Protonation processes and electronic spectra of histidine and related ions

Z Huang, Z Lin, C Song - The Journal of Physical Chemistry A, 2007 - ACS Publications
A full structural assignment of the neutral, protonated, and deprotonated histidine
conformers in the gas phase is presented. A total of 3024 unique trial structures were …

Can the protonation state of histidine residues be determined from molecular dynamics simulations?

J Uranga, P Mikulskis, S Genheden, U Ryde - … and Theoretical Chemistry, 2012 - Elsevier
Histidine (His) residues in proteins can attain three different protonation states at normal pH.
This constitutes a prominent problem when adding protons to a protein crystal structure, eg …

The low energy tautomers and conformers of the dipeptides HisGly and GlyHis and of their sodium ion complexes in the gas phase

C Kapota, G Ohanessian - Physical Chemistry Chemical Physics, 2005 - pubs.rsc.org
The low-lying conformers of the dipeptides HisGly and GlyHis, and of their sodium cation
complexes, have been studied with a combination of Monte Carlo search with the Amber …

Protein-induced geometric constraints and charge transfer in bacteriochlorophyll–histidine complexes in LH2

PK Wawrzyniak, A Alia, RG Schaap… - Physical Chemistry …, 2008 - pubs.rsc.org
Bacteriochlorophyll–histidine complexes are ubiquitous in nature and are essential
structural motifs supporting the conversion of solar energy into chemically useful compounds …

Deciphering Structural Fingerprints for Metalloproteins with Quantum Chemical Calculations

Y Ling, Y Zhang - Annual Reports in Computational Chemistry, 2010 - Elsevier
Computational investigations of spectroscopic observables can help many experimental
studies and provide an important venue for the structural investigations of proteins. Here we …

Intraligand Hydrophobic Interactions Rationalize Drug Affinities for Peptidyl− Prolyl Cis− Trans Isomerase Protein

M Bizzarri, S Marsili, P Procacci - The Journal of Physical …, 2011 - ACS Publications
The conformational landscape of three FK506-related drugs with disparate inhibition
constants is determined in bulk solution using a replica exchange simulation method with …

5-Enolpyruvylshikimate-3-phosphate synthase: Determination of the protonation state of active site residues by the semiempirical method

AX de Souza, CMR Sant'Anna - Bioorganic chemistry, 2008 - Elsevier
EPSP synthase (EPSPS) catalyzes the addition of shikimate-3-phosphate (S3P) and
phosphoenolpyruvate (PEP) to form a tetrahedral intermediate (TI) that is converted to 5 …

Fragment 101− 108 of Myelin Oligodendrocyte Glycoprotein: A Possible Lead Compound for Multiple Sclerosis

C Guardiani, S Marsili, P Procacci… - Journal of the American …, 2009 - ACS Publications
Multiple Sclerosis (MS) is a highly invalidating autoimmune disease of the Central Nervous
System, leading to progressive paralysis and, sometimes, to premature death. One of the …

Density Functional Study of Manganese Complexes: Protonation Effects on Geometry and Magnetism

S Yamanaka, K Kanda, T Saito, Y Kitagawa… - Quantum Systems in …, 2012 - Springer
Protonation processes are ubiquitous in various biochemical reactions such as the water-
oxidizing reaction in photosystem II and detoxications of active oxygen species in Mn …

[PDF][PDF] Automatické dopl ˇnování vodík uv proteinových strukturách

Š Sovík - is.muni.cz
Textová část práce je členěna do šesti logických celků/kapitol. Ve druhé kapitole student
podává základní informace o proteinech, které jsou nezbytné pro pochopení kontextu …