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Purification, Crystallization and Preliminary X-Ray Diffraction Analysis of Exodeoxyribonuclease III from Crenarchaeon Sulfolobus Tokodaii Strain 7
Crystal Structure Theory and Applications, 2013, 2, 155-158 Published Online December 2013 (http://www.scirp.org/journal/csta) http://dx.doi.org/10.4236/csta.2013.24021 Purification, Crystallization and Preliminary X-Ray Diffraction Analysis of Exodeoxyribonuclease III from Crenarchaeon Sulfolobus tokodaii Strain 7 Shuichi Miyamoto1*, Chieko Naoe2, Masaru Tsunoda3, Kazuo T. Nakamura2 1Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto, Japan 2School of Pharmacy, Showa University, Tokyo, Japan 3Faculty of Pharmacy, Iwaki Meisei University, Iwaki, Japan Email: *[email protected] Received October 13, 2013; revised November 12, 2013; accepted December 6, 2013 Copyright © 2013 Shuichi Miyamoto et al. This is an open access article distributed under the Creative Commons Attribution Li- cense, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. ABSTRACT Exodeoxyribonuclease III (EXOIII) acts as a 3’→5’ exonuclease and is homologous to purinic/apyrimidinic (AP) en- donuclease (APE), which plays an important role in the base excision repair pathway. To structurally investigate the reaction and substrate recognition mechanisms of EXOIII, a crystallographic study of EXOIII from Sulfolobus tokodaii strain 7 was carried out. The purified enzyme was crystallized by using the hanging-drop vapor-diffusion method. The crystals belonged to space group C2, with unit-cell parameters a = 154.2, b = 47.7, c = 92.4 Å, β = 125.8˚ and diffracted to 1.5 Å resolution. Keywords: Crenarchaeon; Crystallization; Exodeoxyribonuclease; Sulfolobus tokodaii; X-Ray Diffraction 1. Introduction formational change upon protein binding that permits complex formation and activation of attacking water, A variety of mechanisms exist to repair damaged DNA leading to incision, in the presence of Mg2+ [10,11]. -
The Rnase H-Like Superfamily: New Members, Comparative Structural Analysis and Evolutionary Classification Karolina A
4160–4179 Nucleic Acids Research, 2014, Vol. 42, No. 7 Published online 23 January 2014 doi:10.1093/nar/gkt1414 The RNase H-like superfamily: new members, comparative structural analysis and evolutionary classification Karolina A. Majorek1,2,3,y, Stanislaw Dunin-Horkawicz1,y, Kamil Steczkiewicz4, Anna Muszewska4,5, Marcin Nowotny6, Krzysztof Ginalski4 and Janusz M. Bujnicki1,3,* 1Laboratory of Bioinformatics and Protein Engineering, International Institute of Molecular and Cell Biology, ul. Ks. Trojdena 4, PL-02-109 Warsaw, Poland, 2Department of Molecular Physiology and Biological Physics, University of Virginia, 1340 Jefferson Park Avenue, Charlottesville, VA USA-22908, USA, 3Bioinformatics Laboratory, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University, Umultowska 89, PL-61-614 Poznan, Poland, 4Laboratory of Bioinformatics and Systems Biology, Centre of New Technologies, University of Warsaw, Zwirki i Wigury 93, PL-02-089 Warsaw, Poland, 5Institute of Biochemistry and Biophysics PAS, Pawinskiego 5A, PL-02-106 Warsaw, Poland and 6Laboratory of Protein Structure, International Institute of Molecular and Cell Biology, ul. Ks. Trojdena 4, PL-02-109 Warsaw, Poland Received September 23, 2013; Revised December 12, 2013; Accepted December 26, 2013 ABSTRACT revealed a correlation between the orientation of Ribonuclease H-like (RNHL) superfamily, also called the C-terminal helix with the exonuclease/endo- the retroviral integrase superfamily, groups together nuclease function and the architecture of the numerous enzymes involved in nucleic acid metab- active site. Our analysis provides a comprehensive olism and implicated in many biological processes, picture of sequence-structure-function relation- including replication, homologous recombination, ships in the RNHL superfamily that may guide func- DNA repair, transposition and RNA interference. -
Supplementary Materials
Supplementary Materials COMPARATIVE ANALYSIS OF THE TRANSCRIPTOME, PROTEOME AND miRNA PROFILE OF KUPFFER CELLS AND MONOCYTES Andrey Elchaninov1,3*, Anastasiya Lokhonina1,3, Maria Nikitina2, Polina Vishnyakova1,3, Andrey Makarov1, Irina Arutyunyan1, Anastasiya Poltavets1, Evgeniya Kananykhina2, Sergey Kovalchuk4, Evgeny Karpulevich5,6, Galina Bolshakova2, Gennady Sukhikh1, Timur Fatkhudinov2,3 1 Laboratory of Regenerative Medicine, National Medical Research Center for Obstetrics, Gynecology and Perinatology Named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia 2 Laboratory of Growth and Development, Scientific Research Institute of Human Morphology, Moscow, Russia 3 Histology Department, Medical Institute, Peoples' Friendship University of Russia, Moscow, Russia 4 Laboratory of Bioinformatic methods for Combinatorial Chemistry and Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia 5 Information Systems Department, Ivannikov Institute for System Programming of the Russian Academy of Sciences, Moscow, Russia 6 Genome Engineering Laboratory, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia Figure S1. Flow cytometry analysis of unsorted blood sample. Representative forward, side scattering and histogram are shown. The proportions of negative cells were determined in relation to the isotype controls. The percentages of positive cells are indicated. The blue curve corresponds to the isotype control. Figure S2. Flow cytometry analysis of unsorted liver stromal cells. Representative forward, side scattering and histogram are shown. The proportions of negative cells were determined in relation to the isotype controls. The percentages of positive cells are indicated. The blue curve corresponds to the isotype control. Figure S3. MiRNAs expression analysis in monocytes and Kupffer cells. Full-length of heatmaps are presented. -
(51) International Patent Classification: A61K 8/66 (2006.01) A61Q 11/00
( (51) International Patent Classification: A61K 8/66 (2006.01) A61Q 11/00 (2006.01) (21) International Application Number: PCT/EP20 19/08 1186 (22) International Filing Date: 13 November 2019 (13. 11.2019) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 18206133.3 14 November 2018 (14. 11.2018) EP (71) Applicant: NOVOZYMES A/S [DK/DK]; Krogshoejvej 36, 2880 Bagsvaerd (DK). (72) Inventors: DURHUUS, Thomas, Thomasen; Krogshoe¬ jvej 36, 2880 Bagsvaerd (DK). PALMEN, Lorena, Gonzalez,; Krogshoejvej 36, 2880 Bagsvaerd (DK). REISER, Anna, Verena,; Krogshoejvej 36, 2880 Bagsvaerd (DK). STREICHER, Werner, W,; Krogshoe¬ jvej 36, 2880 Bagsvaerd (DK). (81) Designated States (unless otherwise indicated, for every kind of national protection available) : AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available) : ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, Cl, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). -
Letters to Nature
letters to nature Received 7 July; accepted 21 September 1998. 26. Tronrud, D. E. Conjugate-direction minimization: an improved method for the re®nement of macromolecules. Acta Crystallogr. A 48, 912±916 (1992). 1. Dalbey, R. E., Lively, M. O., Bron, S. & van Dijl, J. M. The chemistry and enzymology of the type 1 27. Wolfe, P. B., Wickner, W. & Goodman, J. M. Sequence of the leader peptidase gene of Escherichia coli signal peptidases. Protein Sci. 6, 1129±1138 (1997). and the orientation of leader peptidase in the bacterial envelope. J. Biol. Chem. 258, 12073±12080 2. Kuo, D. W. et al. Escherichia coli leader peptidase: production of an active form lacking a requirement (1983). for detergent and development of peptide substrates. Arch. Biochem. Biophys. 303, 274±280 (1993). 28. Kraulis, P.G. Molscript: a program to produce both detailed and schematic plots of protein structures. 3. Tschantz, W. R. et al. Characterization of a soluble, catalytically active form of Escherichia coli leader J. Appl. Crystallogr. 24, 946±950 (1991). peptidase: requirement of detergent or phospholipid for optimal activity. Biochemistry 34, 3935±3941 29. Nicholls, A., Sharp, K. A. & Honig, B. Protein folding and association: insights from the interfacial and (1995). the thermodynamic properties of hydrocarbons. Proteins Struct. Funct. Genet. 11, 281±296 (1991). 4. Allsop, A. E. et al.inAnti-Infectives, Recent Advances in Chemistry and Structure-Activity Relationships 30. Meritt, E. A. & Bacon, D. J. Raster3D: photorealistic molecular graphics. Methods Enzymol. 277, 505± (eds Bently, P. H. & O'Hanlon, P. J.) 61±72 (R. Soc. Chem., Cambridge, 1997). -
Microsomal and Cytosolic Scaling Factors in Dog and Human Kidney Cortex and Application for in Vitro-In Vivo Extrapolation of Renal Metabolic Clearance S
Supplemental material to this article can be found at: http://dmd.aspetjournals.org/content/suppl/2017/03/07/dmd.117.075242.DC1 1521-009X/45/5/556–568$25.00 https://doi.org/10.1124/dmd.117.075242 DRUG METABOLISM AND DISPOSITION Drug Metab Dispos 45:556–568, May 2017 Copyright ª 2017 by The Author(s) This is an open access article distributed under the CC BY Attribution 4.0 International license. Microsomal and Cytosolic Scaling Factors in Dog and Human Kidney Cortex and Application for In Vitro-In Vivo Extrapolation of Renal Metabolic Clearance s Daniel Scotcher, Sarah Billington, Jay Brown, Christopher R. Jones, Colin D. A. Brown, Amin Rostami-Hodjegan, and Aleksandra Galetin Centre for Applied Pharmacokinetic Research, University of Manchester, Manchester (D.S., A.R.-H., A.G.); Newcastle University, Newcastle (S.B., C.D.A.B.); Biobank, Central Manchester University Hospitals NHS Foundation Trust, Manchester (J.B.); DMPK, Oncology iMed, AstraZeneca R&D, Alderley Park, Macclesfield (C.R.J.); and Simcyp Limited (a Certara Company), Blades Enterprise Centre, Sheffield (A.R.-H.), United Kingdom Received January 26, 2017; accepted February 27, 2017 Downloaded from ABSTRACT In vitro-in vivo extrapolation of drug metabolism data obtained in in dog liver (n = 17), using P450 content and G6Pase activity, enriched preparations of subcellular fractions rely on robust esti- respectively. No trends were noted between kidney, liver, and mates of physiologically relevant scaling factors for the prediction of intestinal scalars from the same animals. Species differences were clearance in vivo. The purpose of the current study was to measure evident, as human MPPGK and CPPGK were 26.2 and 53.3 mg/g in the microsomal and cytosolic protein per gram of kidney (MPPGK kidney cortex (n = 38), respectively. -
Microsome Isolation Kit 3/15 (Catalog # K249-50; 50 Isolations; Store at -20°C) I
FOR RESEARCH USE ONLY! Microsome Isolation Kit 3/15 (Catalog # K249-50; 50 isolations; Store at -20°C) I. Introduction: Microsomes are spherical vesicle-like structures formed from membrane fragments following homogenization and fractionation of eukaryotic cells. The microsomal subcellular fraction is prepared by differential centrifugation and consists primarily of membranes derived from the endoplasmic reticulum (ER) and Golgi apparatus. Microsomes isolated from liver tissue are used extensively in pharmaceutical development, toxicology and environmental science to study the metabolism of drugs, organic pollutants and other xenobiotic compounds by the cytochrome P450 monooxidase (CYP) enzyme superfamily. Microsomal preparations are an affordable and convenient in vitro system for assessing Phase I biotransformation reactions, as they contain all of the xenobiotic-metabolizing CYP isozymes and the membrane-bound flavoenzymes (such as NADPH P450-Reductase and cytochrome b5) required for function of the multicomponent P450 enzyme system. BioVision’s Microsome Isolation Kit enables preparation of active microsomes in about one hour, without the need for ultracentrifugation or sucrose gradient fractionation. The kit contains sufficient reagents for 50 isolation procedures, yielding microsomes from roughly 25 grams of tissue or cultured cells. II. Applications: Convenient and fast isolation of microsomal fraction from animal tissues Assessment of CYP-mediated drug metabolism and xenobiotic biotransformation Protein profiling of microsomal membrane proteins by SDS-PAGE and Western blot III. Sample Type: Mammalian glands and soft tissues such as liver, spleen, lungs etc. Cultured eukaryotic cell lines such as HepG2 human hepatic carcinoma cells IV. Kit Contents: Components K249-50 Cap Code Part Number Homogenization Buffer 80 ml NM K249-50-1 Storage Buffer 20 ml WM K249-50-2 Protease Inhibitor Cocktail 1 vial Red K249-50-3 V. -
The Microbiota-Produced N-Formyl Peptide Fmlf Promotes Obesity-Induced Glucose
Page 1 of 230 Diabetes Title: The microbiota-produced N-formyl peptide fMLF promotes obesity-induced glucose intolerance Joshua Wollam1, Matthew Riopel1, Yong-Jiang Xu1,2, Andrew M. F. Johnson1, Jachelle M. Ofrecio1, Wei Ying1, Dalila El Ouarrat1, Luisa S. Chan3, Andrew W. Han3, Nadir A. Mahmood3, Caitlin N. Ryan3, Yun Sok Lee1, Jeramie D. Watrous1,2, Mahendra D. Chordia4, Dongfeng Pan4, Mohit Jain1,2, Jerrold M. Olefsky1 * Affiliations: 1 Division of Endocrinology & Metabolism, Department of Medicine, University of California, San Diego, La Jolla, California, USA. 2 Department of Pharmacology, University of California, San Diego, La Jolla, California, USA. 3 Second Genome, Inc., South San Francisco, California, USA. 4 Department of Radiology and Medical Imaging, University of Virginia, Charlottesville, VA, USA. * Correspondence to: 858-534-2230, [email protected] Word Count: 4749 Figures: 6 Supplemental Figures: 11 Supplemental Tables: 5 1 Diabetes Publish Ahead of Print, published online April 22, 2019 Diabetes Page 2 of 230 ABSTRACT The composition of the gastrointestinal (GI) microbiota and associated metabolites changes dramatically with diet and the development of obesity. Although many correlations have been described, specific mechanistic links between these changes and glucose homeostasis remain to be defined. Here we show that blood and intestinal levels of the microbiota-produced N-formyl peptide, formyl-methionyl-leucyl-phenylalanine (fMLF), are elevated in high fat diet (HFD)- induced obese mice. Genetic or pharmacological inhibition of the N-formyl peptide receptor Fpr1 leads to increased insulin levels and improved glucose tolerance, dependent upon glucagon- like peptide-1 (GLP-1). Obese Fpr1-knockout (Fpr1-KO) mice also display an altered microbiome, exemplifying the dynamic relationship between host metabolism and microbiota. -
The Extraction of Intracisternal A-Particles from a Mouse Plasma-Cell Tumor1
(CANCER RESEARCH 28, 2137-2148,October1968] The Extraction of Intracisternal A-Particles from a Mouse Plasma-Cell Tumor1 Edward 1.Kuff, Nelson A. Wivel, and Kira K. Lueders Laboratory of Biochemistry and Viral Leukemia and Lymphoma Branch, National Cancer lnstitute, NIH, Department of Health, Education, and Welfare, USPHS, Bethesda, Maryland ?A%114 SUMMARY 29, A. J. Dalton, M. Potter, and H. B. Andervont, personal communication). Plasma-cell tumors in BALB/c mice contain numerous in The other type, with which the present study deals, has been tracistemnal A-particles which remain localized within micro found in myeloma lines arising both in C3H mice (carrying somal vesicles when the tumor cells are disrupted by homoge the mammary tumor agent) and in mice of the agent-free nization. Liberation of the particles has been achieved by sub BALB/c strain. Measuring between 70 and 100 m@iin diameter, jecting microsome suspensions to mechanical shear in the pres these particles consist of two concentric shells surrounding a ence of an optimal concentration of Triton X-100. The particles relatively electron-lucent core and are characterized by an cx were concentrated by two cycles of sedimentation in sucrose clusive localization within the cistemnae of the endoplasmic potassium citrate solutions, pH 72, and finally banded iso reticulum of the tumor cells. They appear to form by budding pycnically in a sucrose density gradient containing dilute at the reticulum membranes and may be very numerous in th,@ potassium citrate. Most of the particles were recovered in a neoplastic plasma cells. Particles of similar morphology and density range of 1.20.-i .24 gm/cu cm. -
Prediction of Novel Inhibitors Against Exodeoxyribonuclease І of H
International Journal of Scientific & Engineering Research, Volume 6, Issue 2, February-2015 217 ISSN 2229-5518 Prediction of Novel Inhibitors against Exodeoxyribonuclease І of H. influenzae through In Silico Approach Shaik Parveen, Natarajan Pradeep, Kanipakam Hema and Amineni Umamaheswari Abstract — These Haemophilus influenzae is a Gram-negative bacterium which causes pneumonia in humans. Due to its multidrug resistance to peni- cillin, rifampin and polymyxin and adverse effects of existing treatments, the condition became an open challenge for many researchers to discover novel antagonists for the treatment of pneumonia caused by H. influenzae. 5 potential sRNA candidates were identified in H. influenzae using sRNA predict tool, among them3 were enzymes and 2 were non-enzymes. Among the three identified enzymes exodeoxyribonuclease І of H. influenzae was non- homologous to humans was selected as novel drug target in the present study. Exodeoxyribonuclease І is an enzyme involved in the mismatch repair mechanism of H. influenzae. The 3D structure of the exodeoxyribonuclease І was modeled based on the crystal structure of 4JRP using Modeler 9v13 and built model was validated using PROCHECK analysis, ProQ and ProSA. The existing eight inhibitors of exodeoxyribonuclease І were searched in 3D ligand database through shape screening against ASINEX database using Phasev3.2 module and structural analogs were docked with exodeoxyri- bonuclease І in Maestro v9.6 virtual screening workflow, that implements three stage Glide docking protocol. The docking results revealed that 11 leads were having better docking and ∆G scores when compared with the eight existing inhibitors among them lead 1 was having ∆G score of -68.78 kcal/mol. -
Association of Newly Synthesized Islet Prohormones with Intracellular Membranes
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by PubMed Central Association of Newly Synthesized Islet Prohormones with Intracellular Membranes BRYAN D. NOE and MICHAEL N. MORAN Department ofAnatomy, Emory University of School of Medicine, Atlanta, Georgia 30322; The Marine Biological Laboratory, Woods Hole, Massachusetts 02543 ABSTRACT Results from recent studies have indicated that pancreatic islet prohormone converting enzymes are membrane-associated in islet microsomes and secretory granules. This observation, along with the demonstration that proglucagon is topologically segregated to the periphery within alpha cell secretory granules in several species, led us to investigate the possibility that newly synthesized islet prohormones might be associated with intracellular membranes. Anglerfish islets were incubated with [3 H]tryptophan and [ 14C]isoleucine for 3 h, then fractionated by differential and density gradient centrifugation. Microsome (M) and secretory granule (SG) fractions were halved, sedimented, and resuspended in the presence or absence of dissociative reagents. After membrane lysis by repeated freezing and thawing, the membranous and soluble components were separated by centrifugation . Extracts of supernatants and pellets were chromatographed by gel filtration ; fractions were collected and counted . A high proportion (77-79%) of the newly synthesized proinsulin and insulin was associated with both M and SG membranes. Most of the newly synthesized proglucagons and prosomatostatins (12,000-mol-wt precursors) were also membrane-associated (86-88%) in M and SG . In contrast, glucagon- and somatostatin-related peptides exhibited much less mem- brane-association in SG (24-31%) . Bacitracin, bovine serum albumin EDTA, RNAse, a-meth- ylmannoside, N-acetylglucosamine, and dithiodipyridine had no effect on prohormone asso- ciation with membranes. -
Method for Linking Nucleic Acids in a Microsome from Endoplasmatic
(19) TZZ ¥¥_T (11) EP 2 626 433 B1 (12) EUROPEAN PATENT SPECIFICATION (45) Date of publication and mention (51) Int Cl.: of the grant of the patent: C12Q 1/68 (2006.01) C12N 15/62 (2006.01) 12.04.2017 Bulletin 2017/15 C12N 15/13 (2006.01) C07K 16/00 (2006.01) (21) Application number: 12154726.9 (22) Date of filing: 09.02.2012 (54) Method for linking nucleic acids in a microsome from endoplasmatic reticuli Verfahren zum Koppeln von Nukleinsäuren in einem Mikrosom aus den endoplasmatischen Retikuli. Procédé pour lier les acides nucléiques dans un microsome provenant du réticulum endoplasmique (84) Designated Contracting States: • ANGENENDT P ET AL: "CELL-FREE PROTEIN AL AT BE BG CH CY CZ DE DK EE ES FI FR GB EXPRESSION AND FUNCTIONAL ASSAY IN GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO NANOWELL CHIP FORMAT", ANALYTICAL PL PT RO RS SE SI SK SM TR CHEMISTRY, AMERICAN CHEMICAL SOCIETY, US, vol. 76, no. 7, 1 April 2004 (2004-04-01), pages (43) Date of publication of application: 1844-1849, XP001196723, ISSN: 0003-2700, DOI: 14.08.2013 Bulletin 2013/33 10.1021/AC035114I • DATABASE MEDLINE [Online] US NATIONAL (73) Proprietors: LIBRARY OF MEDICINE (NLM), BETHESDA, MD, • Max-Planck-Gesellschaft zur Förderung US; December 2001 (2001-12), WANG M ET AL: der Wissenschaften e.V. "[Sequence analysis of the late region of human 80539 München (DE) papillomavirus type 6 genome].", XP002678283, • Alacris Theranostics GmbH Database accession no. NLM12901100 & 14195 Berlin (DE) ZHONGGUO YI XUE KE XUE YUAN XUE BAO.