Investigation of substituent effect of 1-(3,3-diphenylpropyl)-piperidinyl phenylacetamides on CCR5 binding affinity using QSAR and virtual screening techniques.

abstract：:We have developed PLASS (Protein-Ligand Affinity Statistical Score), a pair-wise potential of mean-force for rapid estimation of the binding affinity of a ligand molecule to a protein active site. This scoring function is derived from the frequency of occurrence of atom-type pairs in crystallographic complexes taken f...

journal_title：Journal of computer-aided molecular design

authors： Ozrin VD,Subbotin MV,Nikitin SM

更新日期：2004-04-01 00:00:00

abstract：:We describe a software tool that allows one to visualize and analyze the importance of each individual steric interaction in a molecular mechanics force field. ANLIZE is presently implemented for the Dreiding force field for use with the Cerius2 software package, but could be implemented in any molecular mechanics pac...

journal_title：Journal of computer-aided molecular design

authors： Stolworthy LD,Shirts RB

更新日期：1997-03-01 00:00:00

abstract：:We describe the performance of multiple pose prediction methods for the D3R 2016 Grand Challenge. The pose prediction challenge includes 36 ligands, which represent 4 chemotypes and some miscellaneous structures against the FXR ligand binding domain. In this study we use a mix of fully automated methods as well as hum...

journal_title：Journal of computer-aided molecular design

authors： Fradera X,Verras A,Hu Y,Wang D,Wang H,Fells JI,Armacost KA,Crespo A,Sherborne B,Wang H,Peng Z,Gao YD

更新日期：2018-01-01 00:00:00

abstract：:Two new computational tools, PRO_PHARMEX and PRO_SCOPE, for use in active-site-directed searching of 3D databases are described. PRO_PHARMEX is a flexible, graphics-based program facilitating the extraction of pharmacophores from the active site of a target macromolecule. These pharmacophores can then be used to searc...

journal_title：Journal of computer-aided molecular design

authors： Clark DE,Westhead DR,Sykes RA,Murray CW

更新日期：1996-10-01 00:00:00

abstract：:In virtual drug screening, the chemical diversity of hits is an important factor, along with their predicted activity. Moreover, interim results are of interest for directing the further research, and their diversity is also desirable. In this paper, we consider a problem of obtaining a diverse set of virtual screenin...

journal_title：Journal of computer-aided molecular design

authors： Nikitina N,Ivashko E,Tchernykh A

更新日期：2018-02-01 00:00:00

abstract：:Hydrogen bonds are the most specific, and therefore predictable of the intermolecular interactions involved in ligand-protein binding. Given the structure of a molecule, it is possible to estimate the positions at which complementary hydrogen-bonding atoms could be found. Crystal-survey data are used in the design of ...

journal_title：Journal of computer-aided molecular design

authors： Mills JE,Perkins TD,Dean PM

更新日期：1997-05-01 00:00:00

abstract：:All-atom molecular dynamics computer simulations were used to blindly predict the hydration free energies of a range of chloro-organic compounds as part of the SAMPL3 challenge. All compounds were parameterized within the framework of the OPLS-AA force field, using an established protocol to compute the absolute hydra...

journal_title：Journal of computer-aided molecular design

authors： Beckstein O,Iorga BI

更新日期：2012-05-01 00:00:00

abstract：:Glucokinase (GK) is involved in normal glucose homeostasis and therefore it is a valid target for drug design and discovery efforts. GK activators (GKAs) have excellent potential as treatments of hyperglycemia and diabetes. The combined recent interest in GKAs, together with docking limitations and shortages of dockin...

journal_title：Journal of computer-aided molecular design

authors： Taha MO,Habash M,Khanfar MA

更新日期：2014-05-01 00:00:00

abstract：:Chemical space networks (CSNs) have recently been introduced as an alternative to other coordinate-free and coordinate-based chemical space representations. In CSNs, nodes represent compounds and edges pairwise similarity relationships. In addition, nodes are annotated with compound property information such as biolog...

journal_title：Journal of computer-aided molecular design

authors： Zhang B,Vogt M,Maggiora GM,Bajorath J

更新日期：2015-10-01 00:00:00

abstract：:The Drug Design Data Resource (D3R) ran Grand Challenge 2015 between September 2015 and February 2016. Two targets served as the framework to test community docking and scoring methods: (1) HSP90, donated by AbbVie and the Community Structure Activity Resource (CSAR), and (2) MAP4K4, donated by Genentech. The challeng...

journal_title：Journal of computer-aided molecular design

authors： Gathiaka S,Liu S,Chiu M,Yang H,Stuckey JA,Kang YN,Delproposto J,Kubish G,Dunbar JB Jr,Carlson HA,Burley SK,Walters WP,Amaro RE,Feher VA,Gilson MK

更新日期：2016-09-01 00:00:00

abstract：:RNA interference (RNAi) is a critical cellular pathway activated by double stranded RNA and regulates the gene expression of target mRNA. During RNAi, the 3' end of siRNA binds with the PAZ domain, followed by release and rebinding in a cyclic manner, which deemed essential for proper gene silencing. Recently, we prov...

journal_title：Journal of computer-aided molecular design

authors： Kandeel M,Kitade Y

更新日期：2013-07-01 00:00:00

abstract：:In this paper we describe our approaches to predict the binding mode of twenty BACE1 ligands as part of Grand Challenge 4 (GC4), organized by the Drug Design Data Resource. Calculations for all submissions (except for one, which used AutoDock4.2) were performed using AutoDock-GPU, the new GPU-accelerated version of Au...

journal_title：Journal of computer-aided molecular design

authors： Santos-Martins D,Eberhardt J,Bianco G,Solis-Vasquez L,Ambrosio FA,Koch A,Forli S

更新日期：2019-12-01 00:00:00

abstract：:We used blind predictions of the 47 hydration free energies in the SAMPL4 challenge to test multiple partial charge models in the context of explicit solvent free energy simulations with the general AMBER force field. One of the partial charge models, IPolQ-Mod, is a fast continuum solvent-based implementation of the ...

journal_title：Journal of computer-aided molecular design

authors： Muddana HS,Sapra NV,Fenley AT,Gilson MK

更新日期：2014-03-01 00:00:00

abstract：:There is a need for improved and generally applicable scoring functions for fragment-based approaches to ligand design. Here, we evaluate the performance of a computationally efficient model for inhibitory activity estimation, which is composed only of multipole electrostatic energy and dispersion energy terms that ap...

journal_title：Journal of computer-aided molecular design

authors： Jedwabny W,Panecka-Hofman J,Dyguda-Kazimierowicz E,Wade RC,Sokalski WA

更新日期：2017-08-01 00:00:00

abstract：:A structure-binding activity relationship for the intestinal bile acid transporter has been developed using data from a series of bile acid analogs in a comparative molecular field analysis (CoMFA). The studied compounds consisted of a series of bile acid-peptide conjugates, with modifications at the 24 position of th...

journal_title：Journal of computer-aided molecular design

authors： Swaan PW,Szoka FC Jr,Oie S

更新日期：1997-11-01 00:00:00

abstract：:The project on crystallographic modelling aims at extending the application of interactive graphics to inorganic structures. Starting from the available expertise in organic and protein modelling, the symmetry of the crystal structure is used not only to draw fixed models of many unit cells of the structure, which as ...

journal_title：Journal of computer-aided molecular design

authors： Driessen RA,Loopstra BO,de Bruijn DP,Kuipers HP,Schenk H

更新日期：1988-10-01 00:00:00

abstract：:The CASE (Computer Automated Structure Evaluation) program, with the aid of a geometry index for discriminating cis and trans isomers, has been used to study a set of retinoids tested for teratogenicity in hamsters. CASE identified 8 fragments, the most important representing the non-polar terminus of a retinoid with ...

journal_title：Journal of computer-aided molecular design

authors： Klopman G,Dimayuga ML

更新日期：1990-06-01 00:00:00

abstract：:Molecular modeling studies were carried out by a combined use of conformational analysis and 3D-QSAR methods of identify molecular features common to a series of hydroxyacetophenone (HAP) and non-hydroxyacetophenone (non-HAP) peptide leukotriene (pLT) receptor antagonists. In attempts to develop a ligand-binding model...

journal_title：Journal of computer-aided molecular design

authors： Hariprasad V,Kulkarni VM

更新日期：1996-08-01 00:00:00

abstract：:A theoretical conformational study was performed on leu-enkephalin in its zwitterionic form, both in vacuo and in the presence of a number, n, of up to 13 water molecules saturating its first hydration shell. The intramolecular energy of enkephalin as well as the intermolecular enkephalin-water and water-water interac...

journal_title：Journal of computer-aided molecular design

authors： Demetropoulos IN,Gresh N

更新日期：1991-04-01 00:00:00

abstract：:Feature selection is commonly used as a preprocessing step to machine learning for improving learning performance, lowering computational complexity and facilitating model interpretation. This paper proposes the application of boosting feature selection to improve the classification performance of standard feature sel...

journal_title：Journal of computer-aided molecular design

authors： Cerruela García G,García-Pedrajas N

更新日期：2018-11-01 00:00:00

abstract：:The pKa is the standard measure used to describe the aqueous proton affinity of a compound, indicating the proton concentration (pH) at which two protonation states (e.g. A- and AH) have equal free energy. However, compounds can have additional protonation states (e.g. AH2+), and may assume multiple tautomeric forms, ...

journal_title：Journal of computer-aided molecular design

authors： Gunner MR,Murakami T,Rustenburg AS,Işık M,Chodera JD

更新日期：2020-05-01 00:00:00

abstract：:Poly(amidoamine) (PAMAM) dendrimers have been extensively studied as delivery vectors in biomedical applications. A limited number of molecular dynamics (MD) simulation studies have investigated the effect of surface chemistry on therapeutic molecules loading, with the aim of providing insights for biocompatibility im...

journal_title：Journal of computer-aided molecular design

authors： Badalkhani-Khamseh F,Ebrahim-Habibi A,Hadipour NL

更新日期：2017-12-01 00:00:00

abstract：:The de novo design program Skelgen has been used to design inhibitor structures for four targets of pharmaceutical interest. The designed structures are compared to modeled binding modes of known inhibitors (i) visually and (ii) by means of a novel similarity measure considering the size and spatial proximity of the m...

journal_title：Journal of computer-aided molecular design

authors： Stahl M,Todorov NP,James T,Mauser H,Boehm HJ,Dean PM

更新日期：2002-07-01 00:00:00

abstract：:The bacterial ribosome is a major target of naturally occurring thiopeptides antibiotics. Studying thiopeptide (e.g. thiostrepton) binding to the GAR's 23S·L11 ribosomal subunit using docking methods is challenging. Regarding the target, the binding site is composed of a flexible protein-RNA nonbonded interface whose ...

journal_title：Journal of computer-aided molecular design

authors： Wolf A,Schoof S,Baumann S,Arndt HD,Kirschner KN

更新日期：2014-12-01 00:00:00

abstract：:Fast Fourier transform (FFT) based approaches have been successful in application to modeling of relatively rigid protein-protein complexes. Recently, we have been able to adapt the FFT methodology to treatment of flexible protein-peptide interactions. Here, we report our latest attempt to expand the capabilities of t...

journal_title：Journal of computer-aided molecular design

authors： Padhorny D,Hall DR,Mirzaei H,Mamonov AB,Moghadasi M,Alekseenko A,Beglov D,Kozakov D

更新日期：2018-01-01 00:00:00

abstract：:Evidenced by the three-rounds of G-protein coupled receptors (GPCR) Dock competitions, improving homology modeling methods of helical transmembrane proteins including the GPCRs, based on templates of low sequence identity, remains an eminent challenge. Current approaches addressing this challenge adopt the philosophy ...

journal_title：Journal of computer-aided molecular design

authors： Chaudhari R,Heim AJ,Li Z

更新日期：2015-05-01 00:00:00

abstract：:A method is suggested to calculate improved entropies within the MM/PBSA approach (molecular mechanics combined with Poisson-Boltzmann and surface area calculations) to estimate protein-ligand binding affinities. In the conventional approach, the protein is truncated outside ~8 A from the ligand. This system is freely...

journal_title：Journal of computer-aided molecular design

authors： Kongsted J,Ryde U

更新日期：2009-02-01 00:00:00

abstract：:Dengue and related flaviviruses represent a significant global health threat. The envelope glycoprotein E mediates virus attachment to a host cell and the subsequent fusion of viral and host cell membranes. The fusion process is driven by conformational changes in the E protein and is an essential step in the virus li...

journal_title：Journal of computer-aided molecular design

authors： Yennamalli R,Subbarao N,Kampmann T,McGeary RP,Young PR,Kobe B

更新日期：2009-06-01 00:00:00

abstract：:The linear finite difference Poisson-Boltzmann (FDPB) equation is applied to the calculation of the electrostatic binding free energies of a group of inhibitors to the Neuraminidase enzyme. An ensemble of enzyme-inhibitor complex conformations was generated using Monte Carlo simulations and the electrostatic binding f...

journal_title：Journal of computer-aided molecular design

authors： Woods CJ,King MA,Essex JW

更新日期：2001-02-01 00:00:00

abstract：:We present three complementary approaches for score-tuning that improve docking performance in pose prediction, virtual screening and binding affinity assessment. The methodology utilizes experimental data to customize the scoring function for the system of interest considering the specific docking scenario. The tunin...

journal_title：Journal of computer-aided molecular design

authors： Ravitz O,Zsoldos Z,Simon A

更新日期：2011-11-01 00:00:00