Structure-based methoxyflavone derivatives with potent inhibitory activity against various influenza neuraminidases.

abstract：:Time Correlated Single Photon Counting (TCSPC) was used for the first time to analyze the effect/changes in the mode of intercalation of ethidium bromide (EtBr) and acridine orange (AO) to calf thymus DNA brought about due to interaction of naturally occurring methylxanthines such as theophylline (X1), theobromine (X2...

journal_title：Journal of biomolecular structure & dynamics

authors： Johnson IM,Kumar SG,Malathi R

更新日期：2003-04-01 00:00:00

abstract：:The functional aspect of several mycobacterium proteins annotated as hypothetical are yet to be discovered. In the present investigation, in silico approaches were used to predict the biological function of some of the unknown Mtb proteins, which were further validated by wet lab experiments. After screening thousands...

journal_title：Journal of biomolecular structure & dynamics

authors： Kumar A,Sharma A,Kaur G,Makkar P,Kaur J

更新日期：2017-05-01 00:00:00

abstract：:Propanidid is an intravenous anesthetic with transient action and rapid recovery features, but it is clinically unacceptable due to its side effects. AZD-3043, an analog of propanidid with the methoxy group substituted by the ethoxy group, has become the focus of recent development efforts. Although propanidid and AZD...

journal_title：Journal of biomolecular structure & dynamics

authors： Wang S,Liu Q,Li X,Zhao X,Qiu L,Lin J

更新日期：2018-11-01 00:00:00

abstract：:In the present study, the impact of chromium(III) complexes ([Cr(salen)(H2O)2](+) (1), [Cr(en)3]3+ (2) and [Cr(EDTA)(H2O)]- (3)) on the biophysical properties of mucin like specific viscosity, zeta potential and particle size has been investigated. It is evident from the present investigation that the nature of the co...

journal_title：Journal of biomolecular structure & dynamics

authors： Shrivastava HY,Sreeram KJ,Nair BU

更新日期：2004-04-01 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：:Our earlier study on the nucleosomes containing TBP binding sites (TATA boxes) indicated that generally the same sequence, which harbors the TATA box, encodes simultaneously an alternative rotational setting of the box, so that the TATA element is either exposed (position "minor groove out") or hidden in position "min...

journal_title：Journal of biomolecular structure & dynamics

authors： Trifonov EN

更新日期：2016-12-01 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：:The conformational space available to GnRH and lGnRH-III was compared using 5.2 ns constant temperature and pressure molecular dynamics simulations with explicit TIP3P solvation and the AMBER v. 5.0 force field. Cluster analysis of both trajectories resulted in two groups of conformations. Results of free energy calcu...

journal_title：Journal of biomolecular structure & dynamics

authors： Watts CR,Mezei M,Murphy RF,Lovas S

更新日期：2001-04-01 00:00:00

abstract：:Raman spectroscopy has been used to study the eigenvectors and eigenvalues of the vibrational modes of crystalline cytidine at 295 K and high pressures by evaluating the logarithmic derivative of the vibrational frequency ω with respect to pressure P: [Formula: see text]. Crystalline samples of molecular materials hav...

journal_title：Journal of biomolecular structure & dynamics

authors： Lee SA,Pinnick DA,Anderson A

更新日期：2015-01-01 00:00:00

abstract：:The recently introduced Essential Dynamics sampling method is extended such that an exhaustive sampling of the available (backbone) configurational space can be achieved. From an initial Molecular Dynamics simulation an approximated definition of the essential subspace is obtained. This subspace is used to direct subs...

journal_title：Journal of biomolecular structure & dynamics

authors： de Groot BL,Amadei A,van Aalten DM,Berendsen HJ

更新日期：1996-04-01 00:00:00

abstract：:TATA-box binding protein (TBP) in a monomeric form and the complexes it forms with DNA have been elucidated with molecular dynamics simulations. Large TBP domain motions (bend and twist) are detected in the monomer as well as in the DNA complexes; these motions can be important for TBP binding of DNA. TBP interacts wi...

journal_title：Journal of biomolecular structure & dynamics

authors： Miaskiewicz K,Ornstein RL

更新日期：1996-02-01 00:00:00

abstract：:Biomembranes and lipid systems are rich in unsaturated lipid components and are subject to photo-induced lipid peroxidation. The peroxidized lipid products in cellular systems are known to affect the structural organization and function of the biomembrane. We employed molecular dynamics simulations to study the effect...

journal_title：Journal of biomolecular structure & dynamics

authors： Kumar S,Rana R,Yadav DK

更新日期：2020-03-05 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：:In the present work fluctuations of number of ligands adsorbed on macromolecule are investigated. We have taken into account the adsorption and desorption of ligands under the circumstance of some adsorption centers fluctuations affected by medium fluctuation. The correlation function and spectral density of number of...

journal_title：Journal of biomolecular structure & dynamics

authors： Arakelyan VB,Haroutiunian SG,Arakelyan HV,Haroutiunian TS

更新日期：2002-08-01 00:00:00

abstract：:Methylation of DNA occurs most readily at N(3), N(7), and O(6) of purine bases and N(3) and O(2) of pyrimidines. Methylated bases are continuously formed through endogenous and exogenous mechanisms. The results of a theoretical ab initio study on the methylation of G:C base pair components are reported. The geometries...

journal_title：Journal of biomolecular structure & dynamics

authors： Forde G,Flood A,Salter L,Hill G,Gorb L,Leszczynski J

更新日期：2003-06-01 00:00:00

abstract：:A mononuclear cadmium(II) complex of formula [Cd(5,5'-dmbipy)2(OAc)2]·2H2O (5,5'-dmbipy = 5,5'-dimethyl-2,2'-bipyridine and OAc = acetato ligand) has been synthesized and characterized by FT-IR, UV-Vis, 1H-NMR, elemental analysis and single-crystal X-ray structure analysis. The molecular structure of the complex shows...

journal_title：Journal of biomolecular structure & dynamics

authors： Kondori T,Akbarzadeh-T N,Abdi K,Dušek M,Eigner V

更新日期：2020-01-01 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：:Base sequence effects within double stranded RNA oligomers of A and Z conformations have been studied by molecular modeling using a methodological approach specifically adapted to nucleic acids. Calculations on symmetric oligomers having homonucleotide or dinucleotide repeating base sequences show that sequence change...

journal_title：Journal of biomolecular structure & dynamics

authors： Hartmann B,Lavery R

更新日期：1989-10-01 00:00:00

abstract：:Hinge-bending in T4 lysozyme has been inferred from single amino acid mutant crystalline allomorphs by Matthews and coworkers. This raises an important question: are the different conformers in the unit cell artifacts of crystal packing forces, or do they represent different solution state structures? The objective of...

journal_title：Journal of biomolecular structure & dynamics

authors： Arnold GE,Manchester JI,Townsend BD,Ornstein RL

更新日期：1994-10-01 00:00:00

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

authors： Trifonov EN

更新日期：2004-08-01 00:00:00

abstract：:Current research has shown cell-penetrating peptides and antimicrobial peptides (AMPs) as probable vectors for use in drug delivery and as novel antibiotics. It has been reported that the higher the therapeutic index (TI) the higher would be the bacterial cell penetrating ability. To the best of our knowledge, no in-s...

journal_title：Journal of biomolecular structure & dynamics

authors： Faya M,Kalhapure RS,Dhumal D,Agrawal N,Omolo C,Akamanchi KG,Govender T

更新日期：2019-06-01 00:00:00

abstract：:We have developed an iterative hybrid algorithm (HA) to predict the 3D structure of peptides starting from their amino acid sequence. The HA is made of a modified genetic algorithm (GA) coupled to a local optimizer. Each HA iteration is carried out in two phases. In the first phase several GA runs are performed upon t...

journal_title：Journal of biomolecular structure & dynamics

authors： Garduño-Juárez R,Morales LB

更新日期：2003-08-01 00:00:00

abstract：:The binding of quinolones, nalidixic acid (Nal), oxolinic acid (Oxo) with double stranded polynucleotides was undertaken by using UV-melting, UV-Vis absorption, fluorescence and CD spectroscopic techniques. The binding of Nal or Oxo to the polynucleotides under low-salt buffer conditions were determined for poly (dA)....

journal_title：Journal of biomolecular structure & dynamics

authors： Jain A,Rajeswari MR

更新日期：2002-10-01 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：:Continuum finite element material models used for traumatic brain injury lack local injury parameters necessitating nanoscale mechanical injury mechanisms be incorporated. One such mechanism is membrane mechanoporation, which can occur during physical insults and can be devastating to cells, depending on the level of ...

journal_title：Journal of biomolecular structure & dynamics

authors： Murphy MA,Mun S,Horstemeyer MF,Baskes MI,Bakhtiary A,LaPlaca MC,Gwaltney SR,Williams LN,Prabhu RK

更新日期：2019-03-01 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：:The N-terminal receiver domain of NtrC is the molecular switch in the two-component signal transduction. It is the first protein where structures of both the active (phosphyroylated) and inactive (unphosphyroylated) states are determined experimentally. Phosphorylation of the NtrC at the active site induces large stru...

journal_title：Journal of biomolecular structure & dynamics

authors： Hu X,Wang Y

更新日期：2006-04-01 00:00:00

abstract：:The simplest form of macromolecular design involves the ligation of nucleic acids. Recent results on the concatenation of nucleic acid junctions show that these molecules can act as fairly rigid macromolecular valence clusters on the nanometer scale. These clusters can be joined to form closed stick figures in which e...

journal_title：Journal of biomolecular structure & dynamics

authors： Seeman NC

更新日期：1985-08-01 00:00:00

abstract：:The conformational state of biliproteins can be determined by optical properties of the covalently linked chromophores. Recently determined crystal structure of truncated form of α-subunit of cyanobacterial phycoerythrin (αC-PE) from Phormidium tenue provides a new insight into the structure-function relationship of α...

journal_title：Journal of biomolecular structure & dynamics

authors： Anwer K,Sonani R,Madamwar D,Singh P,Khan F,Bisetty K,Ahmad F,Hassan MI

更新日期：2015-01-01 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