Enhancing and modulating the intrinsic acidity of imidazole and pyrazole through beryllium bonds.

abstract：:Periplasmic binding proteins are the initial receptors for the transport of various substrates over the inner membrane of gram-negative bacteria. The binding proteins are composed of two domains, and the substrate is entrapped between these domains. For several of the binding proteins it has been established that a cl...

journal_title：Journal of molecular modeling

authors： Siuda I,Thøgersen L

更新日期：2013-11-01 00:00:00

abstract：:The relationship of Wiener's topochemical index-a distance based topochemical index, molecular connectivity topochemical index-an adjacency based topochemical index and eccentric connectivity topochemical index-an adjacency-cum-distance based topochemical index with sodium channel binding activity has been investigate...

journal_title：Journal of molecular modeling

authors： Gupta M,Madan AK

更新日期：2007-01-01 00:00:00

abstract：:We examine a short way to reach an exceptional point that corresponds to a coalescence of two resonance energies. The application concerns the photodissociation of the Na2 molecule exposed to a laser field. In this case, the resonances can be correlated with the field-free vibrational states of the diatomic species. T...

journal_title：Journal of molecular modeling

authors： Lefebvre R,Atabek O

更新日期：2013-05-01 00:00:00

abstract：:To date, no suitable vaccine or specific antiviral drug is available to treat Chikungunya viral (CHIKV) fever. Hence, it is essential to identify drug candidates that could potentially impede CHIKV infection. Here, we present the development of a homology model of nsP2 protein based on the crystal structure of the nsP...

journal_title：Journal of molecular modeling

authors： Singh KhD,Kirubakaran P,Nagarajan S,Sakkiah S,Muthusamy K,Velmurgan D,Jeyakanthan J

更新日期：2012-01-01 00:00:00

abstract：:The feasibility of electron transport conduction through a guanine base of DNA was investigated and then compared with another component of DNA, i.e., cytosine. A mathematical approach based on the jellium model using non-equilibrium Green's function combined with semi empirical extended Huckel theory was applied usin...

journal_title：Journal of molecular modeling

authors： Vohra R,Sawhney RS

更新日期：2018-11-01 00:00:00

abstract：:The p38-mitogen-activated protein kinases (p38-MAPKs) belong to a family of serine-threonine kinases activated by pro-inflammatory or stressful stimuli that are known to be involved in several diseases. Their biological importance, related to the release of inflammatory pro-cytokines such as tumor necrosis factor-alph...

journal_title：Journal of molecular modeling

authors： Romeiro NC,Albuquerque MG,de Alencastro RB,Ravi M,Hopfinger AJ

更新日期：2006-09-01 00:00:00

abstract：:The distinguishing property of Sm protein associations is very high stability. In order to understand this property, we analyzed the interfaces and compared the properties of Sm protein interfaces with those of a test set, the Binding Interface Database (BID). The comparison revealed that the main differences between ...

journal_title：Journal of molecular modeling

authors： Stojanović SD,Zarić BL,Zarić SD

更新日期：2010-11-01 00:00:00

abstract：:Understanding the interactions of the cage molecules with a variety of invited molecules is getting very important. But, the hydrogen bonds can also play a crucial role in the interaction phenomenon. In this work, natural population analysis (NPA), chemical shifts, and atom in molecules (AIM) analysis have been used t...

journal_title：Journal of molecular modeling

authors： Gassoumi B,Chaabene M,Ghalla H,Chaabane RB

更新日期：2019-12-13 00:00:00

abstract：:The intriguing decompositions of nitro-containing explosives have been attracting interest. While theoretical investigations have long been concentrated mainly on unimolecular decompositions, bimolecular reactions have received little theoretical attention. In this paper, we investigate theoretically the bimolecular r...

journal_title：Journal of molecular modeling

authors： Zhang JD,Kang LH,Cheng XL

更新日期：2015-01-01 00:00:00

abstract：:In this article, we explore, both theoretically and experimentally, the general reactivity of alkyl hydrogeno-phenylphosphinates with alcohols. We show that alcohol molecules act exclusively as nucleophilic species, and add to alkyl hydrogeno-phenylphosphinates, leading to pentacoordinated intermediates. These interme...

journal_title：Journal of molecular modeling

authors： Javierre G,Fortrie R,Jean M,Moraleda D,Naubron JV,Fotiadu F

更新日期：2017-05-01 00:00:00

abstract：:The structural parameters, Raman/IR spectra, and vibrational and thermodynamic properties of α-RDX and γ-RDX were investigated by performing first-principles calculations using the CASTEP program. The obtained structural parameters and vibrational frequencies of the internal modes of α-RDX are consistent with previous...

journal_title：Journal of molecular modeling

authors： Zhu SH,Qin H,Zeng W,Cai YM,Jin XY,Wang YH,Liu FS,Tang B,Liu QJ

更新日期：2019-06-07 00:00:00

abstract：:Hydrogen dissociative chemisorption and desorption on small lowest energy Ni(n) clusters up to n=13 as a function of H coverage was studied using density functional theory. H adsorption on the clusters was found to be preferentially at edge sites followed by 3-fold hollow sites and on-top sites. The minimum energy pat...

journal_title：Journal of molecular modeling

authors： Zhou C,Yao S,Zhang Q,Wu J,Yang M,Forrey RC,Cheng H

更新日期：2011-09-01 00:00:00

abstract：:The Schiff base compound, 2-[(4-Fluorophenylimino)methyl]-3,5-dimethoxyphenol, has been synthesized and characterized by IR, electronic spectroscopy, and X-ray single-crystal determination. Molecular geometry from X-ray experiment of the title compound in the ground state have been compared using the Hartree-Fock (HF)...

journal_title：Journal of molecular modeling

authors： Tanak H,Ağar A,Yavuz M

更新日期：2010-03-01 00:00:00

abstract：:The computational fragility spectra of atoms on the reaction path are presented for a selection of canonical processes represented by an amino group rotation around the (X)HC-NH(Y) bond (X = O, S; Y=H, CH3). Calculated spectra are found to very accurately describe the variation of atomic valence. Significant linear co...

journal_title：Journal of molecular modeling

authors： Zaklika J,Komorowski L,Ordon P

更新日期：2019-04-26 00:00:00

abstract：:The CO and O2 adsorption as well as CO oxidation on cationic, neutral, and anionic AuM dimers (M = Pd, Ag) are studied by density functional calculations. Our results show that CO and O2 are adsorbed more stably on AuPd dimers than on AuAg dimers with corresponding charge state. O2 is favorable to be adsorbed on Pd at...

journal_title：Journal of molecular modeling

authors： Chen X,Lu RF,Kan EJ,Liu YZ,Xiao CY,Deng KM

更新日期：2014-06-01 00:00:00

abstract：:Selective A(2B) receptor antagonists and agonists may play a role in important pathologies such as gastrointestinal, neurological (i.e., Alzheimer disease and dementia) and hypersensitive disorders (i.e., asthma), diabetes, atherosclerosis, restenosis and cancer. Hence, it is regarded as a good target for the developm...

journal_title：Journal of molecular modeling

authors： Mansourian M,Madadkar-Sobhani A,Mahnam K,Fassihi A,Saghaie L

更新日期：2012-09-01 00:00:00

abstract：:The interactions between chemosensors, donor-π-acceptor (D-π-A) dipolar organoboron derivatives, and different (CN⁻, F⁻, Cl⁻, and Br⁻) anions have been theoretically investigated using DFT approaches. Theoretical investigations have been performed to explore the optical, electronic, charge transport, and stability pro...

journal_title：Journal of molecular modeling

authors： Jin R,Tang S,Luo D

更新日期：2014-03-01 00:00:00

abstract：:This theoretical study presents a comparative analysis of the molecular properties of heterocyclic (C2H4O...HF and C2H5...HF) and homocyclic (C3H6...HF) hydrogen-bonded complexes. Initially, the equilibrium geometries of these complexes were analyzed in detail at the B3LYP/6-311++G(d,p) level of theory. Subsequently, ...

journal_title：Journal of molecular modeling

authors： Oliveira BG,Araújo RC,Carvalho AB,Ramos MN

更新日期：2009-02-01 00:00:00

abstract：:Hepatic fibrosis is a common complication of the infection by the parasite, Clonorchis sinensis. There is a high incidence of this disease in the Asian countries with an increased risk of conversion to cancer. A secretory phospholipase A(2) (PLA(2)) enzyme from the parasite is implicated in the pathology. This is an a...

journal_title：Journal of molecular modeling

authors： Hariprasad G,Kaur P,Srinivasan A,Singh TP,Kumar M

更新日期：2012-07-01 00:00:00

abstract：:Using addition theorems for complete orthonormal sets of exponential type orbitals in the momentum representation introduced by the author, the addition theorems are established for Slater type orbitals in momentum space. With the help of these addition theorems, the general series expansion formulae in terms of the p...

journal_title：Journal of molecular modeling

authors： Guseinov II

更新日期：2005-03-01 00:00:00

abstract：:Beta-lactamase (ampC) in general causes the onset of antibiotic resistance in pathogenic bacteria against the β-lactam antibiotics. Morganella morganii which belongs to the Proteae tribe of the Enterobacteriaceae family is a Gram-negative bacillus. Gram-negative bacteria are the key problematic agents among the human ...

journal_title：Journal of molecular modeling

authors： Alazmi M

更新日期：2020-07-07 00:00:00

abstract：:We present the synthesis and structure determination for two thiohydantoin compounds (5-benzylidene-2-sulfanylideneimidazolidin-4-one and 5-cinnamylidene-2-sulfanylideneimidazolidin-4-one), proposed as potential novel fungicides. The exact chemical structure of these molecules has not yet been determined since they ca...

journal_title：Journal of molecular modeling

authors： Kobyłka K,Żuchowski G,Tejchman W,Zborowski KK

更新日期：2019-08-24 00:00:00

abstract：:The ladder-type polyheterofluorenes were investigated theoretically by using density functional theory (DFT) to reveal their optical and electronic properties for applications in organic optoelectronic devices. The incorporation of heteroatoms (B, Si, Ge, N, P, O, and S) into the ladder-type highly fused polyfluorene ...

journal_title：Journal of molecular modeling

authors： Zheng C,Tao Y,Cao JZ,Chen RF,Zhao P,Wu XJ,Huang W

更新日期：2012-11-01 00:00:00

abstract：:In an attempt to analyze structure, function and evolution of HIV-1 GP120 V3, interactions among the Hartree-Fock energy, the conformational entropy and the Shannon entropy were determined for the 1NJ0 set of antibody-bound V3 loop conformers. The Hartree-Fock energy of each conformer was determined at the MINI level ...

journal_title：Journal of molecular modeling

authors： Weltman JK,Skowron G,Loriot GB

更新日期：2006-02-01 00:00:00

abstract：:In our work, three kinds of functional monomers were selected to modify polyacrylamide (PAM) or partially hydrolyzed polyacrylamide (HPAM) by molecular dynamics simulation so as to achieve the stronger salt-tolerance of modified HM-HPAM. The radius of gyration (R (g)), the hydrodynamic radius (...

journal_title：Journal of molecular modeling

authors： Yao L,Chen P,Ding B,Luo J,Jiang B,Zhou G

更新日期：2012-09-01 00:00:00

abstract：:Multi-tetrazole derivatives with conjugated structures were designed and investigated in this study. Using quantum chemistry methods, the crystal structures, electrostatic potentials (ESPs), multicenter bond orders, HOMO-LUMO energy gaps, and detonation properties of the derivatives were calculated. As expected, these...

journal_title：Journal of molecular modeling

authors： Sun S,Lu M

更新日期：2018-06-23 00:00:00

abstract：:The chain tacticity of a polymer is a key influence on its structure and dynamics, which ultimately determine its properties. While they have great potential to elucidate the influence of chain tacticity, all-atom molecular simulations are often restricted to short chains and small systems. In this work, two typical s...

journal_title：Journal of molecular modeling

authors： Wu C

更新日期：2014-08-01 00:00:00

abstract：:The ternary complexes ML∙∙∙PyZX2∙∙∙NH3 (ML = CuCl, CuCN, AgCN, and AuCN; Z = P, As, and Sb; X = H and F) have been investigated with quantum chemical calculations. The results showed that the existence of coordination interaction has a prominent enhancing effect on the strength of pnicogen bonding. Even in ML∙∙∙PySbH2...

journal_title：Journal of molecular modeling

authors： Tang Q,Li Q

更新日期：2016-03-01 00:00:00

abstract：:Chemokine receptor 2 (CCR2) is a G-protein coupled receptor (GPCR) and a crucial target for various inflammatory and autoimmune diseases. The structure based antagonists design for many GPCRs, including CCR2, is restricted by the lack of an experimental three dimensional structure. Homology modeling is widely used for...

journal_title：Journal of molecular modeling

authors： Kim JH,Lim JW,Lee SW,Kim K,No KT

更新日期：2011-10-01 00:00:00

abstract：:A theoretical investigation is completed on the mechanism of electrical breakdown strength increment of polyethylene. It is shown that it is one of the most important factors for increasing electrical breakdown strength of polyethylene through keto-enol isomerization of acetophenone and its analogues at the ground sta...

journal_title：Journal of molecular modeling

authors： Zhang H,Shang Y,Zhao H,Han B,Li Z

更新日期：2013-10-01 00:00:00