufficient to characterize the...

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0 Replies | 118 Views
[NMR paper] Adenosine A2A Receptor (A2AAR) Ligand Screening Using the 19F-NMR Probe FPPA
Jun 06, 2023 - 9:06 PM - by nmrlearner
nmrlearner's Avatar Adenosine A2A Receptor (A2AAR) Ligand Screening Using the 19F-NMR Probe FPPA

The binding affinity of G protein-coupled receptor (GPCR) ligands is customarily measured by radio-ligand competition experiments. As an alternative approach, ^(19)F nuclear magnetic resonance spectroscopy (^(19)F-NMR) is used for the screening of small-molecule lead compounds in drug discovery; the two methods are complementary in that the measurements are performed with widely different experimental conditions. Here, we used the structure of the A(2A) adenosine receptor (A(2A)AR) complex with...

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0 Replies | 106 Views
[NMR paper] Combining Solid-State NMR with Structural and Biophysical Techniques to Design Challenging Protein-Drug Conjugates
Jun 06, 2023 - 9:06 PM - by nmrlearner
nmrlearner's Avatar Combining Solid-State NMR with Structural and Biophysical Techniques to Design Challenging Protein-Drug Conjugates

Several protein-drug conjugates are currently being used in cancer therapy. These conjugates rely on cytotoxic organic compounds that are covalently attached to the carrier proteins or that interact with them via non-covalent interactions. Human transthyretin (TTR), a physiological protein, has already been identified as a possible carrier protein for the delivery of cytotoxic drugs. Here we show the structure-guided development of a new stable cytotoxic molecule based on a known strong binder...

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0 Replies | 107 Views
[NMR paper] Fitting Force Field Parameters to NMR Relaxation Data
Jun 06, 2023 - 9:06 PM - by nmrlearner
nmrlearner's Avatar Fitting Force Field Parameters to NMR Relaxation Data

We present an approach to optimize force field parameters using time-dependent data from NMR relaxation experiments. To do so, we scan parameters in the dihedral angle potential energy terms describing the rotation of the methyl groups in proteins and compare NMR relaxation rates calculated from molecular dynamics simulations with the modified force fields to deuterium relaxation measurements of T4 lysozyme. We find that a small modification of C^(?) methyl groups improves the agreement with...

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0 Replies | 126 Views
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