Supramolecular synthon pattern in solid clioquinol and cloxiquine (APIs of antibacterial, antifungal, antiaging and antituberculosis drugs) studied by ³⁵Cl NQR, ¹H-¹⁷O and ¹H-¹⁴N NQDR and DFT/QTAIM.

abstract：:Adsorption of paracresol and water into the silicalite-1 (MFI) zeolite has been investigated using canonical and grand-canonical Monte Carlo simulations. The most stable sites of adsorption of paracresol are found to be located at the channel intersections. Grand-canonical simulations have shown that at low loading, w...

journal_title：Journal of molecular modeling

authors： Boulet P,Narasimhan L,Berg'e-Lefranc D,Kuchta B,Schäf O,Denoyel R

更新日期：2009-06-01 00:00:00

abstract：:CD44 is a cell-surface glycoprotein and receptor for hyaluronan, one of the major components of the tumor extracellular matrix. There is evidence that the interaction between CD44 and hyaluronan promotes breast cancer metastasis. Recently, the molecule F-19848A was shown to inhibit hyaluronan binding to receptor CD44 ...

journal_title：Journal of molecular modeling

authors： Nguyen TT,Tran DP,Pham Dinh Quoc Huy,Hoang Z,Carloni P,Van Pham P,Nguyen C,Li MS

更新日期：2016-07-01 00:00:00

abstract：:1,3-Dimethylimidazolium dimethylphosphate ([C1mim][DMP]) was observed experimentally to be able to eliminate the atmospheric azeotropic point of acetone and methanol, which is an important azeotrope generally encountered in furfural production and the Fischer-Tropsch process. Here, we employed ab initio calculation to...

journal_title：Journal of molecular modeling

authors： Yu G,Liu X,Zhang X,Chen X,Liu Z,Abdeltawab AA

更新日期：2017-03-01 00:00:00

abstract：:With the help of quantum mechanical calculations, we have examined the series of central system X(ML)(3) (+)(X = O, S, Se; M = Au, Ag, Cu). Using a scalar-relativistic density functional approach, we studied the geometry structures, Mulliken populations and charges of the systems. Structure parameters of the experimen...

journal_title：Journal of molecular modeling

authors： Fang H,Wang SG

更新日期：2007-01-01 00:00:00

abstract：:The binding behavior of coinage metal anions with some electron-deficient arenes has been investigated by MP2 calculations, and the character of interactions in these complexes has been examined by NBO analysis. The results indicate that coinage metal anions can interact with electron-deficient arenes to form anion-π,...

journal_title：Journal of molecular modeling

authors： Chen Y,Wang F

更新日期：2015-03-01 00:00:00

abstract：:Nearly all RNA viruses produce double-stranded RNA (dsRNA) during their replication cycles--an important pathogen-associated molecular pattern recognized by the RNA interference (RNAi) pathway in invertebrates and plants. Nodamura virus (NoV) encodes a suppressor of RNA silencing termed B2, which binds to dsRNA and pr...

journal_title：Journal of molecular modeling

authors： Allen WJ,Wiley MR,Myles KM,Adelman ZN,Bevan DR

更新日期：2014-03-01 00:00:00

abstract：:The first and second moment operators are used to define the origin invariant shape and size of a molecule or functional group, as well as expressions for the distance between two electrons and the distance between an electron and a nucleus. The measure of molecular size correlates quite well with an existing theoreti...

journal_title：Journal of molecular modeling

authors： Hollett JW,Poirier RA

更新日期：2009-06-01 00:00:00

abstract：:The formation of selenium species in some biological processes involves the generation of ionic and radical intermediates such as RSe●, RSe-, RSeO●, and RSeO-, among others. We performed a theoretical study of the possible mechanisms for the reaction of the two simplest Se radicals-the hydroselenyl (HSe●) and seleneni...

journal_title：Journal of molecular modeling

authors： Vega-Teijido MA,Kieninger M,Ventura ON

更新日期：2017-12-05 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：:The effects of substituting nitrogen atoms on the stability of novel singlet (s) and triplet (t) forms of germylenes (1-20) are compared and contrasted, at B3LYP/AUG-cc-pVTZ level of theory. Every one of the 40 new divalents scrutinized appears as a minimum on its energy surface, for showing no negative force constant...

journal_title：Journal of molecular modeling

authors： Abedini N,Kassaee MZ

更新日期：2020-10-31 00:00:00

abstract：:This paper investigates the thermodynamics of gas-phase CO(2) cascade uptake-reactions in the form of carbonate or monomethylcarbonate anions in the host cavity of various dinuclear octa-azacryptates of m-CH(2)C(6)H(4)CH(2) and 2,5-furano-spaced hosts, L (1) and L (2) cryptands, using density functional theory (DFT). ...

journal_title：Journal of molecular modeling

authors： El-Hendawy MM,English NJ,Mooney DA

更新日期：2011-12-01 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：:Tuberculosis still remains one of the most deadly infectious diseases. The emergence of drug resistant strains has fuelled the quest for novel drugs and drug targets for its successful treatment. Thymidine monophosphate kinase (TMPK) lies at the point where the salvage and de novo synthetic pathways meet in nucleotide...

journal_title：Journal of molecular modeling

authors： Kumar M,Sharma S,Srinivasan A,Singh TP,Kaur P

更新日期：2011-05-01 00:00:00

abstract：:Carbon monoxide (CO) and oxygen (O2) catalyzed by small neutral iron oxide clusters (FeO(1-3)) was investigated at the density functional level of theory using the Becke-Perdew-Wang functional (BPW91). Three reaction pathways along with singlet, triplet and quintet states were calculated for ascertaining the presence ...

journal_title：Journal of molecular modeling

authors： Wang HJ,Wang YC

更新日期：2014-06-01 00:00:00

abstract：:Trocarin belongs to group D of prothrombin activators derived from snake venom of Tropidechis carinatus and is a rich non-hepatic source of Xa, the only known hepatic prothrombin activator. The structural and functional similarity with Xa makes trocarin an interesting target for exploring the structure-functional rela...

journal_title：Journal of molecular modeling

authors： Venkateswarlu D,Krishnaswamy S,Darden TA,Pedersen LG

更新日期：2002-10-01 00:00:00

abstract：:Ab initio calculations were performed to study the quantum chemistry reactions mechanisms among Hg(0), elemental halogen and O3. The geometry of reactions, transition states (TS), intermediates (M) and products were optimized using the MP2 method at the SDD basis function level for Hg, and using 6-311++G (3df, 3pd) fo...

journal_title：Journal of molecular modeling

authors： Gao Z,Lv S,Yang W,Yang P,Ji S,Meng X

更新日期：2015-06-01 00:00:00

abstract：:Metallo-β-lactamases (MβLs) can hydrolyze and deactivate lactam-containing antibiotics, which are the major mechanism to cause drug resistance in the treatment of bacterial infections. This has become a global concern due to the lack of clinically approved inhibitors so far. SMB-1 from Serratia marcescents is a novel ...

journal_title：Journal of molecular modeling

authors： Mu X,Xu D

更新日期：2020-03-07 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：: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：:Understanding how temperature affects the electronic transitions of BFO is important for design of BiFeO3 (BFO)-based temperature-sensitive device. Hitherto, however, there have been only very limited reports of the quantitative simulation. Here, we used density functional theory (DFT) and two-dimensional correlation ...

journal_title：Journal of molecular modeling

authors： Bian L,Xu JB,Song MX,Dong FQ,Dong HL,Shi FN,Zhang XY,Duan T

更新日期：2015-04-01 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 treatment of bacterial infections is currently threatened by the emergence of pathogenic bacteria producing β-lactamase, which catalyzes the hydrolysis of β-lactams. Although the hydrolysis of the substrate nitrocefin by a metallo-β-lactamase, namely β-lactamase N1 from USA300 (a typical methicillin-resistant Stap...

journal_title：Journal of molecular modeling

authors： Yu Y,Wang X,Gao Y,Yang Y,Sun L,Wang G,Deng X,Niu X

更新日期：2019-04-13 00:00:00

abstract：:This work presents a theoretical study of gallium arsenide (GaAs) nanotubes obtained from the (100), (110) and (111) crystal planes of zincblende structure in order to evaluate the electronic properties. The DFT/B3LYP/6-31G method was used to predict structures and stabilities. It was found that nanotubes from the (11...

journal_title：Journal of molecular modeling

authors： Silva JCF,Dos Santos JD,Taft CA,Martins JBL,Longo E

更新日期：2017-07-01 00:00:00

abstract：:Although molecularly targeted therapy with imatinib has improved treatments of chronic myeloid leukemia (CML), clinical resistance gradually develops in patients with accelerated or blast phase CML. The inability of imatinib to cure CML suggests that inactivation of BCR-ABL kinase activity alone is not sufficient to c...

journal_title：Journal of molecular modeling

authors： Shao S,Yu R,Yu Y,Li Y

更新日期：2014-08-01 00:00:00

abstract：:Quantum chemical calculations of the structures and stabilities of the title series at the CCSD(T) theoretical level are performed. Laplacian, electron density deformation, electron localization function and reduced density gradient analysis are investigated to explore the nature of the interaction. The results show t...

journal_title：Journal of molecular modeling

authors： Li X

更新日期：2012-03-01 00:00:00

abstract：:Vertical ionization energies (VIEs) of medazepam, nordazepam and their molecular subunits have been calculated using the electron propagator method in the P3/CEP-31G* approximation. Vertical electron affinities (VEAs) have been obtained with a ∆SCF procedure at the DFT-B3LYP/6-31+G* level of theory. Excellent correlat...

journal_title：Journal of molecular modeling

authors： Millefiori S,Alparone A

更新日期：2011-02-01 00:00:00

abstract：:The Grand Canonical Monte Carlo method was used to analyse the phenomenon of adsorption of aromatic compounds (i.e. phenol, toluene, benzoic acid and salicylic acid) on the surface of the titania-silica (TiO2/SiO2) catalyst. We found that different types of interactions play important roles in the adsorption of molecu...

journal_title：Journal of molecular modeling

authors： Szyja B,Brodzik K

更新日期：2007-07-01 00:00:00

abstract：:The aquatic leech, Theromyzon tessulatum, secretes a proteinaceous cocoon with extraordinary physical properties (e.g., proteolytic, thermal resiliency). The deduced amino acid sequence of a major protein (Tcp-Theromyzon cocoon protein) from the T. tessulatum cocoon wall has been used to model the endogenous structure...

journal_title：Journal of molecular modeling

authors： Mason TA,McIlroy PJ,Shain DH

更新日期：2006-09-01 00:00:00

abstract：:Three-dimensional pharmacophore models of human adenosine receptor A(₂A) antagonists were developed based on 23 diverse compounds selected from a large number of A(₂A) antagonists. The best pharmacophore model, Hypo1, contained five features: one hydrogen bond donor , three hydrophobic points and one ring aromatic. It...

journal_title：Journal of molecular modeling

authors： Xu Z,Cheng F,Da C,Liu G,Tang Y

更新日期：2010-12-01 00:00:00

abstract：:Effects of substituents on anion binding in different urea based receptors have been examined using density functional (B3LYP/6-311+G**) level of theory. The complexes formed by a variety of substituted urea with a halide anion (fluoride) and an oxy-anion (acetate) have been calculated. The stronger complexes were pre...

journal_title：Journal of molecular modeling

authors： Ghosh A,Jose DA,Das A,Ganguly B

更新日期：2010-09-01 00:00:00