Deciphering structural stability and binding mechanisms of potential antagonists with smoothened protein.

abstract：:Bruton's tyrosine kinase (Btk) is an important enzyme in B-lymphocyte development and differentiation. Furthermore, Btk expression is considered essential for the proliferation and survival of these cells. Btk inhibition has become an attractive strategy for treating autoimmune diseases, B-cell leukemia, and lymphomas...

journal_title：Journal of biomolecular structure & dynamics

authors： Santos-Garcia L,Assis LC,Silva DR,Ramalho TC,da Cunha EF

更新日期：2016-07-01 00:00:00

abstract：:We have analysed by various approaches the structure of cloned synthetic sequences in supercoiled plasmids. Individual inserts were formed by d(C-G)n blocks interrupted by the presence of A.T pairs positioned either in phase or out of phase of pur-pyr alternation. Based on the thermodynamic analysis we obtained result...

journal_title：Journal of biomolecular structure & dynamics

authors： Vlach J,Sponar J

更新日期：1990-04-01 00:00:00

abstract：:Thorough quantitative study of nucleosome repeat length (NRL) distributions, conducted in 1992 by J. Widom, resulted in a striking observation that the linker lengths between the nucleosomes are quantized. Comparison of the NRL average values with the MNase cut distances predicted from the hypothetical columnar struct...

journal_title：Journal of biomolecular structure & dynamics

authors： Trifonov EN

更新日期：2016-06-01 00:00:00

abstract：:The algorithms of the analysis of R-looped DNA molecules from electron micrographs are presented. We propose a two-dimensional R-loop distribution map with abscissa and ordinate axes corresponding to the positions of the left and right ends of the loop respectively. A transcription analysis of the hybrid plasmid pSCV1...

journal_title：Journal of biomolecular structure & dynamics

authors： Golovanov EuI,Kalambet YuA,Auezova LJ,Alexandrov AA

更新日期：1986-06-01 00:00:00

abstract：:The x-ray crystallographic structure of the nucleosome core particle has been determined using 8 A resolution diffraction data. The particle has a mean diameter of 106 A and a maximum thickness of 65 A in the superhelical axis direction. The longest chord through the histone core measures 85 A and is in a non-axial di...

journal_title：Journal of biomolecular structure & dynamics

authors： Uberbacher EC,Bunick GJ

更新日期：1989-08-01 00:00:00

abstract：:We would be tempted to state that there has never been a Levinthal paradox. Indeed, Levinthal raised an interesting problem about protein folding, as he realized that proteins have no time to explore exhaustively their conformational space on the way to their native structure. He did not seem to find this paradoxical ...

journal_title：Journal of biomolecular structure & dynamics

authors： Rooman M,Dehouck Y,Kwasigroch JM,Biot C,Gilis D

更新日期：2002-12-01 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：:Urate oxidase (EC 1.7.3.3) is a key enzyme in the purine metabolism which is applied in the treatment of gout and also, as a diagnostic reagent for uric acid detection. In the current study, the trehalose (TRE) effects as an additive on the structural stability and function of uricase were investigated. For recombinan...

journal_title：Journal of biomolecular structure & dynamics

authors： Taherimehr Z,Zaboli M,Torkzadeh-Mahani M

更新日期：2020-10-01 00:00:00

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

authors： Cini R,Chindamo D,Catenaccio M,Lorenzini S,Marcolongo R

更新日期：2000-08-01 00:00:00

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

authors： Goldsmith SC,Guan JQ,Almo S,Chance M

更新日期：2001-12-01 00:00:00

abstract：:In this review, the loading efficacies of retinoids with milk proteins are investigated. It has been shown that milk proteins β-lactoglobulin, α-, and β-caseins bind retinol and retinoic acid via hydrophobic, hydrophilic, and H-bonding contacts causing minor alterations of protein secondary structure. Hydrophobic cont...

journal_title：Journal of biomolecular structure & dynamics

authors： Agudelo D,Bourassa P,Bariyanga J,Tajmir-Riahi HA

更新日期：2018-12-01 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：:Molecular mechanics and molecular dynamics studies are performed to investigate the conformational preference of cell surface higher gangliosides (GT1A and GT1B) and their interaction with Cholera Toxin. The water mediated hydrogen bonding network exists between sugar residues in gangliosides. An integrated molecular ...

journal_title：Journal of biomolecular structure & dynamics

authors： Sharmila DJ,Veluraja K

更新日期：2006-06-01 00:00:00

abstract：:The rice blast disease caused by the fungus Magnaporthe grisea is one of the most devastating rice diseases, but there is no effective fungicide toward chitinase which is a key enzyme of M. grisea. In this study, we observed that distortion and cell-wall damage of M. grisea hyphae were significantly under the scanning...

journal_title：Journal of biomolecular structure & dynamics

authors： Liu X,Li W,Hu B,Wang M,Wang J,Guan L

更新日期：2019-08-01 00:00:00

abstract：:Donepezil is an acetylcholinesterase inhibitor (AChEI) in use to treat symptomatic patients of mild to moderate Alzheimer's disease (AD). Ferritin is an iron protein associated with storage and sequestration of excess ferrous iron in a way maintaining proper function of cellular processes and plays a key role in AD si...

journal_title：Journal of biomolecular structure & dynamics

authors： Shahwan M,Khan MS,Husain FM,Shamsi A

更新日期：2020-11-23 00:00:00

abstract：:EhCPADH is a protein complex involved in the virulence of Entamoeba histolytica, the protozoan responsible for human amebiasis. It is formed by the EhCP112 cysteine protease and the EhADH adhesin. To explore the molecular basis of the complex formation, three-dimensional models were built for both proteins and molecul...

journal_title：Journal of biomolecular structure & dynamics

authors： Montaño S,Orozco E,Correa-Basurto J,Bello M,Chávez-Munguía B,Betanzos A

更新日期：2017-02-01 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：:The interaction between two proton pump inhibitors viz., omeprazole (OME) and esomeprazole (EPZ) with human serum albumin (HSA) was studied by fluorescence, absorption, circular dichroism (CD), Fourier transform infrared spectroscopy (FT-IR), voltammetry, and molecular modeling approaches. The Stern-Volmer quenching c...

journal_title：Journal of biomolecular structure & dynamics

authors： Pawar SK,Punith R,Naik RS,Seetharamappa J

更新日期：2017-11-01 00:00:00

abstract：:Distribution functions for intra- and inter- HIV-1 V3-loop subtypes amino acid Hamming distances were calculated (850 V3-loop sequences from the Los Alamos HIV-1 Database (1996) were used). These functions have pronounced bell-like shape. Such shapes of the histograms for HIV-1 V3 intra- and inter-subtype distriutions...

journal_title：Journal of biomolecular structure & dynamics

authors： Shchelkanov MYu,Starikov NS,Yaroslavtsev IV,Tsvetkov PO,Yudin AN,Denisov MV,Slavsky AA,Vedenov AA,Karamov EV

更新日期：1998-04-01 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：:The novel SARS-CoV-2 is the etiological agent causing the Coronavirus disease 2019 (COVID-19), which continues to become an inevitable pandemic outbreak. Over a short span of time, the structures of therapeutic target proteins for SARS-CoV-2 were identified based on the homology modelled structure of similar virus, SA...

journal_title：Journal of biomolecular structure & dynamics

authors： Rao P,Shukla A,Parmar P,Rawal RM,Patel BV,Saraf M,Goswami D

更新日期：2020-09-02 00:00:00

abstract：:The present study employed the spectroscopic techniques, i.e. fluorescence, and circular dichroism (CD) and the molecular docking approach to investigate the mechanism of interaction of a potent anticancer glucosinolate, sinigrin (SIN), with bovine serum albumin (BSA). SIN binding to BSA resulted in the quenching of i...

journal_title：Journal of biomolecular structure & dynamics

authors： Awasthi S,Saraswathi NT

更新日期：2016-10-01 00:00:00

abstract：:Conversion of the rod-like tobacco mosaic virus (TMV) virions into "ball-like particles" by thermal denaturation at 90-98 °C had been described by R.G. Hart in 1956. We have reported recently that spherical particles (SPs) generated by thermal denaturation of TMV at 94-98 °C were highly stable, RNA-free, and water-ins...

journal_title：Journal of biomolecular structure & dynamics

authors： Dobrov EN,Nikitin NA,Trifonova EA,Parshina EY,Makarov VV,Maksimov GV,Karpova OV,Atabekov JG

更新日期：2014-01-01 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：: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：:Catalytic mechanism of orotidine 5'-monophosphate decarboxylase (OMPDC), one of the nature most proficient enzymes which provides large rate enhancement, has not been fully understood yet. A series of 30 ns molecular dynamics (MD) simulations were run on X-ray structure of the OMPDC from Saccharomyces cerevisiae in it...

journal_title：Journal of biomolecular structure & dynamics

authors： Jamshidi S,Jalili S,Rafii-Tabar H

更新日期：2015-01-01 00:00:00

abstract：:Enzymes involved in the pyrimidine biosynthesis pathway have become an important target for the pharmacological intervention. One among those enzymes, Aspartate Trans Carbamoylase (ATCase), catalyses the condensation of aspartate and carbamoyl phosphate to form N-carbamoyl-l-aspartate and inorganic phosphate. The pres...

journal_title：Journal of biomolecular structure & dynamics

authors： Kanagarajan S,Mutharasappan N,Dhamodharan P,Jeyaraman M,Ramadas K,Jeyaraman J

更新日期：2014-04-01 00:00:00

abstract：:Two naphthalene-containing compounds, 4-hydroxy-6,7-dimethoxy-1-(4-(trifluoromethyl)phenyl)-2-naphthoic acid (A) and 4-hydroxy-6,7-dimethoxy-1-phenyl-2-naphthoic acid (B), were prepared by several steps. Their bindings to human serum albumin (HSA) were studied by ultraviolet-visible (UV-vis) absorption, fluorescence, ...

journal_title：Journal of biomolecular structure & dynamics

authors： Wang X,Xing Y,Su J,Wang C,Wang Z,Yu Y,Xu H,Ma D

更新日期：2020-06-12 00:00:00

abstract：:Production of various structures by self-assembling single stranded DNA molecules is a widely used technology in the filed of DNA nanotechnology. Base sequences of single strands do predict the shape of the resulting nanostructure. Therefore, sequence design is crucial for the successful structure fabrication. This pa...

journal_title：Journal of biomolecular structure & dynamics

authors： Seiffert J,Huhle A

更新日期：2008-04-01 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