Identification of some novel pyrazolo[1,5-a]pyrimidine derivatives as InhA inhibitors through pharmacophore-based virtual screening and molecular docking.

abstract：:Haloxyfop was reported to exhibit inhibition effect targeting Mycobacterium tuberculosis and pathogenic parasites. To pave its way for drug development, more research is required to determine the affinities interacting with biological receptors in vivo. In this work, the interactions of Haloxyfop with two model transp...

journal_title：Journal of biomolecular structure & dynamics

authors： Wang L,Zhang L,Feng RR,Dong X,Lu HZ,Zhang JJ

更新日期：2019-10-01 00:00:00

abstract：:The molecular electrostatic potential (MEP) and the molecular electrostatic field (MEF) are associated with significantly different patterns of distribution in the nucleic acids and their constituents. In particular, a) while the values of the minimal potentials at the reactive sites of the bases or at the phosphates ...

journal_title：Journal of biomolecular structure & dynamics

authors： Pullman B

更新日期：1983-12-01 00:00:00

abstract：:The aim of this study was to attempt to determine the extent to which the chemical shifts of the nonexchangeable base protons of a DNA helix depend upon the base sequence. We measured the proton NMR spectra of twelve decadeoxynucleotides in order to carry out a "statistical" treatment. In the helices, the chemical shi...

journal_title：Journal of biomolecular structure & dynamics

authors： Shindo H,Okhubo S,Matsumoto U,Giessner-Prettre C,Zon G

更新日期：1988-02-01 00:00:00

abstract：:The potassium channel Kv1.3 is an important pharmacological target and the Kaliotoxin-type toxins (α-KTX-3 family) are its specific blockers. Here, we study the binding process of two kinds of Kaliotoxin-type toxins:BmKTX and its mutant (BmKTX-D33H) toward to Kv1.3 channel using MD simulation and umbrella sampling sim...

journal_title：Journal of biomolecular structure & dynamics

authors： Zheng Q,Na R,Yang L,Yu H,Zhao X,Huang X

更新日期：2020-05-06 00:00:00

abstract：:The specific interaction between lambda phage Cro repressor and the DNA fragment bearing the consensus sequence of operators has been studied using nuclear magnetic resonance (NMR). Using both 15N- and 13C/15N- labeled lambda-Cro in complex with unlabeled DNA, chemical shift assignments of the lambda-Cro-DNA complex w...

journal_title：Journal of biomolecular structure & dynamics

authors： Tochio H,Kojima C,Matsuo H,Yamazaki T,Kyogoku Y

更新日期：1999-04-01 00:00:00

abstract：:The 9-aminoacridine-DNA binding curve is analyzed in two ways: with polyelectrolyte effects neglected and with polyelectrolyte effects included. It is found that the analysis which includes polyelectrolyte effects is consistent with the violation of neighbor exclusion displayed by diacridine complexes as observed by A...

journal_title：Journal of biomolecular structure & dynamics

authors： Friedman RA,Shahin M,Zuckerbraun S

更新日期：1991-04-01 00:00:00

abstract：:β-lactoglobulin (β-LG) is a member of lipocalin superfamily of transporters for small hydrophobic molecules such as retinoids. We located the binding sites of retinol and retinoic acid on β-LG in aqueous solution at physiological conditions, using FTIR, CD, fluorescence spectroscopic methods, and molecular modeling. T...

journal_title：Journal of biomolecular structure & dynamics

authors： Belatik A,Kanakis CD,Hotchandani S,Tarantilis PA,Polissiou MG,Tajmir-Riahi HA

更新日期：2012-01-01 00:00:00

abstract：:About one-third of the existing proteins require metal ions as cofactors for their catalytic activities and structural complexities. While many of them bind only to a specific metal, others bind to multiple (different) metal ions. However, the exact mechanism of their metal preference has not been deduced to clarity. ...

journal_title：Journal of biomolecular structure & dynamics

authors： Gogoi P,Chandravanshi M,Mandal SK,Srivastava A,Kanaujia SP

更新日期：2016-07-01 00:00:00

abstract：:Human major histocompatibility complex class I (MHC I) - or human leukocyte antigen (HLA) - proteins present intracellularly processed peptides to cytotoxic T lymphocytes in the adaptive immune response to pathogens. A high level of polymorphism in human MHC I proteins defines the peptide-binding specificity of thousa...

journal_title：Journal of biomolecular structure & dynamics

authors： Serçinoğlu O,Ozbek P

更新日期：2018-02-01 00:00:00

abstract：:As the number of available three dimensional coordinates of proteins increases, it is now recognized that proteins from different families and topologies are constructed from independent motifs. Detection of specific structural motifs within proteins aids in understanding their role and the mechanism of their operatio...

journal_title：Journal of biomolecular structure & dynamics

authors： Fischer D,Bachar O,Nussinov R,Wolfson H

更新日期：1992-02-01 00:00:00

abstract：:A family of covalent complexes between oligonucleotides and derivatives of the intercalating agent 9-amino acridine has been synthesized (Asseline, U., Thuong, N.T. and Helene, C. (1983) C.R.Acad. Sci. (Paris) 297 (III), 369-372) and studied (Lancelot, G., Asseline, U., Thuong, N.T., and Helene, C. (1985) Biochemistry...

journal_title：Journal of biomolecular structure & dynamics

authors： Cieplak P,Rao SN,Hélène C,Montenay-Garestier T,Kollman PA

更新日期：1987-10-01 00:00:00

abstract：:Linezolid, one of the reserve antibiotic of oxazolidinone class has wide range of antimicrobial activity. Here we have conducted a fundamental study concerning the dynamics of its interaction with bovine serum albumin (BSA), and the post binding modification of the later by employing different spectroscopic (absorptio...

journal_title：Journal of biomolecular structure & dynamics

authors： Roy A,Seal P,Sikdar J,Banerjee S,Haldar R

更新日期：2018-02-01 00:00:00

abstract：:Previous research has described the interaction between the novel molecule diethidium (2,7-diamino 9-[2,7 diamino 10-N-phenanthridium] 10-N-phenanthridium) (Figure 1) and B-form DNA. Our goal is the elucidation of diethidium as the first member of a novel class of drugs which are potential pharmaceutical agents. This ...

journal_title：Journal of biomolecular structure & dynamics

authors： Monaco RR,Polkosnik W,Dwarakanath S

更新日期：1997-08-01 00:00:00

abstract：:A theoretical study is presented of the energetic and structural properties of covalent adducts of benzo[a]pyrene and a DNA fragment. Energy optimisation is performed with the use of minimiser with constraints and an advanced semiempirical energy formula. Three types of adducts are studied: an external complex with th...

journal_title：Journal of biomolecular structure & dynamics

authors： Zakrzewska K,Pullman B

更新日期：1987-04-01 00:00:00

abstract：:Local conformational changes and global unfolding pathways of wildtype xyn11A recombinant and its mutated structures were studied through a series of atomistic molecular dynamics (MD) simulations, along with enzyme activity assays at three incubation temperatures to investigate the effects of mutations at three differ...

journal_title：Journal of biomolecular structure & dynamics

authors： Sutthibutpong T,Rattanarojpong T,Khunrae P

更新日期：2018-11-01 00:00:00

abstract：:Hydroxylation of proline or lysine residues in proteins is a common post-translational modification event, and such modifications are found in many physiological and pathological processes. Nonetheless, the exact molecular mechanism of hydroxylation remains under investigation. Because experimental identification of h...

journal_title：Journal of biomolecular structure & dynamics

authors： Jia CZ,He WY,Yao YH

更新日期：2017-03-01 00:00:00

abstract：:Geometries and interaction energies of unusual UU and AA base pairs with one standard hydrogen bond (H-bond) and additional C-H...O or C-H...N contacts have been determined by quantum-chemical methods taking into account electron correlation. Whereas the C-H bond length in the UU C-H...O contact increases upon complex...

journal_title：Journal of biomolecular structure & dynamics

authors： Brandl M,Meyer M,Sühnel J

更新日期：2001-02-01 00:00:00

abstract：:SARS-CoV-2 cause fatal infection in 213 countries accounting for the death of millions of people globally. In the present study, phytochemicals from spices were assessed for their ability to interact with SARS-CoV-2 MPro. Structure based virtual screening was performed with 146 phytochemicals from spices using Autodoc...

journal_title：Journal of biomolecular structure & dynamics

authors： Rajendran M,Roy S,Ravichandran K,Mishra B,Gupta DK,Nagarajan S,Arul Selvaraj RC,Provaznik I

更新日期：2020-11-17 00:00:00

abstract：:Tropomyosin receptor kinase A (Trk A) is a receptor tyrosine kinase activated by nerve growth factor (NGF). TrkA plays an important role in pain sensation, which leads to significant interest in the development of small molecule inhibitors of TrkA. However, TrkA and the other two highly homologous isoforms, TrkB and T...

journal_title：Journal of biomolecular structure & dynamics

authors： Wu X,Li Q,Wan S,Zhang J

更新日期：2021-01-01 00:00:00

abstract：:We performed thermodynamic analysis of temperature-induced unfolding of mesophilic and thermophilic proteins. It was shown that the variability in protein thermostability associated with pH-dependent unfolding or linked to the substitution of amino acid residues on the protein surface is evidence of the governing role...

journal_title：Journal of biomolecular structure & dynamics

authors： Khechinashvili NN,Capital Ka Cyrillicabanov AV,Kondratyev MS,Polozov RV

更新日期：2014-01-01 00:00:00

abstract：:The purpose of this study was to investigate the site-selective binding of erlotinib hydrochloride (ET), a targeted anticancer drug, to bovine serum albumin (BSA) through 1H NMR, spectroscopic, thermodynamic, and molecular modeling methods. The fluorescence quenching of BSA by ET was a result of the formation of BSA-E...

journal_title：Journal of biomolecular structure & dynamics

authors： Liu Y,Chen M,Luo Z,Lin J,Song L

更新日期：2013-10-01 00:00:00

abstract：:Drug resistant mutations have severely restricted the success of HIV therapy. These mutations frequently involve the aspartic protease encoded by the virus. Knowledge of the molecular mechanisms underlying the conformational changes of HIV-1 protease mutants may be useful in developing more effective and longer lastin...

journal_title：Journal of biomolecular structure & dynamics

authors： Purohit R,Rajendran V,Sethumadhavan R

更新日期：2011-08-01 00:00:00

abstract：:Human C5a (hC5a), one of the pro-inflammatory glycoproteins of the complement system is known to undergo production hyperdrive in response to stress and infection. hC5a has been associated with the pathogenesis of many chronic and acute diseases, due to its proven ability in triggering the 'cytokine storm', by binding...

journal_title：Journal of biomolecular structure & dynamics

authors： Mishra R,Behera LM,Rana S

更新日期：2020-09-15 00:00:00

abstract：:Flavonoids correspond to a major class of polyphenolic phytochemicals with flavone as major parent scaffold. This class of compounds is attributed with very rich nutritional as well as therapeutic values. The present study focuses on a panel of 16 flavonoid molecules that are demonstrated to exhibit various bioactivit...

journal_title：Journal of biomolecular structure & dynamics

authors： Meshram RJ,Bagul KT,Pawnikar SP,Barage SH,Kolte BS,Gacche RN

更新日期：2020-03-01 00:00:00

abstract：:A large number of medical experiments have confirmed that the features of drugs have a close correlation with their molecular structure. Drug properties can be obtained by studying the molecular structure of corresponding drugs. The calculation of the topological index of a drug structure enables scientists to have a ...

journal_title：Journal of biomolecular structure & dynamics

authors： Jahanbani A,Shao Z,Sheikholeslami SM

更新日期：2020-07-30 00:00:00

abstract：:BCR-ABL fusion protein drives chronic myeloid leukemia (CML) which constitutively activates tyrosine kinase involved in the initiation and maintenance of CML phenotype. Ponatinib, an oral drug, was discovered as an efficient BCR-ABL inhibitor by addressing imatinib drug resistance arising due to the point mutations at...

journal_title：Journal of biomolecular structure & dynamics

authors： Melge AR,Kumar LG,K P,Nair SV,K M,C GM

更新日期：2019-11-01 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：:Dengue virus is becoming a major global disease; the envelope protein is the major target for vaccine development against Dengue. Nowadays, the attention has focused on developing inhibitors based on Papain is a promising target for treating Dengue. In the present work, the theoretical studies of E-protein(Cys74-Glu79...

journal_title：Journal of biomolecular structure & dynamics

authors： Saranya V,Radhika R,Shankar R,Vijayakumar S

更新日期：2020-04-06 00:00:00

abstract：:The Transformer2 (Tra2) proteins in humans are homologues of the Drosophila Tra2 protein. One of the two RNA-binding paralogs, Tra2β, has been very well-studied over the past decade, but not much is known about Tra2α. It was very recently shown that the two proteins demonstrate the phenomenon of paralog compensation. ...

journal_title：Journal of biomolecular structure & dynamics

authors： Ghosh P,Grellscheid SN,Sowdhamini R

更新日期：2016-09-01 00:00:00

abstract：:Low sampling efficiency in conformational space is the well-known problem for conventional molecular dynamics. It greatly increases the difficulty for molecules to find the transition path to native state, and costs amount of CPU time. To accelerate the sampling, in this paper, we re-couple the critical degrees of fre...

journal_title：Journal of biomolecular structure & dynamics

authors： Chen C,Huang Y,Xiao Y

更新日期：2013-01-01 00:00:00