Structure analysis of the proteins associated with polyA repeat expansion disorders.

abstract：:The interaction of DNA and RNA with Cu(II), Mg(II), [Co(NH3)6]3+ [Co(NH3)5Cl]2+ chlorides and, cis- and trans-Pt(NH3)2Cl2 (CIS-DDP, trans-DDP) has been studied by Fourier Transform Infrared (FT-IR) spectroscopy and a correlation between metal-base binding and conformational transitions in the sugar pucker has been est...

journal_title：Journal of biomolecular structure & dynamics

authors： Theophanides T,Tajmir-Riahi HA

更新日期：1985-02-01 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：:We attempt to give an alternate point of view of the analysis by Roterman et al. (J. Biolmol. Struct. Dyn. 7,415 (1989]. In particular, we argue for the use of flexible geometry and explicit inclusion of solvent effects in analyzing phi, psi maps of peptides. ...

journal_title：Journal of biomolecular structure & dynamics

authors： Kollman PA,Dill KA

更新日期：1991-06-01 00:00:00

abstract：:To investigate the chemotherapeutic and pharmacokinetic aspects of two lanthanide complexes (Tb(III) and La(III) containing 2,2'-bipyridine ligand), in vitro binding studies were carried out with BSA by employing multiple biophysical methods and molecular modeling study. There are different techniques containing fluor...

journal_title：Journal of biomolecular structure & dynamics

authors： Aramesh-Boroujeni Z,Aramesh N,Jahani S,Khorasani-Motlagh M,Kerman K,Noroozifar M

更新日期：2020-07-16 00:00:00

abstract：:Indoleamine-2,3-dioxygenase 1 (IDO1) is an extrahepatic, heme-containing and tryptophan-catalyzing enzyme responsible for causing blockade of T-cell proliferation and differentiation by depleting tryptophan level in cancerous cells. Therefore, inhibition of IDO1 may be a useful strategy for immunotherapy against cance...

journal_title：Journal of biomolecular structure & dynamics

authors： Jain S,Bhardwaj B,Amin SA,Adhikari N,Jha T,Gayen S

更新日期：2020-04-01 00:00:00

abstract：:Abstract Although the recent structural studies on polymerases have brought new insights on polymerase fidelity, the role of DNA sequence and structure is not well understood. Here, the analysis of the crystal structures of hotspots for polymerase slippage shows that, in the B- form, these sequences share common str...

journal_title：Journal of biomolecular structure & dynamics

authors： Timsit Y

更新日期：2000-01-01 00:00:00

abstract：:Tumor suppressor proteins play a crucial role in cell cycle regulation. Retinoblastoma protein (pRB) is one among them which regulates G1-S transition by binding with transcription factors. The activity of pRB is deregulated by cyclin dependent kinases-mediated hyper-phosphorylation and also due to cancer-derived muta...

journal_title：Journal of biomolecular structure & dynamics

authors： Ramakrishnan C,Subramanian V,Balamurugan K,Velmurugan D

更新日期：2013-01-01 00:00:00

abstract：:Notch is a single-pass transmembrane receptor protein. Delta (member of the DSL protein family), a Notch ligand, is also single-pass transmembrane protein that can interact with Notch to form the Delta-Notch complex. It has been demonstrated that of the 36 Epidermal Growth Factor (EGF) repeats of Notch, 11th and 12th ...

journal_title：Journal of biomolecular structure & dynamics

authors： Majumder R,Roy S,Thakur AR

更新日期：2012-01-01 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：:HIV protease inhibitors (PIs) approved by the FDA (US Food and Drug Administration) are a major class of antiretroviral. HIV-2 protease (PR2) is naturally resistant to most of them as PIs were designed for HIV-1 protease (PR1). In this study, we explored the impact of amino-acid substitutions between PR1 and PR2 on th...

journal_title：Journal of biomolecular structure & dynamics

authors： Triki D,Kermarrec M,Visseaux B,Descamps D,Flatters D,Camproux AC,Regad L

更新日期：2020-10-01 00:00:00

abstract：:EcoRII DNA methyltransferase (M.EcoRII) recognizes the DNA sequence 5'.CC*T/AGG.3' and catalyzes the transfer of the methyl group from S-adenosyl-L-methionine to the C5 position of the inner cytosine residue (C*). We obtained several DNA duplexes containing photoactive 5-iodo-2'-deoxyuridine (i(5)dU) or 5-[4-(3-(trifl...

journal_title：Journal of biomolecular structure & dynamics

authors： Koudan EV,Subach OM,Korshunova GA,Romanova EA,Eritja R,Gromova ES

更新日期：2002-12-01 00:00:00

abstract：:A simplified multidimensional search was applied to determine the structure of deoxyhexamer CGCGCG in the crystal form belonging to the space group C222(1) (a = 45.6 A, b = 37.3 A, c = 70.3 A). This crystal form contains two Z-DNA duplexes per asymmetric unit in a similar orientation. The search consists of several ma...

journal_title：Journal of biomolecular structure & dynamics

authors： Strokopytov BV,Malinina LV

更新日期：1994-04-01 00:00:00

abstract：:p21-activated kinases (Paks) play an integral component in various cellular diverse processes. The full activation of Pak is dependent upon several serine residues present in the N-terminal region, a threonine present at the activation loop, and finally the phosphorylation of these residues ensure the complete activat...

journal_title：Journal of biomolecular structure & dynamics

authors： Biswal J,Jayaprakash P,Suresh Kumar R,Venkatraman G,Poopandi S,Rangasamy R,Jeyaraman J

更新日期：2020-01-01 00:00:00

abstract：:Using the refined molecular structure of the Gene 5 DNA Binding Protein (G5BP) and the mechanism of DNA binding deduced from a variety of experimental techniques (G. D. Brayer and A. McPherson, J. Mol. Biol. 169, 565, 1983; G. D. Brayer and A. McPherson, Biochemistry 23, 340, 1984), we have modeled the contiguous, lin...

journal_title：Journal of biomolecular structure & dynamics

authors： Brayer G,McPherson A

更新日期：1984-12-01 00:00:00

abstract：:Culex quinquefasciatus Cqm1 protein acts as the receptor for Lysinibacillus sphaericus mosquito-larvicidal binary (BinAB) toxin that is used worldwide for mosquito control. We found amino acid transporter protein, rBAT, as phylogenetically closest Cqm1 homolog in humans. The present study reveals large evolutionary di...

journal_title：Journal of biomolecular structure & dynamics

authors： Pandey B,Aarthy M,Sharma M,Singh SK,Kumar V

更新日期：2020-06-30 00:00:00

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

authors： Tchurikov NA,Ponomarenko NA,Golova YB,Chernov BK

更新日期：1995-12-01 00:00:00

abstract：:Based on Fourier transform infrared (FTIR) microspectroscopy, the conformation of rhEGF under the influence of pH, heat treatment, chaotropic salts, concentration of salt and protein structure perturbants was studied. The FTIR spectrum of rhEGF showed that major secondary structures from amide I bands composed of 40.6...

journal_title：Journal of biomolecular structure & dynamics

authors： Yang CH,Wu PC,Huang YB,Tsai YH

更新日期：2004-08-01 00:00:00

abstract：:The structural analysis of the photoactivated binary system of complementary-addressing nucleic acid sequences (1:2:3) by high-resolution NMR spectroscopy and restrained molecular dynamics is reported. The binary system comprised a 12 base-pair target DNA sequence, pdGTATCAGTTTCT (1), and two hexanucleotides, (dAGAAAC...

journal_title：Journal of biomolecular structure & dynamics

authors： Bichenkova EV,Marks D,Dobrikov MI,Vlassov VV,Morris GA,Douglas KT

更新日期：1999-10-01 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：:Hydroxylated polybrominated diphenyl ethers (OH-PBDEs) are a class of toxic environmental pollutants that are persistent, bioaccumulative, and difficult to degrade. Their structure is very similar to the thyroid hormone (T4) and uses the body's thyroid transporter (TTR) binding to interfere with the endocrine balance,...

journal_title：Journal of biomolecular structure & dynamics

authors： Wei Y,Yi Z,Xu J,Yang W,Yang L,Liu H

更新日期：2019-04-01 00:00:00

abstract：:Owing to its negative regulatory role in insulin signaling, protein tyrosine phosphatase of leukocyte antigen-related protein (PTP-LAR) was widely thought as a potential drug target for diabetes. Now, it was urgent to search for potential LAR inhibitors targeting diabetes. Initially, the pharmacophore models of LAR in...

journal_title：Journal of biomolecular structure & dynamics

authors： Du S,Yang B,Wang X,Li WY,Lu XH,Zheng ZH,Ma Y,Wang RL

更新日期：2020-09-01 00:00:00

abstract：:SARS-CoV-2 has become a pandemic causing a serious global health concern. The absence of effective drugs for treatment of the disease has caused its rapid spread on a global scale. Similarly to the SARS-CoV, the SARS-CoV-2 is also involved in a complex interplay with the host cells. This infection is characterized by ...

journal_title：Journal of biomolecular structure & dynamics

authors： Gollapalli P,B S S,Rimac H,Patil P,Nalilu SK,Kandagalla S,Shetty P

更新日期：2020-11-04 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：:The deoxydinucleoside triphosphate units d-pCpGp and d-pGpCp were subjected to a rigorous theoretical investigation with a view to describing their distinctive conformational characteristics. For each unit 216 probable three-dimensional forms defined by the backbone-base dihedral angles and sugar pucker modes were con...

journal_title：Journal of biomolecular structure & dynamics

authors： Ponnuswamy PK,Anukanth A

更新日期：1989-02-01 00:00:00

abstract：:Trichoderma spp. are well-known bioagents for the plant growth promotion and pathogen suppression. The beneficial activities of the fungus Trichoderma spp. are attributed to their ability to produce and secrete certain secondary metabolites such as trichodermin that belongs to trichothecene family of molecules. The in...

journal_title：Journal of biomolecular structure & dynamics

authors： Kumari I,Chaudhary N,Sandhu P,Ahmed M,Akhter Y

更新日期：2016-06-01 00:00:00

abstract：:Our work is composed of a python program for programmatic data mining of PubChem to collect data to implement a machine learning-based AutoQSAR algorithm to generate drug leads for the flaviviruses-Dengue and West Nile. The drug leads generated by the program are fed as programmatic inputs to AutoDock Vina package for...

journal_title：Journal of biomolecular structure & dynamics

authors： Geoffrey B,Sanker A,Madaj R,Tresanco MSV,Upadhyay M,Gracia J

更新日期：2020-12-04 00:00:00

abstract：:Most fibrous polynucleotides of general sequence exhibit secondary structures that are described adequately by regular helices with a repeated motif of only one nucleotide. Such helices exploit the fact that A:T, T:A, G:C, and C:G pairs are essentially isomorphous and have dyadically-related glycosylic bonds. Polynucl...

journal_title：Journal of biomolecular structure & dynamics

authors： Arnott S,Chandrasekaran R,Banerjee AK,He R,Walker JK

更新日期：1983-10-01 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：:The selective recognition of the aminoterminal binding pharmacophore Tyr-D-Xaa-Phe of the opioid heptapeptide dermorphin, Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2 (DRM)1, and of dermenkephalin, Tyr-D-Met-Phe-His-Leu-Met-Asp-NH2 (DREK), by the mu-opioid receptor and delta-opioid receptor, respectively, depends upon the consti...

journal_title：Journal of biomolecular structure & dynamics

authors： Riand J,Baron D,Nicolas P,Benajiba A,Teng Y,Naim M

更新日期：1999-12-01 00:00:00

abstract：:Rho-associated protein kinases (ROCKs) are a member of the serine/threonine protein kinase family and potential therapeutic target for various diseases. This enzyme has two isoforms, Rho-associated protein kinase I (ROCKI) and Rho-associated protein kinase II (ROCKII). They share an overall 65% homology in all amino a...

journal_title：Journal of biomolecular structure & dynamics

authors： Bayel Secinti B,Tatar G,Taskin Tok T

更新日期：2019-06-01 00:00:00