NMR and molecular dynamics studies of tachykinins: conformation of substance P fragment 4-11.

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：:Novel Coronavirus or SARS-CoV-2 has received worldwide attention due to the COVID-19 pandemic, which originated in Wuhan, China leading to thousands of deaths to date. The SARS-CoV-2 Spike glycoprotein protein is one of the main focus of COVID-19 related research as it is a structural protein that facilitates its atta...

journal_title：Journal of biomolecular structure & dynamics

authors： Ahamad S,Kanipakam H,Gupta D

更新日期：2020-08-27 00:00:00

abstract：:Cromolyn sodium (CS), an anti-inflammatory drug is used in the treatment of allergic disorders. Bovine serum albumin (BSA) a blood plasma protein is used as a model protein for studying protein folding and ligand binding mechanism as it is the main transporter protein which decides the disposition and pharmacodynamics...

journal_title：Journal of biomolecular structure & dynamics

authors： Yasmeen S,Riyazuddeen,Khatun S,Abul Qais F

更新日期：2020-02-01 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：:In this study, various molecular dynamics simulations were conducted to investigate the effects of ethanol and temperature on the conformational changes of human lysozyme, which may lead insights into amyloidosis. The analyses of some important structural characteristics, such as backbone root-mean-square deviation, s...

journal_title：Journal of biomolecular structure & dynamics

authors： Liu HL,Wu YC,Zhao JH,Fang HW,Ho Y

更新日期：2006-12-01 00:00:00

abstract：:Glyoxalase is one of two enzymes of the glyoxalase detoxification system against methylglyoxal and other aldehydes, the metabolites derived from glycolysis. The glyoxalase system is found almost in all living organisms: bacteria, protozoa, plants, and animals, including humans, and is related to the class of 'life ess...

journal_title：Journal of biomolecular structure & dynamics

authors： Kargatov AM,Boshkova EA,Chirgadze YN

更新日期：2018-08-01 00:00:00

abstract：:P2Y12 receptor is an attractive target for the anti-platelet therapies, treating various thrombotic diseases. In this work, a total of 107 6-aminonicotinate-based compounds as potent P2Y12 antagonists were studies by a molecular modeling study combining three-dimensional quantitative structure-activity relationship (3...

journal_title：Journal of biomolecular structure & dynamics

authors： Zhou S,Fang D,Tan S,Lin W,Wu W,Zheng K

更新日期：2017-10-01 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：:Tyrosinase plays an important role in melanin biosynthesis and protects skin against ultraviolet radiations. Functional deficiency of tyrosinase results in serious dermatological diseases. Tyrosinase also participates in neuromelanin formation in the human brain, which leads to neurodegeneration resulting in Parkinson...

journal_title：Journal of biomolecular structure & dynamics

authors： Ghayas S,Ali Masood M,Parveen R,Aquib M,Farooq MA,Banerjee P,Sambhare S,Bavi R

更新日期：2020-07-01 00:00:00

abstract：:The operator-binding domain of the lambda-repressor contains five alpha-helices and an extended N-terminal arm in the crystal structure determined by Pabo and Lewis reported in Nature 298, 443, 1982 (1). The four helices form a "box" enclosing a hydrophobic core with the fifth helix interacting with the equivalent hel...

journal_title：Journal of biomolecular structure & dynamics

authors： Bashford D,Weaver DL,Karplus M

更新日期：1984-03-01 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：:The sequence dependent conformation, flexibility and hydration properties of DNA molecules constitute selectivity determinants in the formation of protein-DNA complexes. TATA boxes in which AT basepairs (bp) have been substituted by IC bp (TITI box) allow for probing these selectivity determinants for the complexation...

journal_title：Journal of biomolecular structure & dynamics

authors： Pastor N,MacKerell AD Jr,Weinstein H

更新日期：1999-02-01 00:00:00

abstract：:The nature of the H-bonds between the human protein HLA-DR1 (DRB*0101) and the hemagglutinin peptide HA306-318 has been studied using the Quantum Theory of Atoms in Molecules for the first time. We have found four H-bond groups: one conventional CO··HN bond group and three nonconventional CO··HC, π··HC involving aroma...

journal_title：Journal of biomolecular structure & dynamics

authors： Aray Y,Aguilera-García R,Izquierdo DR

更新日期：2019-01-01 00:00:00

abstract：:All major suggestions about the nucleosome positioning sequence pattern(s) are overviewed. Two basic binary periodical patterns are well established: in purine/pyrimidine alphabet - YRRRRRYYYYYR and in strong/weak alphabet -SWWWWWSSSSSW. Their merger in four-letter alphabet sequence coincides with first ever complete ...

journal_title：Journal of biomolecular structure & dynamics

authors： Trifonov EN

更新日期：2010-06-01 00:00:00

abstract：:In this study, we have theoretically demonstrated the intrinsic ability of the wobble G·T(w)/G*·T*(w)/G·T(w1)/G·T(w2) and Watson-Crick-like G*·T(WC) DNA base mispairs to interconvert into each other via the DPT tautomerization. We have established that among all these transitions, only one single G·T(w) ↔ G*·T(WC) pat...

journal_title：Journal of biomolecular structure & dynamics

authors： Brovarets' OO,Hovorun DM

更新日期：2015-01-01 00:00:00

abstract：:Multidrug efflux mechanism is the main cause of intrinsic drug resistance in bacteria. Mycobacterium multidrug resistant (MMR) protein belongs to small multidrug resistant family proteins (SMR), causing multidrug resistance to proton (H(+))-linked lipophilic cationic drug efflux across the cell membrane. In the presen...

journal_title：Journal of biomolecular structure & dynamics

authors： Malkhed V,Mustyala KK,Potlapally SR,Vuruputuri U

更新日期：2014-12-01 00:00:00

abstract：:Most β-Glucosidase (B8CYA8) are prone to inhibition by glucose. Experimentally observed specific activity of B8CYA8 on 20 mM, 50 mM, and 100 mM p-nitrophenyl-β-D-glucopyranoside (pNPGlc) substrate concentrations show surprise dependence on the presence of 0-3 M glucose at 335 K. We found that at high substrate concent...

journal_title：Journal of biomolecular structure & dynamics

authors： Konar S,Sinha SK,Datta S,Ghorai PK

更新日期：2020-07-28 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：: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：:In the past two decades RNase A has been the focus of diverse investigations in order to understand the nature of substrate binding and to know the mechanism of enzyme action. Although this system is reasonably well characterized from the view point of some of the binding sites, the details of interactions in the seco...

journal_title：Journal of biomolecular structure & dynamics

authors： Seshadri K,Rao VS,Vishveshwara S

更新日期：1994-12-01 00:00:00

abstract：:A computer simulation of guanine (G), cytosine (C), the G-C base pair, protonated C (CH+), acetic acid in neutral (AcOH) and deprotonated (AcO-) forms, G-AcO-, C-AcOH, and CH(+)-AcO- complexes, solvated in DMSO was carried out by the Monte Carlo method. It is shown that the G-C base pair formation in DMSO is energetic...

journal_title：Journal of biomolecular structure & dynamics

authors： Danilov VI,Slyusarchuk ON,Poltev VI,Alderfer JL

更新日期：1997-10-01 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：:With the explosive growth of protein sequences entering into protein data banks in the post-genomic era, it is highly demanded to develop automated methods for rapidly and effectively identifying the protein-protein binding sites (PPBSs) based on the sequence information alone. To address this problem, we proposed a p...

journal_title：Journal of biomolecular structure & dynamics

authors： Jia J,Liu Z,Xiao X,Liu B,Chou KC

更新日期：2016-09-01 00:00:00

abstract：:Galantamine (Gnt) is a natural alkaloid inhibitor of acetylcholinesterase and is presently one of the most used drugs in the treatment against Alzheimer's disease during both the initial and intermediate stages. Among several natural Gnt derivatives, sanguinine (Sng) and lycoramine (Lyc) attract attention because of t...

journal_title：Journal of biomolecular structure & dynamics

authors： Rocha REO,Lima LHF

更新日期：2019-04-01 00:00:00

abstract：:Proteins interact with carbohydrates to perform various cellular interactions. Of the many carbohydrate ligands that proteins bind with, mannose constitute an important class, playing important roles in host defense mechanisms. Accurate identification of mannose-interacting residues (MIR) may provide important clues t...

journal_title：Journal of biomolecular structure & dynamics

authors： Pai PP,Mondal S

更新日期：2016-10-01 00:00:00

abstract：:Elicitins, produced by most of the phytopathogenic fungi of the genus Phytophthora, provoke in the tobacco plant both remote leaf necrosis and the induction of a resistance against subsequent attack by various micro-organisms. The crystal structure of b-cryptogein (CRY), secreted by Phytophthora cryptogea, was previou...

journal_title：Journal of biomolecular structure & dynamics

authors： Demaret S,Demaret JP,Brunie S

更新日期：2000-12-01 00:00:00

abstract：:Calcium Dependent Protein Kinases are found in the Apicomplexan, algae, and plants; however, they are not reported in vertebrates and are regarded as excellent drug targets for pharmaceutical interventions. Calcium Dependent Protein Kinases of Cryptosporidium are probably involved in the regulation of invasion and egr...

journal_title：Journal of biomolecular structure & dynamics

authors： Dhal AK,Pani A,Yun SI,Mahapatra RK

更新日期：2020-07-07 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：:Tetra-(4-N-methylpyridyl)-porphyrin, (T4MPyP), is a tetracationic porphyrin that binds to G-C sequences of DNA by means of an intercalative mode. In order to extend its selective sequence recognition capacity for bases beyond the intercalation site, and in the major groove, we have undertaken the theoretical design of...

journal_title：Journal of biomolecular structure & dynamics

authors： Hui X,Gresh N

更新日期：1993-10-01 00:00:00

abstract：:A modelling procedure has been utilized to obtain a preliminary three-dimensional structural model for the bacteriophage IKe DNA binding protein (IKe-DBP) based on the known high resolution X-ray diffraction structure of a functionally related protein (G5BP) from bacteriophage fd. The degree of structural homology obs...

journal_title：Journal of biomolecular structure & dynamics

authors： Brayer GD

更新日期：1987-04-01 00:00:00