Moroccan Medicinal plants as inhibitors against SARS-CoV-2 main protease: Computational investigations.

abstract：:We have carried out B3LYP hybrid density functional studies of complexes formed by cyclic cytosine-, guanine-, thymine-, uracil- and mixed guanine cytosine-tetrads with Li+, Na+ and K+ ions to determine their structures and interaction energies. The conformations studied have been restricted to a hydrogen bond pattern...

journal_title：Journal of biomolecular structure & dynamics

authors： Meyer M,Sühnel J

更新日期：2003-02-01 00:00:00

abstract：:The technique of transient electric birefringence was used to investigate the orientation of agarose solutions in pulsed electric fields. If the agarose was dissolved in deionized water, the sign of the birefringence was positive when the electric field was small, indicating that the agarose molecules were orienting p...

journal_title：Journal of biomolecular structure & dynamics

authors： Stellwagen NC,Stellwagen D

更新日期：1990-12-01 00:00:00

abstract：:Matrix Metalloproteinase (MMP)--13 or Collagenase--3 plays a significant role in the formation and remodeling of bone, tumor invasion and causes osteoarthritis. Water molecular dynamic studies of the five (1XUC, 1XUD, 1XUR, 456C, 830C) PDB and solvated structures of MMP-13 in human have been carried out upto 5 ns on a...

journal_title：Journal of biomolecular structure & dynamics

authors： Chakrabarti B,Bairagya HR,Mallik P,Mukhopadhyay BP,Bera A

更新日期：2011-02-01 00:00:00

abstract：:The small ubiquitin-like modifier (SUMO) proteins are a kind of proteins that can be attached to a series of proteins. The sumoylation of protein is an important posttranslational modification. Thus, the prediction of the sumoylation site of a given protein is significant. Here we employed a combined method to perform...

journal_title：Journal of biomolecular structure & dynamics

authors： Cai Y,He J,Lu L

更新日期：2011-04-01 00:00:00

abstract：:The first fully energy-minimized structures for a series of structurally related metal complexes of the important mammalian metal binding protein metallothionein are described. The structures were calculated based on structural information obtained from existing spectroscopic and crystallographic data, and minimized u...

journal_title：Journal of biomolecular structure & dynamics

authors： Fowle DA,Stillman MJ

更新日期：1997-02-01 00:00:00

abstract：:Non-homologous end joining (NHEJ) is a major DNA double strand breaks (DSBs) repair pathway that maintains genome integrity. However, this pathway may reduce radiotherapy efficacy by repairing DSBs on cancer cells. This research reported a computer-aided drug design (CADD) method to identify novel inhibitors from trad...

journal_title：Journal of biomolecular structure & dynamics

authors： Sun MF,Chang TT,Chang KW,Huang HJ,Chen HY,Tsai FJ,Lin JG,Chen CY

更新日期：2011-06-01 00:00:00

abstract：:A recent research has identified chymase, a mast cell-specific protease as an exclusive novel therapeutic target to prevent Japanese encephalitis virus (JEV) induced encephalitis. Interestingly, JEV activates mast cell specific chymase during its penetration through blood brain barrier (BBB) which eventually guide to ...

journal_title：Journal of biomolecular structure & dynamics

authors： Kant K,Rawat R,Bhati V,Bhosale S,Sharma D,Banerjee S,Kumar A

更新日期：2020-02-18 00:00:00

abstract：:The structural and thermodynamic characters of alpha-syn12 peptide in aqueous solution at different pH and temperatures have been investigated through temperature replica exchange molecular dynamics (T-REMD) simulations with GROMOS 43A1 force field. The two independent T-REMD simulations were completed at pH = 7.0 and...

journal_title：Journal of biomolecular structure & dynamics

authors： Cao Z,Liu L,Wang J

更新日期：2010-12-01 00:00:00

abstract：:Parallel version of AMBER 4.1 was ported and optimised on the Indian parallel supercomputer PARAM OpenFrame built around Sun Ultra Sparc processors. This version of AMBER program was then used to carry out molecular dynamics (MD) simulations on 5'-TGACCAGCTGGTC-3', a substrate for PvuII enzyme. MD simulations in water...

journal_title：Journal of biomolecular structure & dynamics

authors： Kolaskar AS,Joshi RR

更新日期：1998-06-01 00:00:00

abstract：:Inhibition of heat shock protein 90 (Hsp90) is known to be a significantly effective strategy in cancer therapy. Here, pyrazolopyranopyrimidine derivatives were characterized as new Hsp90 inhibitors. The molecules' key structure (ZINC02819805) was determined by utilizing a pharmacophore model virtual screening workflo...

journal_title：Journal of biomolecular structure & dynamics

authors： Abbasi M,Amanlou M,Aghaei M,Bakherad M,Doosti R,Sadeghi-Aliabadi H

更新日期：2020-08-01 00:00:00

abstract：:Partition ratios of 8 free l-amino acids (Gln, Glu, His, Lys, Met, Ser, Thr, and Tyr) were measured in 10 different polymer/polymer aqueous two-phase systems containing 0.15 M NaCl in 0.01 M phosphate buffer, pH 7.4. The solute-specific coefficients representing the solute dipole/dipole, hydrogen-bonding and electrost...

journal_title：Journal of biomolecular structure & dynamics

authors： Madeira PP,Bessa A,Álvares-Ribeiro L,Raquel Aires-Barros M,Rodrigues AE,Uversky VN,Zaslavsky BY

更新日期：2014-01-01 00:00:00

abstract：:Mutations of any subunit of the troponin complex may lead to serious disorders. Rational approaches to managing these disorders require knowledge of the complex interactions among the three subunits that are required for proper function. Molecular dynamics (MD) simulations were performed for both skeletal (sTn) and ca...

journal_title：Journal of biomolecular structure & dynamics

authors： Varughese JF,Chalovich JM,Li Y

更新日期：2010-10-01 00:00:00

abstract：:Monte-Carlo simulation of poly(dA).poly(dT) hydration by 30 water molecules per nucleotide pair has been performed. Two B-family conformations, both with a 36 degrees helical twist but with different minor groove widths, were considered. One conformation is Arnott's standard B form, the other one is specific for poly(...

journal_title：Journal of biomolecular structure & dynamics

authors： Poltev VI,Teplukhin AV,Chuprina VP

更新日期：1988-12-01 00:00:00

abstract：:RNA.DNA hybrid duplexes are relevant in various biological mechanisms like transcription and replication. Enzymes like RNase H cleave specifically the RNA strand in RNA.DNA duplexes. In antisense technology the complexation of mRNA with "modified" oligo(deoxy)-nucleotides leads to new hybrid duplexes. The knowledge ab...

journal_title：Journal of biomolecular structure & dynamics

authors： Fritsch V,Wolf RM

更新日期：1994-06-01 00:00:00

abstract：:Melanoma is a malignant cancer of the skin associated with a high mortality. Early medical diagnosis and surgical intervention are essential for the treatment of melanoma. The use of plant-based compounds is an important strategy for the prevention and treatment of different types of cancers. Curcumin is a promising n...

journal_title：Journal of biomolecular structure & dynamics

authors： Ghazaeian M,Khorsandi K,Hosseinzadeh R,Naderi A,Abrahamse H

更新日期：2020-08-07 00:00:00

abstract：:Thermodynamic parameters of coaxial stacking at complementary helix-helix interfaces GX*pYG/CZVC (X,Y=A,C,T,G;*-nick) created by contiguous oligonucleotide hybridization were determined. The data obtained were compared to the thermodynamic parameters of coaxial stacking at the interfaces CX*pYC/GZVG. Multiple linear r...

journal_title：Journal of biomolecular structure & dynamics

authors： Pyshnyi DV,Goldberg EL,Ivanova EM

更新日期：2003-12-01 00:00:00

abstract：:Osmium tetroxide complexes with nitrogen ligands (Os,L) have been widely used as probes of the DNA structure. A monoclonal antibody OsBP7H8 against DNA adducts with Os,L was produced in mice. OsBP7H8 does not bind to proteins or total yeast RNA modified with Os,2,2'-bipyridine (bipy) nor to the unmodified nucleic acid...

journal_title：Journal of biomolecular structure & dynamics

authors： Bůzek J,Kuderová A,Pexa T,Stanková V,Lauerová L,Palecek E

更新日期：1999-08-01 00:00:00

abstract：:Breast cancer (BC) is the second most prevalent cancer worldwide. Estrogen receptor beta (ERβ) is an essential protein of breast cells to suppress estrogen-induced uncontrolled proliferation. Thus, small molecules that can modulate and enhance ERβ expression would be an effective agent to suppress BC development. Stud...

journal_title：Journal of biomolecular structure & dynamics

authors： Bhattacharjee A,Hossain MU,Chowdhury ZM,Rahman SMA,Bhuyan ZA,Salimullah M,Keya CA

更新日期：2020-03-11 00:00:00

abstract：:The availability of a significant number of the structures of helical membrane proteins has prompted us to investigate the mode of helix-helix packing. In the present study, we have considered a dataset of alpha-helical membrane proteins representing structures solved from all the known superfamilies. We have describe...

journal_title：Journal of biomolecular structure & dynamics

authors： Jha AN,Vishveshwara S

更新日期：2009-06-01 00:00:00

abstract：:In present work, we describe a methodology for prediction of an enzymatic reaction for which no experimental data are available except for a gene sequence. As a challenging case, we have developed the method for identifying the putative substrates of monoester phosphatases, commonly known as acid phosphatase enzymes, ...

journal_title：Journal of biomolecular structure & dynamics

authors： Zamani Amirzakaria J,Malboobi MA,Marashi SA,Lohrasebi T

更新日期：2020-07-02 00:00:00

abstract：:Utilizing a new method for modeling furanose pseudorotation (D. A. Pearlman and S.-H. Kim, J. Biomol. Struct. Dyn. 3, 85 (1985)) and the empirical multiple correlations between nucleic acid torsion angles we derived in the previous report (D. A. Pearlman and S.-H. Kim, previous paper in this issue), we have made an en...

journal_title：Journal of biomolecular structure & dynamics

authors： Pearlman DA,Kim SH

更新日期：1986-08-01 00:00:00

abstract：:A general method for generation of base-pairs in a curved DNA structure, for any prescribed values of helical parameters--unit rise (h), unit twist (theta), wedge roll (theta R) and wedge tilt (theta T), propeller twist (theta p) and displacement (D) is described. Its application for generation of uniform as well curv...

journal_title：Journal of biomolecular structure & dynamics

authors： Bhattacharya D,Bansal M

更新日期：1988-08-01 00:00:00

abstract：:HIV protease inhibitors (PIs) approved by the FDA (US Food and Drug Administration) are a major class of antiretroviral. HIV-2 protease (PR2) is naturally resistant to most of them as PIs were designed for HIV-1 protease (PR1). In this study, we explored the impact of amino-acid substitutions between PR1 and PR2 on th...

journal_title：Journal of biomolecular structure & dynamics

authors： Triki D,Kermarrec M,Visseaux B,Descamps D,Flatters D,Camproux AC,Regad L

更新日期：2020-10-01 00:00:00

abstract：:Preceding experimental findings revealed that the release of indomethacin decreased when a folate conjugate G4-PAMAM (folate-G4-PAMAM) dendrimer was used compared with its unconjugated dendrimer (G4-PAMAM). Further, better encapsulation of the conjugated dendrimer was achieved, information useful for elucidating the s...

journal_title：Journal of biomolecular structure & dynamics

authors： Martínez-Muñoz A,Correa-Basurto J,Bello M

更新日期：2020-12-21 00:00:00

abstract：:We report here two new small-size peptides acting as modulators of the β-site APP cleaving enzyme 1 (BACE1) exosite. Ac-YPYFDPL-NH2 and Ac-YPYDIPL-NH2 displayed a moderate but significant inhibitory effect on BACE1. These peptides were obtained from a molecular modeling study. By combining MD simulations with ab initi...

journal_title：Journal of biomolecular structure & dynamics

authors： Gutierrez LJ,Angelina E,Gyebrovszki A,Fülöp L,Peruchena N,Baldoni HA,Penke B,Enriz RD

更新日期：2017-02-01 00:00:00

abstract：:By reaction of 1,2-diaminocyclohexane with the 2,3-butanedione monoxime in the presence of ZnCl2, a new Schiff base complex was obtained. This complex was characterized by elemental analyses, FT-IR, 1H NMR, UV-Vis, and conductivity measurements. The reactivity of this complex to human serum albumin (HSA) under simulat...

journal_title：Journal of biomolecular structure & dynamics

authors： Shahraki S,Shiri F,Saeidifar M

更新日期：2018-05-01 00:00:00

abstract：:The nucleoprotein (NP) binds the viral RNA genome as oligomers assembled with the polymerase in a ribonucleoprotein complex required for transcription and replication of influenza A virus. Novel antiviral candidates targeting the nucleoprotein either induced higher order oligomers or reduced NP oligomerization by targ...

journal_title：Journal of biomolecular structure & dynamics

authors： Tarus B,Bertrand H,Zedda G,Di Primo C,Quideau S,Slama-Schwok A

更新日期：2015-09-01 00:00:00

abstract：:A number of tandemly repeated DNA sequences have the ability to form hairpin structures by forming non-standard base pairs. When (GCC)15 and (GGC)15 strands are annealed together, the expected duplex is the only product. However, when (GCC)15 is annealed with (GCC)10, depending on the relative concentrations, up to fi...

journal_title：Journal of biomolecular structure & dynamics

authors： Zhao Y,Cheng W,Gibb CL,Gupta G,Kallenbach NR

更新日期：1996-10-01 00:00:00

abstract：:The flavivirus membrane fusion is triggered by the acid pH of the endosomes after virus endocytosis. The proposed mechanism involves changes in the protonation state of conserved histidine residues of the E protein present in the viral surface that undergoes a series of structural rearrangements that result in the fus...

journal_title：Journal of biomolecular structure & dynamics

authors： Fuzo CA,Degrève L

更新日期：2014-01-01 00:00:00

abstract：:The drug design and discovery of lipid modulators is very demanding as no new molecule has entered into the market in the last 35 years. Cholesteryl ester transfer protein (CETP) is a promising target as lipid modulators. Inhibition of the CETP enzyme reduces the risk of cardiovascular events. The first CETP inhibitor...

journal_title：Journal of biomolecular structure & dynamics

authors： Amin SA,Adhikari N,Gayen S,Jha T

更新日期：2019-10-01 00:00:00