Closed loops of TIM barrel protein fold.

abstract：:Guanine rich DNA sequences of regulatory genomic regions form secondary structures known as G-quadruplexes usually stabilized by tetrads of Hoogsteen hydrogen bonded guanines. The in vivo existence of G-quadruplexes ascertains their biological roles. Human telomeric repeats are the most studied G-rich sequences. The f...

journal_title：Journal of biomolecular structure & dynamics

authors： Bansal A,Kukreti S

更新日期：2020-04-01 00:00:00

abstract：:A stably-bound external binding site for ethidium cation in the major groove of B-form DNA is proposed. This complex is stabilized by hydrogen bonding between this ligand and the nucleophilic centers O6 and N7 of guanine, both of which are accessible via the major groove. This binding site is not the same as the well-...

journal_title：Journal of biomolecular structure & dynamics

authors： Monaco RR

更新日期：2007-10-01 00:00:00

abstract：:Catalase is an important antioxidant enzyme that catalyzes the disproportionation of H2O2 into harmless water and molecular oxygen. Due to various applications of the enzyme in different sectors of industry as well as medicine, the enhancement of stability of the enzyme is important. Effect of various classes of compa...

journal_title：Journal of biomolecular structure & dynamics

authors： Sepasi Tehrani H,Moosavi-Movahedi AA,Ghourchian H,Ahmad F,Kiany A,Atri MS,Ariaeenejad Sh,Kavousi K,Saboury AA

更新日期：2013-12-01 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：:Computations on the energy profiles for Na+ in the gramicidin A (GA) channel have been extended by introducing the effect, previously neglected, of the amino acid side chains of GA, fixed in their most stable conformations. The calculations have been performed in two approximations: 1) with the ethanolamine tail fixed...

journal_title：Journal of biomolecular structure & dynamics

authors： Etchebest C,Pullman A

更新日期：1985-02-01 00:00:00

abstract：:Chlamydia trachomatis (C.t) is a Gram-negative obligate intracellular bacteria and is a major causative of infectious blindness and sexually transmitted diseases. Among the varied serovars of this organism, A, B and C are reported as prominent ocular pathogens. Genomic studies of these strains shall aid in deciphering...

journal_title：Journal of biomolecular structure & dynamics

authors： Sadhasivam A,Vetrivel U

更新日期：2018-06-01 00:00:00

abstract：:The development of SrtA inhibitors targeting the biothreat organism namely Bacillus anthracis was achieved by the combined approach of pharmacophore modeling, binding interactions, electron transferring capacity, ADME, and Molecular dynamics studies. In this study, experimentally reported Ba-SrtA inhibitors (pyridazin...

journal_title：Journal of biomolecular structure & dynamics

authors： Selvaraj C,Singh SK

更新日期：2014-01-01 00:00:00

abstract：:The reaction mechanisms of two isomeric bay-region diol epoxides of 5-methylchrysene (trans-1,2-dihydroxy-anti-3,4-epoxy-1,2,3,4-tetrahydro-5-methylchrysene (DE-I) and trans-7,8-dihydroxy-anti-9,10-epoxy-7,8,9,10-tetrahydro-5-methylchrysene (DE-II) with double-stranded DNA in aqueous solutions were studied utilizing k...

journal_title：Journal of biomolecular structure & dynamics

authors： Kim MH,Roche CJ,Geacintov NE,Pope M,Pataki J,Harvey RG

更新日期：1986-04-01 00:00:00

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

journal_title：Journal of biomolecular structure & dynamics

authors： Khan S,Somvanshi P,Singh A,Khan M,Mandal RK,Dar SA,Wahid M,Jawed A,Mishra BN,Haque S

更新日期：2020-03-03 00:00:00

abstract：:DNaseI digestion studies (Brukner et al, EMBO J 14, 1812-1818 1995) and nucleosomebinding data (Satchwell et al, J. Mol. Biol. 191, 639-659 1986, Goodsell and Dickerson, Nucleic trinucleotides. A detailed comparison of the two models suggests that while both of them represent improvements with respect to dinucleotide ...

journal_title：Journal of biomolecular structure & dynamics

authors： Brukner I,Sánchez R,Suck D,Pongor S

更新日期：1995-10-01 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：:Human male germ cell-associated kinase (hMAK) is an androgen-inducible gene in prostate epithelial cells, and it acts as a coactivator of androgen receptor signaling in prostate cancer. The 3D structure of the hMAK kinase was modeled based on the crystal structure of CDK2 kinase using comparative modeling methods, and...

journal_title：Journal of biomolecular structure & dynamics

authors： Tanneeru K,Balla AR,Guruprasad L

更新日期：2015-01-01 00:00:00

abstract：:Actinomycin D (ActD) is a DNA-binding antitumor antibiotic that appears to act in vivo by inhibiting RNA polymerase. The mechanism of DNA binding of ActD has attracted much attention because of its strong preference for 5'-dGpdC-3' sequences. Binding is thought to involve intercalation of the tricyclic aromatic phenox...

journal_title：Journal of biomolecular structure & dynamics

authors： Rill RL,Marsch GA,Graves DE

更新日期：1989-12-01 00:00:00

abstract：:Previous reports have shown that protein-drug interaction helps to improve the pharmacokinetics of the drugs. Human serum albumin (HSA) is one of the basic components of blood plasma and it serves as a storage and carrier protein. In the present study, the interaction of a new synthesized Pt [iso]2 complex (cis - [Pt(...

journal_title：Journal of biomolecular structure & dynamics

authors： Mohammadgholi A,Leilabadi-Asl A,Divsalar A,Eslami-Moghadam M

更新日期：2020-04-07 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：: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：:Repetitive basic polypeptides containing lysine or arginine as every third amino acid were shown to cause DNA condensation at physiological salt concentration connected with selective DNA binding with respect to DNA composition and sequence. This selectivity is very similar to that existing in the case of histone H1 a...

journal_title：Journal of biomolecular structure & dynamics

authors： Sponar J,Votavová H

更新日期：1996-06-01 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：:We have examined the conformational energetics of the eight most commonly occurring nucleosides--A, U, G, C, dA, dT, dG, dC--as monitored by a semi-empirical energy force field. These are the first reported calculations to completely explore the entire conformational spaces available to all eight major nucleosides usi...

journal_title：Journal of biomolecular structure & dynamics

authors： Pearlman DA,Kim SH

更新日期：1985-08-01 00:00:00

abstract：:The object of the present study is the verification of a new approach to the design of the active truncated forms of enzymes. The method is based on a new way of investigating the protein sequences--the ANalysis of Informational Structure (ANIS). The analysis of informational structure allows to determine the hierarch...

journal_title：Journal of biomolecular structure & dynamics

authors： Nekrasov AN,Radchenko VV,Shuvaeva TM,Novoselov VI,Fesenko EE,Lipkin VM

更新日期：2007-04-01 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：:Two 4-ns molecular dynamics simulations of calcium loaded calmodulin in solution have been performed, using both standard nonbonded cutoffs and Ewald summation to treat electrostatic interactions. Our simulation results are generally consistent with solution experimental studies of calmodulin structure and dynamics, i...

journal_title：Journal of biomolecular structure & dynamics

authors： Yang C,Jas GS,Kuczera K

更新日期：2001-10-01 00:00:00

abstract：:We determined the binding sites of curcumin (cur), resveratrol (res), and genistein (gen) with milk β-lactoglobulin (β-LG) at physiological conditions. Fourier transform infrared spectroscopy, circular dichroism, and fluorescence spectroscopic methods as well as molecular modeling were used to determine the binding of...

journal_title：Journal of biomolecular structure & dynamics

authors： Kanakis CD,Tarantilis PA,Polissiou MG,Tajmir-Riahi HA

更新日期：2013-12-01 00:00:00

abstract：:The assembly origin (AO) region of the tobacco mosaic virus RNA melts in an usually narrow (2.5 degrees C) temperature range. In an 0.01 M phosphate buffer the melting temperature of AO was found to be 41.5 degrees C. This value corresponds to the regions with the most stable secondary/tertiary structure of the whole ...

journal_title：Journal of biomolecular structure & dynamics

authors： Kelve M,Aruja A,Kooli K,Männik J,Raukas E

更新日期：1987-08-01 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：: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：: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：:Triple-negative breast cancers (TNBCs) are one of the most aggressive and complex forms of cancers in women. TNBCs are commonly known for their complex heterogeneity and poor prognosis. The present work aimed to develop a predictive 2D and 3D quantitative structure-activity relationship (QSAR) models against metastati...

journal_title：Journal of biomolecular structure & dynamics

authors： Shukla A,Tyagi R,Meena S,Datta D,Srivastava SK,Khan F

更新日期：2020-01-01 00:00:00

abstract：:Abstract Aromatic stacking of nucleic acid bases is one of the key players in determining the structure and dynamics of nucleic acids. The arrangement of nucleic acid bases with extensive overlap of their aromatic rings gave rise to numerous often contradictory suggestions about the physical origins of stacking and ...

journal_title：Journal of biomolecular structure & dynamics

authors： Sponer J,Berger I,Spačková N,Leszczynski J,Hobza P

更新日期：2000-01-01 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