DNA duplexes containing photoactive derivatives of 2'-deoxyuridine as photocrosslinking probes for EcoRII DNA methyltransferase-substrate interaction.

abstract：:A large amount of experimental evidence is available on the effect of magnesium ions on the structure and stability of DNA double helix. Less is known, however, on how these ions affect the stability and dynamics of the molecule. The static time average pictures from X-ray structures or the quantum chemical energy min...

journal_title：Journal of biomolecular structure & dynamics

authors： Mukherjee S,Bhattacharyya D

更新日期：2013-01-01 00:00:00

abstract：:Poly(dA-dT).poly(dA-dT) can adopt the B- and D- forms in the fibrous state. Theoretical energy calculations and fiber diffraction analyses suggest that there can be three structural models of poly(dA-dT).poly(dA-dT) in each of these two forms viz right and left-handed Watson Crick models and left-handed Hoogsteen--a t...

journal_title：Journal of biomolecular structure & dynamics

authors： Gupta G,Sarma MH,Dhingra MM,Sarma RH,Rajagopalan M,Sasisekharan V

更新日期：1983-10-01 00:00:00

abstract：:Under negative superhelical stress, long (TG)n containing repeats experience a stepwise multiple B-Z transitions. We have investigated the effect of the plasmid size on this transitional behavior. A 66-bp (TG)n containing repeat from the 5'-untranscribed region of mouse ribosomal DNA was inserted in a 3-kb, a 6.5-kb a...

journal_title：Journal of biomolecular structure & dynamics

authors： Albert AC,Leng M,Rahmouni AR

更新日期：1995-08-01 00:00:00

abstract：:Fpg protein (formamidopyrimidine or 8-oxoguanine DNA glycosylase) from E. coli catalyzes excision of several damaged purine bases, including 8-oxoguanine and 2,6-diamino-4-hydroxy-5-N-methylformamidopyrimidine from DNA. In this study the interaction of E. coli Fpg with various specific and nonspecific oligodeoxynucleo...

journal_title：Journal of biomolecular structure & dynamics

authors： Ishchenko AA,Koval VV,Fedorova OS,Douglas KT,Nevinsky GA

更新日期：1999-10-01 00:00:00

abstract：:Communicated by Ramaswamy H. Sarma. ...

journal_title：Journal of biomolecular structure & dynamics

authors： Kargatov AM,Efimov AV

更新日期：2020-03-01 00:00:00

abstract：:Alkylamine-substituted naphthalene imides and diimides bind DNA by intercalation and have applications as anticancer agents. The unique structures of these imides in which two adjacent carbonyl groups lie coplanar to an extended aromatic ring system allow the possibility of sequence-selective interactions between the ...

journal_title：Journal of biomolecular structure & dynamics

authors： Liu ZR,Hecker KH,Rill RL

更新日期：1996-12-01 00:00:00

abstract：:Thermodynamic and structural properties of two UNCG tetraloops in very short hairpin octamers, 5'-r(GCUUCGGC)-3' and 5'-r(GCUACGGC)-3', have been studied by means of various physical techniques. Melting profiles of both octamers, obtained from UV absorption spectra taken as a function of temperature, are consistent wi...

journal_title：Journal of biomolecular structure & dynamics

authors： Abdelkafi M,Ghomi M,Turpin PY,Baumruk V,Hervé du Penhoat C,Lampire O,Bouchemal-Chibani N,Goyer P,Namane A,Gouyette C,Huynh-Dinh T,Bednárová L

更新日期：1997-04-01 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：:Acid-induced structural changes of a mouse IgG2a monoclonal antibody (MN12) as indicated by Jiskoot et al. (Eur. J. Biochem. 201,223-232 (1991)) were studied by measuring the transient electric birefringence of MN12 in aqueous solution and in glycerol-water mixtures at different pH conditions. A multi-exponential anal...

journal_title：Journal of biomolecular structure & dynamics

authors： van Haeringen B,Jiskoot W,van Grondelle R,Bloemendal M

更新日期：1992-04-01 00:00:00

abstract：:The interaction of 6-Thioguanine molecule, an antitumor drug with carbon nanotube and boron nitride nanotube (BNNT) is investigated using molecular dynamics simulations. Based on the obtained results, the strongest negative van der Waals interaction is found between 6-TG and BNNT among the studied nanotubes, which ind...

journal_title：Journal of biomolecular structure & dynamics

authors： Hasanzade Z,Raissi H

更新日期：2020-02-01 00:00:00

abstract：:Interaction studies of bisphenol analogues; biphenol-A (BPA), bisphenol-B (BPB), and bisphenol-F (BPF) with bovine serum albumin (BSA) were performed using multi-spectroscopic and molecular docking studies at the protein level. The mechanism of binding of bisphenols with BSA was dynamic in nature. SDS refolding experi...

journal_title：Journal of biomolecular structure & dynamics

authors： Ikhlas S,Usman A,Ahmad M

更新日期：2019-04-01 00:00:00

abstract：:A useful property of DMSO solvent has been exploited to reveal a new catalytic route for cytidine amino proton exchange, relevant to exchange in the macromolecular state, but hidden in aqueous solution. Additional exchange mechanisms in aqueous monomeric cytidine (and adenosine) are obscured by the formation of a fast...

journal_title：Journal of biomolecular structure & dynamics

authors： McConnell B

更新日期：1986-12-01 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：:The location, orientation and dynamics of a thiazole-containing analogue of distamycin 1 bound to the decadeoxyribonucleotide d-[CGCAATTGCG]2 have been studied by non-exchangable and imino proton NMR resonances of the 1:1 complex. Using NOE difference, COSY and NOESY experiments, lexitropsin (1) was located in the min...

journal_title：Journal of biomolecular structure & dynamics

authors： Kumar S,Bathini Y,Joseph T,Pon RT,Lown JW

更新日期：1991-08-01 00:00:00

abstract：:The hypothetical protection of genes from oxidative damage provided by the G-rich telomeric overhangs located at the end of chromosomes, which consist, in humans, of single strands of TTAGGG sequence repeats, is investigated here. First principle Moller-Plesset perturbation theory calculations reveal that the TTAGGG h...

journal_title：Journal of biomolecular structure & dynamics

authors： Cauët E

更新日期：2011-12-01 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 structural and energetical characteristics of the complexes formed between two auto-complementary DNA dodecamers, d(CGCGAATTCGCG)2, and d(GCGCAATTGCGC)2, and two novel netropsin (I) and glycine-netropsin (II) conjugates of a tricationic water-soluble porphyrin are investigated in detail by means of theoretical com...

journal_title：Journal of biomolecular structure & dynamics

authors： Perrée-Fauvet M,Gresh N

更新日期：1994-06-01 00:00:00

abstract：:The human HMGB1 gene mutations have a major impact on several immune-related diseases and cancer. The detrimental effect of non-synonymous mutations of HMGB1 has not been investigated yet, hence the present study aims to examine single nucleotide polymorphisms and their implications on the structure-function of human ...

journal_title：Journal of biomolecular structure & dynamics

authors： Santhiya P,Christian Bharathi A,Syed Ibrahim B

更新日期：2020-09-01 00:00:00

abstract：:The EPR study of spin labeled macromolecules has provided insight into structural and dynamical properties of DNA, proteins, and related systems. While spin labeling has been useful, it is experimentally difficult to determine if the spin label significantly alters the conformation of the macromolecule to which it is ...

journal_title：Journal of biomolecular structure & dynamics

authors： Darian E,Gannett PM

更新日期：2005-04-01 00:00:00

abstract：:Different post-translational changes in eye lens crystallin proteins contribute towards the development of cataract. We have studied in vitro oxidative modification of tryptophan (Trp) residues of human γD-crystallin (HGD) towards formation of N-formylkynurenine (NFK) associated with cataractogenesis. This oxidation w...

journal_title：Journal of biomolecular structure & dynamics

authors： Rana S,Sarmah S,Singha Roy A,Ghosh KS

更新日期：2020-03-18 00:00:00

abstract：:In order to examine whether chiral metal complexes can be used to discriminate between right- and left-handed DNA conformational states we have studied the enantioselective interactions of Fe(phen)3(2+) and Ru(phen)3(2+) (phen = 1,10-phenanthroline) with poly(dGm5dC) under B- and Z-form conditions. With the inversion-...

journal_title：Journal of biomolecular structure & dynamics

authors： Härd T,Hiort C,Nordén B

更新日期：1987-08-01 00:00:00

abstract：:Two recombinant purine nucleoside phosphorylases from thermophilic bacterium Thermus thermophilus HB27 encoded by genes TT_C1070 (TthPNPI) and TT_C0194 (TthPNPII) were purified and characterized. The comparative analysis of their sequences, molecular weight, enzymes specificity and kinetics of the catalyzed reaction w...

journal_title：Journal of biomolecular structure & dynamics

authors： Timofeev VI,Fateev IV,Kostromina MA,Abramchik YA,Konstantinova ID,Volkov VV,Lykoshin DD,Mikheeva OO,Muravieva TI,Esipov RS,Kuranova IP

更新日期：2020-11-23 00:00:00

abstract：:Communicated by Ramaswamy H. Sarma. ...

journal_title：Journal of biomolecular structure & dynamics

authors： Efimov AV

更新日期：2020-02-01 00:00:00

abstract：:Eukaryotic translation initiation factors (eIFs) are the group of regulatory proteins that are involved in the initiation of translation events. Among them, eIF4A1, a member of the DEAD-box RNA helicase family, participates in a wide spectrum of activities which include, RNA splicing, ribosome biogenesis, and RNA degr...

journal_title：Journal of biomolecular structure & dynamics

authors： Singha DL,Maharana J,Panda D,Dehury B,Modi MK,Singh S

更新日期：2020-05-05 00:00:00

abstract：:Analogues of purine bases are highly relevant in the biological context and have been implicated as drug molecules for therapy against a number of diseases. Additionally, these molecules have been implicated to have a role in the prebiotic RNA world. However, experimental data on the structures of these molecules in a...

journal_title：Journal of biomolecular structure & dynamics

authors： Gogia S,Puranik M

更新日期：2014-01-01 00:00:00

abstract：:The recent COVID-19 pandemic caused by SARS-CoV-2 has recorded a high number of infected people across the globe. The virulent nature of the virus makes it necessary for us to identify promising therapeutic agents in a time-sensitive manner. The current study utilises an in silico based drug repurposing approach to id...

journal_title：Journal of biomolecular structure & dynamics

authors： Khan RJ,Jha RK,Singh E,Jain M,Amera GM,Singh RP,Muthukumaran J,Singh AK

更新日期：2020-09-04 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：:It has been shown that the frequency versus size distribution of A and T overlapping and non-overlapping homopolymer tracts of N > 5 in D. discoideum gene flanking and intron regions are significantly greater than in coding regions(1). In the present report, we demonstrate, that a spatial periodicity exists in long A ...

journal_title：Journal of biomolecular structure & dynamics

authors： Marx KA,Hess ST,Blake RD

更新日期：1994-08-01 00:00:00

abstract：:The signaling response of TLR2 to ligands has always been as a homodimer or in heterodimerization with TLR1/TLR6. The Toll/Interleukin-1 Receptor (TIR) domain of the TLR cytoplasmic region regulates the dimerization and interactions with adaptor molecules to build an active signaling complex. To understand the conserv...

journal_title：Journal of biomolecular structure & dynamics

authors： Ghosh SK,Saha B,Banerjee R

更新日期：2020-07-08 00:00:00

abstract：:The interaction of meso-tetra-(4N-oxyethylpyridyl)porphyrin (TOEPyP4) and its Zn(II)-, Cu(II)-, Mn(III)-derivatives with tRNA from E.Coli at low ionic strength (micro=0.02M) was studied using UV/Vis spectrophotometry and Circular Dichroism (CD) methods. An unusual Induced Circular Dichroism (ICD) spectra profile of th...

journal_title：Journal of biomolecular structure & dynamics

authors： Dalyan Y,Vardanyan I,Chavushyan A,Balayan G

更新日期：2010-08-01 00:00:00