De novo design of anticancer peptides by ensemble artificial neural networks.

abstract：:The performances of quantum chemistry methods (i.e., DFT and ab initio) in calculating the structural and vibrational properties of phosphates and phosphorylated compounds have been evaluated. Diethyl-phosphate, phosphonic acid, dihydrogen phosphate anion, phosphoric acid dimer and protonated glycylphosphotyrosine dip...

journal_title：Journal of molecular modeling

authors： Sharma A,Ohanessian G,Clavaguéra C

更新日期：2014-09-01 00:00:00

abstract：:In advanced oxidation processes (AOPs), the detailed degradation mechanisms of a typical explosive of 2,4-dinitrotoluene (DNT) can be investigated by the density function theory (DFT) method at the SMD/M062X/6-311+G(d) level. Several possible degradation routes for DNT were explored in the current study. The results s...

journal_title：Journal of molecular modeling

authors： Zhou Y,Yang Z,Yang H,Zhang C,Liu X

更新日期：2017-04-01 00:00:00

abstract：:Temperature dependences of the spontaneous polarization and the dielectric constant are calculated near the paraelectric-ferroelectric (cubic-tetragonal) transition in BaTiO3 using our mean field model. By expanding the free energy in terms of the spontaneous polarization (order parameter), expressions for the tempera...

journal_title：Journal of molecular modeling

authors： Yurtseven H,Kiraci A

更新日期：2013-09-01 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 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 C-terminus tail (G144-T149) of the hyperthermophile Sulfolobus tokodaii (Sto-RNase HI) plays an important role in this protein's hyperstabilization and may therefore be a good protein stability tag. Detailed understanding of the structural and dynamic effects of C-terminus tail deletion is required for gaining ins...

journal_title：Journal of molecular modeling

authors： Chen L,Zhang JL,Zheng QC,Chu WT,Xue Q,Zhang HX,Sun CC

更新日期：2013-06-01 00:00:00

abstract：:In erythrocytes, actively multiplying Plasmodium falciparum parasites exhibit a unique signature of virulence associated histone modifications, thereby epigenetically regulating the expression of the majority of genes. Histone acetylation is one such modification, effectuated and maintained by the dynamic interplay of...

journal_title：Journal of molecular modeling

authors： Kumar A,Dhar SK,Subbarao N

更新日期：2018-08-14 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：:A theoretical study of the photoluminescence (PL) of double-walled carbon nanotubes (DWCNTs) using density functional theory (DFT) theory is reported in this work. The DWCNTs are of the armchair/armchair type and the structures studied have the arrangements (3,3)/(2,2), (8,8)/(4,4), (12,12)/(6,6), (16,16)/(8,8), (6,6)...

journal_title：Journal of molecular modeling

authors： Victoria APR,de la Luz ADH,Juárez JM,Espinosa-Torres ND,Robles-Águila MJ,López JAL,Juárez-Díaz G

更新日期：2019-08-26 00:00:00

abstract：:The complementarity plot (CP) is an established validation tool for protein structures, applicable to both globular proteins (folding) as well as protein-protein complexes (binding). It computes the shape and electrostatic complementarities (Sm, Em) for amino acid side-chains buried within the protein interior or inte...

journal_title：Journal of molecular modeling

authors： Basu S

更新日期：2017-12-07 00:00:00

abstract：:The structures of non-ionic [Ag(Tu)(CN)] (1) and ionic [Ag(Dmtu)2]+[Ag(CN)2]- (2) and [Ag(Imt)2]+[Ag(CN)2]- (3) silver(I) complexes, where Tu = thiourea, Dmtu = N,N'-dimethylthiourea and Imt = imidazoline-2-thione), were modeled by periodic DFT/PAW-PBE calculations; results were in good agreement with experiments. The...

journal_title：Journal of molecular modeling

authors： Ahmad S,Georgieva I,Hanif M,Monim-Ul-Mehboob M,Munir S,Sohail A,Isab AA

更新日期：2019-03-08 00:00:00

abstract：:The Z-DNA-binding domain of human double-stranded RNA adenosine deaminase I (hZαADAR1) can specifically recognize the left-handed Z-DNA which preferentially occurs at alternating purine-pyrimidine repeats, especially the CG-repeats. The interactions of hZαADAR1 and Z-DNAs in different sequence contexts can affect many...

journal_title：Journal of molecular modeling

authors： Wang Q,Li L,Wang X,Liu H,Yao X

更新日期：2014-11-01 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

abstract：:Intramolecular and intermolecular hydrogen bonding in electronic excited states of calixarene building blocks bis(2-hydroxyphenyl)methane (2HDPM) monomer and hydrogen-bonded 2HDPM-H₂O complex were studied theoretically using the time-dependent density functional theory (TDDFT). Twenty-four stable conformations (12 pai...

journal_title：Journal of molecular modeling

authors： Wang S,Hao C,Gao Z,Chen J,Qiu J

更新日期：2013-04-01 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：:The substituted effect on excited-state intramolecular proton transfer (ESIPT) of o-LHBDI derivatives (4R-o-LHBDI) was investigated by DFT and TD-DFT methods. The structures of 4R-o-LHBDI (R: OH, NH2, CN, NO2, CF3) were fully optimized, and the H-bond distances, bond angles, and infrared spectra of the atoms involved ...

journal_title：Journal of molecular modeling

authors： Ni M,Su S,Fang H

更新日期：2020-04-23 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：:New ionic liquids (ILs) involving increasing numbers of organic and inorganic ions are continuously being reported. We recently developed a new force field; in the present work, we applied that force field to investigate the structural properties of a few novel imidazolium-based ILs in aqueous mixtures via molecular d...

journal_title：Journal of molecular modeling

authors： Chaban VV,Fileti EE

更新日期：2015-09-01 00:00:00

abstract：:In this work, the low-lying states of several isomers of ScSi n-/0 (n = 4-6) were investigated with the B3LYP functional and CASPT2 method. The ground states of the anionic clusters were predicted to be the singlet states of the trigonal bipyramid ScSi4- (A-ScSi4-), the face-capped trigonal bipyramid ScSi5- (A-ScSi5-)...

journal_title：Journal of molecular modeling

authors： Nguyen MT,Tran QT,Tran VT

更新日期：2017-09-20 00:00:00

abstract：:Noncovalent interactions in XCN···YO2H (X = F, Cl, Br, I; Y = P, As, Sb) complexes were investigated using ab initio calculations at the MP2/aug-cc-pVDZ level of theory. There are four different configurations of these complexes, and the complexes are formed via hydrogen bonds, halogen bonds, π-hole interactions, or d...

journal_title：Journal of molecular modeling

authors： Zhao Q

更新日期：2017-06-01 00:00:00

abstract：:Recently inulinase has regained interest due to its usage in the production of fructooligosaccharides, biofuels, and in pharmaceutical industries. Inulinases properties are experimentally reported by nomerous studies but their characteristics are just partially explained by only a few computational investigations. In ...

journal_title：Journal of molecular modeling

authors： Singh PK,Joseph J,Goyal S,Grover A,Shukla P

更新日期：2016-04-01 00:00:00

abstract：:Three potential anticancer agents {trans-[PtCl(2)(NH(3))(thiazole)], cis-[PtCl(2)(NH(3))(piperidine)], and PtCl(2)(NH(3))(cyclohexylamine) (JM118)} were explored and compared with cisplatin and the inactive [PtCl(dien)](+) complex. Basic electronic properties, bonding and stabilization energies were determined, and th...

journal_title：Journal of molecular modeling

authors： Bradác O,Zimmermann T,Burda JV

更新日期：2008-08-01 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 stability of cyclic peptide assemblies (CPs) forming a macromolecular nanotube structure was investigated in solvents of different polarity using computational methods. The stability and structure of the complexes were studied using traditional molecular dynamics (MD). Energy of dissociation was estimated from ste...

journal_title：Journal of molecular modeling

authors： Vijayakumar V,Vijayaraj R,Peters GH

更新日期：2016-11-01 00:00:00

abstract：:Solar-assisted water splitting using photoelectrochemical cells (PECs) is one of the promising ways for the production of hydrogen to store renewable energy. Semiconducting materials are used as a key factor which controls the overall energy conversion efficiency in PECs. However, finding new semiconductors with appro...

journal_title：Journal of molecular modeling

authors： Uğur Ş,Akbudak S,Kushwaha AK,Bayrak G

更新日期：2020-05-15 00:00:00

abstract：:Numerous studies suggest that two-phase morphology and thick interface are separately beneficial to the viscosity reduction and mechanical property maintainence of the matrix when normal molecular weight polymer (NMWP) is used for modification of ultrahigh molecular weight polyethylene (UHMWPE). Nevertheless, it is ve...

journal_title：Journal of molecular modeling

authors： Gai JG,Zuo Y

更新日期：2012-06-01 00:00:00

abstract：:Theoretical adiabatic electron affinities are often considered inaccurate because they are referenced to only a single value. Ground state electron affinities for all the main group elements and homonuclear diatomics were identified recently using the normalized binding energy of the hydrogen atom: [0.75420375(3)/2 = ...

journal_title：Journal of molecular modeling

authors： Chen ES,Keith H,Lim T,Pham D,Rosenthal R,Herder C,Pai S,Flores RA,Chen EC

更新日期：2015-04-01 00:00:00

abstract：:Insulin-like growth factor-binding proteins (IGFBPs) control bioactivity and distribution of insulin-like growth factors (IGFs) through high-affinity complex of IGFBP and IGF. To get more insight into the binding interaction of IGF system, the site-directed mutagenesis and force-driving desorption methods were employe...

journal_title：Journal of molecular modeling

authors： Chen X,Zhu S,Duan D,Wu T,Wang Q

更新日期：2013-12-01 00:00:00

abstract：:Quantum chemical calculations have been performed to study the all-metal π halogen bonding in Al(4)(2-)···halohydrocarbon complexes. The result shows the existence of the all-metal π halogen bond in the complexes. There are three interaction modes (top, corner, and side) between Al(4)(2-) and halohydrocarbon. The inte...

journal_title：Journal of molecular modeling

authors： Li R,Li Q,Cheng J,Li W

更新日期：2012-06-01 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