Mohammad Khavani
Ferdowsi University of Mashhad
[ 1 ] - Secondary Structure Effects on the Acidity of Histidine and Lysine-Based Peptides Model; A Theoretical Study
In this study, the effect of the secondary structure of the protein on the acid strength of three structures of random (R), alpha helix (α) and beta sheet (b) were investigated theoretically. These structures are related to the cationic amino acids of histidine and lysine in the polypeptide chain of eight-glycine residue. Computational methods at the HF, B3LYP, X3LYP and M05-2X levels in t...
[ 2 ] - Ortho-phenylenediamine Based Bis-ureas as the Ion Selective Sensors; A QM/MD Study
Density functional theory dispersion corrected (DFT-D3)calculations and molecular dynamic (MD) simulation were applied to investigate the sensing ability of four types of receptors (RCs) composed of the ortho-phenylenediamine based bis-ureas for selective complexation with the anions such as Cl–, Br–, OAC–, PhCO2–, H2PO4– and HSO4– in the gas phase and DMSO. On the basis of the data obtained fr...
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