Resonance bonding in XNgY (X = F, Cl, Br, I; Ng = Kr or Xe; Y = CN or NC) molecules: an NBO/NRT investigation.

abstract：:To determine the kinase inhibitory potential of natural products that could be utilized in lung cancer therapy in the near future, a pharmacophore-based activity profiling protocol using parallel pharmacophore-based virtual screening of ZINC-a natural product database-was employed. The work presented here is based on ...

journal_title：Journal of molecular modeling

authors： Singh PK,Silakari O

更新日期：2018-10-20 00:00:00

abstract：:The structural and energetic properties of native and oxidized telomeric complexes were defined by means of molecular dynamic (MD) simulations. As a starting point, the experimental conformation of B-DNA d(GpTpTpApGpGpGpTpTpApGpGpG) oligomer bound to human protein telomeric repeat binding factor 1 (TRF1) was used. The...

journal_title：Journal of molecular modeling

authors： Czeleń P,Cysewski P

更新日期：2013-08-01 00:00:00

abstract：:In this work, a scheme to generate exact wave functions and eigenvalues for the spherically symmetric three-dimensional position-dependent effective mass Schrödinger equation is presented. The methodology is implemented by means of separation of variables and point canonical transformations that allow to recognize a r...

journal_title：Journal of molecular modeling

authors： Ovando G,Morales J,López-Bonilla JL

更新日期：2013-05-01 00:00:00

abstract：:We here report a combined quantum mechanical/molecular mechanical (QM/MM) molecular dynamics (MD) study on the binding interactions between the α(V)β₃ integrin and eight cyclic arginine-glycine-aspartate (RGD) containing peptides. The initial conformation of each peptide within the binding site of the integrin was det...

journal_title：Journal of molecular modeling

authors： Xiang M,Lin Y,He G,Chen L,Yang M,Yang S,Mo Y

更新日期：2012-11-01 00:00:00

abstract：:A good understanding of the inhibition mechanism of enzymes exhibiting high levels of similarity is the first step to the discovery of new drugs with selective potential. Examples of such proteins include glycogen synthase kinase-3 (GSK-3β) and cyclin-dependent kinase 2 (CDK-2). This article reports the mechanism of s...

journal_title：Journal of molecular modeling

authors： Czeleń P

更新日期：2017-08-01 00:00:00

abstract：:Bacillus anthracis has been employed as an agent of bioterrorism, with high mortality, despite anti-microbial treatment, which strongly indicates the need of new drugs to treat anthrax. Shikimate pathway is a seven step biosynthetic route which generates chorismic acid from phosphoenol pyruvate and erythrose-4-phospha...

journal_title：Journal of molecular modeling

authors： Barcellos GB,Caceres RA,de Azevedo WF Jr

更新日期：2009-02-01 00:00:00

abstract：:Reactions of lithium halide (LiX, X = F, Cl, Br and I) and methyl halide (CH₃X, X = F, Cl, Br and I) have been investigated at the B3LYP/6-31G(d) level of theory using the microhydration model. Beginning with hydrated lithium ion, four or two water molecules have been conveniently introduced to these aqueous-phase hal...

journal_title：Journal of molecular modeling

authors： Zheng S,Xiong Y,Wang J

更新日期：2010-12-01 00:00:00

abstract：:The pathogen Legionella longbeachae is a causative agent of legionellosis. The antibiotic resistance is the major problem of this modern world. Thus, selective pressure warrants the need for identification of newer drug target. In current study, subtractive proteomics approach screen out SIS (sugar isomerase) domain p...

journal_title：Journal of molecular modeling

authors： Ahmad F,Shabaz Z,Azam SS

更新日期：2020-08-03 00:00:00

abstract：:A detailed investigation of the structure, electronic, spectroscopic, and optical properties of a series of transition metal-doped tetraphenylporphyrins (TM-TPP; TM = Fe, Co, Ni, Cu and Zn) is performed under density functional framework. The structure and stability of tetraphenylporphyrin (TPP) and TM-TPPs are unders...

journal_title：Journal of molecular modeling

authors： Shah EV,Kumar V,Sharma BK,Rajput K,Chaudhary VP,Roy DR

更新日期：2018-08-18 00:00:00

abstract：:Compound P131 has been established to inhibit Cryptosporidium parvum's inosine monophosphate dehydrogenase (CpIMPDH). Its inhibitory activity supersedes that of paromomycin, which is extensively used in treating cryptosporidiosis. Through the per-residue energy decomposition approach, crucial moieties of P131 were ide...

journal_title：Journal of molecular modeling

authors： Omolabi KF,Iwuchukwu EA,Agoni C,Olotu FA,Soliman MES

更新日期：2021-01-09 00:00:00

abstract：:Models of the hydrogenoxalate (bioxalate, charge -1) and oxalate (charge -2) anions were developed for classical molecular dynamics (CMD) simulations and parametrized against ab initio molecular dynamics (AIMD) data from our previous study (Kroutil et al. (2016) J Mol Model 22:210). The interactions of the anions with...

journal_title：Journal of molecular modeling

authors： Kroutil O,Předota M,Kabeláč M

更新日期：2017-10-28 00:00:00

abstract：:A density functional theory investigation of adsorption of monomer, dimer and trimer forms of pyrrole on the outer surface of zigzag (7,0) single-walled carbon nanotube (SWCNT) has been reported. Geometries of the complexes were optimized using the M06-2X functional and the 6-31G(d,p) basis set. Moreover, 6-311G(d,p),...

journal_title：Journal of molecular modeling

authors： Shukla MK,Boddu V,Hill F

更新日期：2014-09-01 00:00:00

abstract：:A molecular modeling strategy is proposed to describe the temperature (T) dependence of solubility parameter (δ) for the amorphous polymers which exhibit glass-rubber transition behavior. The commercial forcefield "COMPASS" is used to support the atomistic simulations of the polymer. The temperature dependence behavio...

journal_title：Journal of molecular modeling

authors： Chen X,Yuan C,Wong CK,Zhang G

更新日期：2012-06-01 00:00:00

abstract：:The CFIm25 subunit of the heterotetrameric cleavage factor Im (CFIm) is a critical factor in the formation of the poly(A) tail at mRNA 3' end, regulating the recruitment of polyadenylation factors, poly(A) site selection, and cleavage/polyadenylation reactions. We previously reported the homologous protein (EhCFIm25) ...

journal_title：Journal of molecular modeling

authors： Ospina-Villa JD,García-Contreras J,Rosas-Trigueros JL,Ramírez-Moreno E,López-Camarillo C,Zamora-López B,Marchat LA,Zamorano-Carrillo A

更新日期：2018-07-12 00:00:00

abstract：:The binding geometry of fluorouracil/cucurbit[n]urils (CB[n]s) complexes with n = 5-8 is investigated using the first-principles van der Waals density functional (vdW-DF) method, involving full geometry optimization. Such host-guest complexes are typically calculated using conventional DFT method, which significantly ...

journal_title：Journal of molecular modeling

authors： Sabet M,Ganji MD

更新日期：2013-09-01 00:00:00

abstract：:Acylthiocarbamates (ATCs) have been identified as a class of potent non-nucleoside HIV-1 reverse transcriptase (RT) inhibitors. A computational strategy based on molecular docking studies followed by comparative molecular fields analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) was used t...

journal_title：Journal of molecular modeling

authors： Cichero E,Cesarini S,Spallarossa A,Mosti L,Fossa P

更新日期：2009-07-01 00:00:00

abstract：:Nitrogen (N)-doped carbons reportedly exhibit good electrocatalytic activity for the oxygen reduction reaction (ORR) of fuel cells. This work provides theoretical insights into the ORR mechanism of N-doped graphene by using density functional theory calculations. All possible reaction pathways were investigated, and t...

journal_title：Journal of molecular modeling

authors： Zhang J,Wang Z,Zhu Z

更新日期：2013-12-01 00:00:00

abstract：:In this study, eight oxytocin (OT) antagonists were subjected to conformational analysis. By means of simulated annealing, 2,000 structures were generated to sample the conformational space. The preferred main-chain and side-chain dihedral angles, intramolecular H-bond interactions (types 1<--4 and 1<--3), and seconda...

journal_title：Journal of molecular modeling

authors： Jójárt B,Márki A

更新日期：2006-09-01 00:00:00

abstract：:The mechanism of the cycloaddition reaction CH3M≡MCH3 (M=C, Si, Ge) with C2H4 has been studied at the CCSD(T)/6-311++G(d,p)//MP2/6-311++G(d,p) level. Vibrational analysis and intrinsic reaction coordinate (IRC), calculated at the same level, have been applied to validate the connection of the stationary points. The br...

journal_title：Journal of molecular modeling

authors： Huo S,Li X,Zeng Y,Zheng S,Meng L

更新日期：2013-09-01 00:00:00

abstract：:The adsorption of the molecules CO, CO2, and H2 on several ceria and zinc oxide surfaces was studied by means of periodical DFT calculations and compared with infrared frequency data. The stable CeO2(111), CeO2(331), and ZnO(0001) perfect faces were the first substrates considered. Afterwards, the same surfaces with o...

journal_title：Journal of molecular modeling

authors： Reimers WG,Baltanás MA,Branda MM

更新日期：2014-06-01 00:00:00

abstract：:Ab initio and molecular simulation methods were used in calculations of the neutral individual betulin molecule, and molecular simulations were used to optimize the betulin molecule immersed in various amounts of water. Individual betulin was optimized in different force fields to find the one exhibiting best agreemen...

journal_title：Journal of molecular modeling

authors： Pospíšil M,Kovář P,Vácha R,Svoboda M

更新日期：2012-01-01 00:00:00

abstract：:We design four high performance non-fullerene acceptor materials by applying strong electron withdrawing groups at the end of A-D-A-D-A type organic solar cells molecules and compute their different opto-electronic and photovoltaic properties, including absorption spectrum, electron density, solubility strength, charg...

journal_title：Journal of molecular modeling

authors： Ali U,Javed A,Tallat A,Iqbal J,Raza A

更新日期：2019-01-31 00:00:00

abstract：:Very recently, an unprecedented novel monometallic cluster of fullerenes entrapping a yttrium cyanide (YCN) cluster inside a popular C82 cage YCN@Cs(6)-C82 was synthesized and characterized. Inspired by this investigation, four non-IPR YCN@C1(17459)-C76, YCN@C2v(19138)-C76, YCN@C2(17646)-C76, and YCN@C1(17894)-C76 (1,...

journal_title：Journal of molecular modeling

authors： Gao FW,Xu HL,Su ZM

更新日期：2016-08-01 00:00:00

abstract：:In this work, hybrid functional and G4 methods were employed in the rational design of carbonitrile-carboxaldehyde receptor models for cation recognition. Electron-sharing and ionic interactions between the models and the cations were analyzed utilizing the concepts of overlap population, atomic valence, electrostatic...

journal_title：Journal of molecular modeling

authors： Rosli AN,Abu Bakar MA,Lee VS,Zain SM,Ahmad MR,Abdul Manan NS,Alias Y,Woi PM

更新日期：2014-09-01 00:00:00

abstract：:Six nitramines (N1-6) were designed with all possible arrangements of N-NO2 groups on a cyclic skeleton and structural optimization was performed using the density functional theory (DFT). We observed that all nitramines have high positive heats of formation proportionate to the number of N-NO2 groups in their molecul...

journal_title：Journal of molecular modeling

authors： Devi A,Deswal S,Dharavath S,Ghule VD

更新日期：2015-11-01 00:00:00

abstract：:Membranolytic anticancer peptides (ACPs) are drawing increasing attention as potential future therapeutics against cancer, due to their ability to hinder the development of cellular resistance and their potential to overcome common hurdles of chemotherapy, e.g., side effects and cytotoxicity. In this work, we present ...

journal_title：Journal of molecular modeling

authors： Grisoni F,Neuhaus CS,Hishinuma M,Gabernet G,Hiss JA,Kotera M,Schneider G

更新日期：2019-04-05 00:00:00

abstract：:The geometrical structure and electronic properties of bis(10-hydroxybenzo[h]quinolinato)beryllium (Bebq2) molecule and its dimer both in the neutral and in the positively and negatively charged states were studied using quantum-chemical calculations. It is found that the excess charge in the charged systems is locali...

journal_title：Journal of molecular modeling

authors： Safonov AA,Bagaturyants AA

更新日期：2014-08-01 00:00:00

abstract：:The pathway and ab initio direct kinetics of the decomposition 5-aminotetrazole (5-ATZ) to HN(3) and NH(2)CN was investigated. Reactant, products and transition state were optimized with MP2 and B3LYP methods using 6-311G** and aug-cc-pVDZ basis sets. The intrinsic reaction coordinate curve of the reaction was calcula...

journal_title：Journal of molecular modeling

authors： Zhang JG,Feng LN,Zhang SW,Zhang TL,Zheng HH

更新日期：2008-05-01 00:00:00

abstract：:The conformational analysis of polynorbornene (PNB) chains was investigated with the AM1, MM2, AMBER and OPLS methods taking into consideration the possibility of binding of norbornene monomers to each other at various positions, i.e. exo-exo, exo-endo, endo-endo. The chain that is formed by connecting exo-endo positi...

journal_title：Journal of molecular modeling

authors： Yilmaz SS,Abbasoğlu R,Hazer B

更新日期：2003-08-01 00:00:00

abstract：:It is well-established that many covalently-bonded atoms of Groups IV-VII have directionally-specific regions of positive electrostatic potential (σ-holes) through which they can interact with negative sites. In the case of Group VII, this is called "halogen bonding." We have studied two series of molecules: the F3MX ...

journal_title：Journal of molecular modeling

authors： Bundhun A,Ramasami P,Murray JS,Politzer P

更新日期：2013-07-01 00:00:00