Abstract:
:In the present work, we propose to design drugs that target the enzyme dihydrofolate redutase (DHFR) as a means of a novel drug therapy against plague. Potential inhibitors of DHFR from Yersinia pestis (YpDHFR) were selected by virtual screening and subjected to docking, molecular dynamics (MD) simulations, and Poisson-Boltzmann surface area method, in order to evaluate their interactions in the active sites of YpDHFR and human DHFR (HssDHFR). The results suggested selectivity for three compounds that were further used to propose the structures of six new potential selective inhibitors for YpDHFR.
journal_name
J Biomol Struct Dynjournal_title
Journal of biomolecular structure & dynamicsauthors
Bastos Lda C,de Souza FR,Guimarães AP,Sirouspour M,Cuya Guizado TR,Forgione P,Ramalho TC,França TCdoi
10.1080/07391102.2015.1110832subject
Has Abstractpub_date
2016-10-01 00:00:00pages
2184-98issue
10eissn
0739-1102issn
1538-0254journal_volume
34pub_type
杂志文章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
pub_type: 杂志文章
doi:10.1080/07391102.1997.10508946
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abstract::The sharp spurt in positive cases of novel coronavirus-19 (SARS-CoV-2) worldwide has created a big threat to human. In view to expedite new drug leads for COVID-19, Main Proteases (Mpro) of novel Coronavirus (SARS-CoV-2) has emerged as a crucial target for this virus. Nitric oxide (NO) inhibits the replication cycle o...
journal_title:Journal of biomolecular structure & dynamics
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abstract::Flap motif and its dynamics were extensively reported in aspartate proteases, e.g. HIV proteases and plasmepsins. Herein, we report the first account of flap dynamics amongst different conformations of β-secretase using molecular dynamics simulation. Various parameters were proposed and a selected few were picked whic...
journal_title:Journal of biomolecular structure & dynamics
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doi:10.1080/07391102.2015.1064831
更新日期:2016-05-01 00:00:00
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abstract::Communicated by Ramaswamy H. Sarma. ...
journal_title:Journal of biomolecular structure & dynamics
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abstract::A complete three dimensional model (RCSB000408; PDB code 1qaa) for the LexA repressor dimer bound to the recA operator site consistent with relevant biochemical and biophysical data for the repressor is proposed. A model of interaction of the N-terminal operator binding domain 1-72 with the operator was available. We ...
journal_title:Journal of biomolecular structure & dynamics
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doi:10.1080/07391102.2000.10506657
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abstract::Temporal order ("chronology") of appearance of amino acids and their respective codons on evolutionary scene is reconstructed. A consensus chronology of amino acids is built on the basis of 60 different criteria each offering certain temporal order. After several steps of filtering the chronology vectors are averaged ...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 历史文章,杂志文章
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abstract::A novel ternary copper(II) complexes, - [Cu(py-phen)(asn)(NO3)(H2O)] (1) and [Cu(py-phen)(trp)(H2O)]NO3 (2)- (py-phen: pyrazino[2,3-f][1,10]phenanthroline, asn: asparagine, trp: tryptophan), have been synthesized and characterized by CHN analysis, ESI-MS, FTIR and single-crystal X-ray diffraction techniques. Interacti...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 杂志文章
doi:10.1080/07391102.2020.1808070
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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
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doi:10.1080/07391102.2019.1708798
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abstract::Over the years the structural properties of nucleic acids have been of interest, providing data that may be of importance for DNA and RNA organization and function in the cell. We have attempted to look for the formation of parallel RNA-RNA duplexes in vitro. RNA molecules comprising complementary in the same polarity...
journal_title:Journal of biomolecular structure & dynamics
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abstract::Based on the known structural model for reverse transcription initiation complex of the human immunodeficiency virus type 1 (HIV-1) MAL isolate, we attempted to predict a structural behavior of MAL-like templates (CRF01_AE, subtype G and CRF02_AG) within the initiation complex by in silico experiments. Switches from t...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 杂志文章
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更新日期:2015-01-01 00:00:00
abstract::Glycation and oxidation induce structural alterations in the proteins in an interdependent manner with consequent pathological implications. The published literature presents wide range of modifications in conformational characteristics of proteins by glycation and oxidation; however, there is little data that could e...
journal_title:Journal of biomolecular structure & dynamics
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doi:10.1080/07391102.2017.1365770
更新日期:2018-08-01 00:00:00
abstract::The amino acid sequences of the Yersinia pseudotuberculosis porin (YPS) and Y. pestis porin (YPT) have recently deduced but their three-dimensional structures were not known. These sequences were analyzed using the servers 3D-PSSM and PredPort. The YPS and YPT porins were shown to have a high degree of identity (above...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 杂志文章
doi:10.1080/07391102.2005.10507056
更新日期:2005-10-01 00:00:00
abstract::Binding affinities of flavonols namely quercetin, myricetin, and kaempferol to human serum albumin (HSA) were determined fluorimetrically and the order was observed to be myricetin > quercetin > kaempferol demonstrating structure-activity relationship. Quercetin-coated silver nanoparticles (AgNPs) show higher binding ...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 杂志文章
doi:10.1080/07391102.2018.1462732
更新日期:2019-04-01 00:00:00
abstract::The development of SrtA inhibitors targeting the biothreat organism namely Bacillus anthracis was achieved by the combined approach of pharmacophore modeling, binding interactions, electron transferring capacity, ADME, and Molecular dynamics studies. In this study, experimentally reported Ba-SrtA inhibitors (pyridazin...
journal_title:Journal of biomolecular structure & dynamics
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abstract::Pre-mRNA splicing is one of the most complex and intricate processes in eukaryotic cell biology. Over the past decade, my laboratory has been interested in determining the structures of RNA components of the spliceosome, and in investigating how the structure, stability and dynamics of these RNA components are perturb...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 杂志文章
doi:10.1080/07391102.2002.10506789
更新日期:2002-04-01 00:00:00
abstract::Proton ENDOR has been observed from frozen solutions (ca. 38K degrees) of copper meso-(4-N-tetra-methylpyridyl)porphyrin (CuTMpyP(4)) complexed with Salmon sperm DNA in water and D2O. Lines from exchangeable protons of the DNA bases have been observed in these ENDOR spectra. Analyses of these ENDOR data show that the ...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 杂志文章
doi:10.1080/07391102.1992.10507962
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abstract::Noonan syndrome (NS) is a common autosomal dominant congenital disorder which could cause the congenital cardiopathy and cancer predisposition. Previous studies reported that the knock-in mouse models of the mutant D61G of SHP2 exhibited the major features of NS, which demonstrated that the mutation D61G of SHP2 could...
journal_title:Journal of biomolecular structure & dynamics
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abstract::An extensive Monte Carlo simulation of hydration of various conformations of the dinucleoside monophosphates (DNP), containing thymine, uracil and its 5-halogen derivatives has been performed. An anti-anti conformation is the most energetically stable one for each of the DNPs. In the majority of cases the energy prefe...
journal_title:Journal of biomolecular structure & dynamics
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abstract::Transient interactions between cancer stem cells and components of the tumor microenvironment initiate various signaling pathways crucial for carcinogenesis. Predominant hyaluronan (HA) receptor, CD44 is structurally and functionally one of the most variable cell surface receptors having the potential to generate a di...
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journal_title:Journal of biomolecular structure & dynamics
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journal_title:Journal of biomolecular structure & dynamics
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abstract::Abstract In order to target the major groove of DNA, we have designed novel peptide derivatives of 7-H pyridocarbazole, which is the chromophoric ring of ditercalinium, a potent antitumor bisin- tercalator. We will present here the results obtained with a compound that has a D-Asn tethered to the pyridinium nitrogen...
journal_title:Journal of biomolecular structure & dynamics
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journal_title:Journal of biomolecular structure & dynamics
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doi:10.1080/07391102.2012.10507408
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abstract::Geometry optimizations and energy calculations have been carried out via molecular orbital methods at the density functional B3LYP/LANL2DZ level on the molecules PO3-, OPO3(3-), HOPO3(2-), CH3OPO3(2-), H(CH3OPO3)-, O(PO3)2(4-), HO(PO3)2(3-), CH2(PO3)2(4-), (CH3OPO2)O(PO3)3-, O(PO3)3(5-), HO(PO3)3(4-), (PO3)3(3-), (CH3...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 杂志文章
doi:10.1080/07391102.2000.10506655
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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
pub_type: 杂志文章
doi:10.1080/07391102.2018.1552895
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abstract::Human male germ cell-associated kinase (hMAK) is an androgen-inducible gene in prostate epithelial cells, and it acts as a coactivator of androgen receptor signaling in prostate cancer. The 3D structure of the hMAK kinase was modeled based on the crystal structure of CDK2 kinase using comparative modeling methods, and...
journal_title:Journal of biomolecular structure & dynamics
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abstract::Traditional approaches for macromolecular structure elucidation, including NMR, crystallography and cryo-EM have made significant progress in defining the structures of protein-protein complexes. A substantial number of macromolecular structures, however, have not been examined with atomic detail due to sample size an...
journal_title:Journal of biomolecular structure & dynamics
pub_type: 杂志文章
doi:10.1080/07391102.2001.10506750
更新日期:2001-12-01 00:00:00
abstract::Over the last few years, some novel researches in the field of medical science made a tendency to have a therapy without any complications or side-effects of the disease with the aid of prognosis about the behaviors of the substructure living biological cell. Regarding this issue, nonlinear frequency characteristics o...
journal_title:Journal of biomolecular structure & dynamics
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