DOCSLIB.ORG

Exploration of Chemical Space by Machine Learning

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Exploration of Chemical Space by Machine Learning Skolkovo Instutute of Science and Technology EXPLORATION OF CHEMICAL SPACE BY MACHINE LEARNING Doctoral Thesis by Sergey Sosnin Doctoral Program in Computational and Data Science and Engineering Supervisor Vice-President for Artificial Intelligence and Mathematical Modelling, Professor, Maxim Fedorov Moscow – 2020 © Sergey Sosnin, 2020 I hereby declare that the work presented in this thesis was carried out by myself at Skolkovo Institute of Science and Technology, Moscow, except where due acknowledgement is made, and has not been submitted for any other degree. Candidate: Sergey Sosnin Supervisor (Prof. Maxim V. Fedorov) 2 EXPLORATION OF CHEMICAL SPACE BY MACHINE LEARNING by Sergey Sosnin Submitted to the Center for Computational and Data-Intensive Science and Engineering and Innovation on September 2020, in partial fulfillment of the requirements for the Doctoral Program in Computational and Data Science and Engineering Abstract The enormous size of potentially reachable chemical space is a challenge for chemists who develop new drugs and materials. It was estimated as 1060 and, given such large numbers, there is no way to analyze chemical space by brute-force search. However, the extensive development of techniques for data analysis provides a basis to create methods and tools for the AI-inspired exploration of chemical space. Deep learning revolutionized many areas of science and technology in recent years, i.e., computer vision, natural language processing, and machine translation. However, the potential of application of these methods for solving chemoinformatics challenges has not been fully realized yet. In this research, we developed several methods and tools to probe chemical space for predictions of properties of organic compounds as well as for visualizing regions of chemical space and for the sampling of new compounds. We explored a new type of 3D spatial descriptors and demonstrated that one can use these descriptors with 3D Convolutional neural networks for the bioconcentration factor prediction. In our research, we proved that multitask deep learning can achieve better performance been compared with single-task learning. To improve the navigation trough chemical space, we have developed a parametric t-SNE method for visualization of large chemical datasets. We developed molecular grammars for the generation of the organic structures and implemented a library to work with these grammars: Legogram. These methods and tools provide the environment for the AI-driven exploration of chemical space. We believe that our findings will accelerate the drug discovery process. 3 Publications The main results of the work have been published in papers: 1. Sergey Sosnin, Dmitry Karlov, Igor V. Tetko, and Maxim V. Fedorov. Com- parative Study of Multitask Toxicity Modeling on a Broad Chemical Space. Journal of Chemical Information and Modeling, 2018a. ISSN 1549-9596; 1549- 960X. doi:10.1021/acs.jcim.8b00685. Place: United States Publisher: United States (Q1 journal, IF=4.54) 2. Sergey Sosnin, Mariia Vashurina, Michael Withnall, Pavel Karpov, Maxim Fedorov, and Igor V. Tetko. A Survey of Multi-Task Learning Methods in Chemoinformatics. Molecular informatics, 37, 2018c. ISSN 1868-1751; 1868- 1743. doi:10.1002/minf.201800108. Place: Weinheim, Germany, Germany Pub- lisher: Weinheim, Germany, Germany (Q2 journal, IF=2.74) 3. Sergey Sosnin, Maksim Misin, David Palmer, and Maxim Fedorov. 3D mat- ters! 3D-RISM and 3D convolutional neural network for accurate bioaccumu- lation prediction. Journal of Physics Condensed Matter, 30(32), 2018b. ISSN 1361-648X; 0953-8984. doi:10.1088/1361-648x/aad076. Place: United King- dom Publisher: United Kingdom (Q1 journal, IF=2.7) 4. Dmitry S. Karlov, Sergey Sosnin, Igor V. Tetko, and Maxim V. Fedorov. Chem- ical space exploration guided by deep neural networks. RSC advances, (9): 5151–5157, 2019. ISSN 2046-2069. doi:10.1039/c8ra10182e. Place: United Kingdom Publisher: United Kingdom (Q1 journal, IF=3.0) These publications describe findings which are related to the study: 1. Yury I. Kostyukevich, Gleb Vladimirov, Elena Stekolschikova, Daniil G. Ivanov, Arthur Yablokov, Alexander Ya Zherebker, Sergey Sosnin, Alexey Orlov, Maxim Fedorov, Philipp Khaitovich, and Evgeny N. Nikolaev. Hydrogen/Deuterium exchange aids compounds identification for LC-MS and MALDI imaging lipidomics. Analytical Chemistry, 2019. ISSN 1520-6882; 0003-2700. doi:10.1021/acs.analchem.9b02461. Place: United States Publisher: United States (Q1 journal, IF=6.35) 4 2. Dmitry S. Karlov, Sergey Sosnin, Maxim V. Fedorov, and Petr Popov. graphDelta: MPNN scoring function for the affinity prediction of protein–ligand complexes. ACS Omega, 5(10):5150–5159, March 2020. doi:10.1021/acsomega.9b04162. URL https://doi.org/10.1021/acsomega.9b04162 (Q1 journal, IF=2.87) 3. Sergey Osipenko, Inga Bashkirova, Sergey Sosnin, Oxana Kovaleva, Maxim Fedorov, Eugene Nikolaev, and Yury Kostyukevich. Machine learning to pre- dict retention time of small molecules in nano-HPLC. Analytical and Bio- analytical Chemistry, August 2020. doi:10.1007/s00216-020-02905-0. URL https://doi.org/10.1007/s00216-020-02905-0 (Q1 journal, IF=3.63) 5 Acknowledgments Firstly, I would like to express my sincere gratitude to my advisor, Vice-President for Artificial Intelligence and Mathematical Modelling of Skoltech, Prof. Maxim Fedorov, for the support during the PhD program in Skoltech. His openness to new ideas inspired me for this research project. I deeply grateful for Prof. Igor V. Tetko for the fruitful cooperation and ultimate support during this research. I acknowledge my co-authors and colleagues Dmitry Karlov, Petr Popov, Olga Novitskaya and Yury I. Kostyukevich for the beneficial teamwork. I am very grateful to my wife and colleague, Ekaterina Sosnina, who supported me a lot during my PhD program. 6 Contents 1 Introduction9 2 The Literature Review 17 2.1 Molecular Descriptors........................... 20 2.2 Machine Learning Methods in QSAR/QSPR Studies......... 24 2.3 Models Validation and Performance Measurement........... 31 2.4 3D Reference Interaction Site Model (3D-RISM)............ 36 2.5 Multitask Learning for Chemical Data Analysis............ 37 3 3D RISM and 3D CNNs for bioconcentration prediction 44 3.1 Materials and Methods.......................... 46 3.2 Results and Discussion.......................... 52 3.3 Conclusions................................ 55 4 Multitask learning for acute toxicity modelling 56 4.1 Materials and Methods.......................... 58 4.2 RTECS Chemical Space......................... 60 4.3 Correlation Analysis of Endpoints.................... 64 4.4 Comparison of Models.......................... 64 4.5 Attributed Modeling........................... 68 4.6 Conclusions................................ 73 5 Chemical space visualization guided by deep learning 75 5.1 Materials and Methods.......................... 76 5.1.1 Datasets.............................. 77 5.1.2 Parametric t-SNE......................... 78 5.1.3 Dimensionality Reduction Methods............... 82 5.1.4 Validation protocols....................... 82 5.2 Results and Discussion.......................... 82 5.3 Conclusions................................ 87 6 Legogram: Molecular grammars 88 6.1 Formal Definition of Molecular Grammars............... 90 6.2 Implementation of Molecular Grammars................ 92 6.3 Validation of the Algorithm....................... 97 6.4 Grammar Compression.......................... 98 6.5 Generative Models............................ 100 7 Contents Contents 6.5.1 Legogram-based Generative Modeling.............. 101 6.5.2 Optimization of Drug-likeness.................. 102 6.5.3 Synthetic Accessibility...................... 104 6.6 Sampling Compounds from Chemical Space.............. 106 6.7 Conclusions................................ 110 7 Conclusions 114 Glossary 120 Bibliography 123 8 Supplementary Material 147 8 Chapter 1 Introduction There is a common opinion that pharmaceutical R & D is in crisis Pammolli et al. [2011]. Companies have to spend more than ten years and more than a billion dol- lars on marketing a new drug globally. But the problem is not only about high costs and risks. The "gold-mines" – scaffolds that produced blockbuster drugs – are dried out. Investigations of new, unexplored regions of chemical space is a risky business because the clinical trial failure ratio is high. A possible solution is the intensive investigation of new areas of chemical space – to find new scaffolds for new drugs. The researchers should go to terra-incognita of chemical space, because there is a supreme request for exploration of chemical space for a search of new drug candi- dates. COVID-19 outbreak stressed the basic fact that humanity does not have an adequate response to viral diseases, and infection outbreaks are not something that we thought was a problem of the XIX century. Antibiotics resistance is another possible pain spot for humankind Ventola[2015]. Antibiotics saved millions of lives, but now we faced with the rise of resistant bacteria. Horizontal gene transfer allows bacteria to exchange genes responsible for the deactivation of antibacterial drugs Barlow[2009], Lerminiaux and Cameron[2019]. On the other hand, the pharma- ceutical industry requires time for clinical trials, limiting our chances to combat the next infection crisis. Non-communicable diseases are the leading cause of death all around the world. Despite the developed treatment strategies, there are no "silver bullets" for the majority of chronic
Load more

Recommended publications
  • Reference Guides for Registering Students with Non English Names
    Getting It Right Reference Guides for Registering Students With Non-English Names Jason Greenberg Motamedi, Ph.D. Zafreen Jaffery, Ed.D. Allyson Hagen Education Northwest June 2016 U.S. Department of Education John B. King Jr., Secretary Institute of Education Sciences Ruth Neild, Deputy Director for Policy and Research Delegated Duties of the Director National Center for Education Evaluation and Regional Assistance Joy Lesnick, Acting Commissioner Amy Johnson, Action Editor OK-Choon Park, Project Officer REL 2016-158 The National Center for Education Evaluation and Regional Assistance (NCEE) conducts unbiased large-scale evaluations of education programs and practices supported by federal funds; provides research-based technical assistance to educators and policymakers; and supports the synthesis and the widespread dissemination of the results of research and evaluation throughout the United States. JUNE 2016 This project has been funded at least in part with federal funds from the U.S. Department of Education under contract number ED‐IES‐12‐C‐0003. The content of this publication does not necessarily reflect the views or policies of the U.S. Department of Education nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government. REL Northwest, operated by Education Northwest, partners with practitioners and policymakers to strengthen data and research use. As one of 10 federally funded regional educational laboratories, we conduct research studies, provide training and technical assistance, and disseminate information. Our work focuses on regional challenges such as turning around low-performing schools, improving college and career readiness, and promoting equitable and excellent outcomes for all students.
    [Show full text]
  • Search the List of Unclaimed Child Support
    UNCLAIMED CHILD SUPPORT AS OF 02/08/2021 TO RECEIVE A PAPER CLAIM FORM, PLEASE CALL WI SCTF @ 1-800-991-5530. LAST NAME FIRST NAME MI ADDRESS CITY ABADIA CARMEN Y HOUSE A4 CEIBA ABARCA PAULA 7122 W OKANOGAN PLACE BLDG A KENNEWICK ABBOTT DONALD W 11600 ADENMOOR AVE DOWNEY ABERNATHY JACQUELINE 7722 W CONGRESS MILWAUKEE ABRAHAM PATRICIA 875 MILWAUKEE RD BELOIT ABREGO GERARDO A 1741 S 32ND ST MILWAUKEE ABUTIN MARY ANN P 1124 GRAND AVE WAUKEGAN ACATITLA JESUS 925 S 14TH ST SHEBOYGAN ACEVEDO ANIBAL 1409 POSEY AVE BESSEMER ACEVEDO MARIA G 1702 W FOREST HOME AVE MILWAUKEE ACEVEDO-VELAZQUEZ HUGO 119 S FRONT ST DORCHESTER ACKERMAN DIANE G 1939 N PORT WASHINGTON RD GRAFTON ACKERSON SHIRLEY K ADDRESS UNKNOWN MILWAUKEE ACOSTA CELIA C 5812 W MITCHELL ST MILWAUKEE ACOSTA CHRISTIAN 1842 ELDORADO DR APT 2 GREEN BAY ACOSTA JOE E 2820 W WELLS ST MILWAUKEE ACUNA ADRIAN R 2804 DUBARRY DR GAUTIER ADAMS ALIDA 4504 W 27TH AVE PINE BLUFF ADAMS EDIE 1915A N 21ST ST MILWAUKEE ADAMS EDWARD J 817 MELVIN AVE RACINE ADAMS GREGORY 7145 BENNETT AVE S CHICAGO ADAMS JAMES 3306 W WELLS ST MILWAUKEE ADAMS LINDA F 1945 LOCKPORT ST NIAGARA FALLS ADAMS MARNEAN 3641 N 3RD ST MILWAUKEE ADAMS NATHAN 323 LAWN ST HARTLAND ADAMS RUDOLPH PO BOX 200 FOX LAKE ADAMS TRACEY 104 WILDWOOD TER KOSCIUSKO ADAMS TRACEY 137 CONNER RD KOSCIUSKO ADAMS VIOLA K 2465 N 8TH ST LOWER MILWAUKEE ADCOCK MICHAEL D 1340 22ND AVE S #12 WIS RAPIDS ADKISSON PATRICIA L 1325 W WILSON AVE APT 1206 CHICAGO AGEE PHYLLIS N 2841 W HIGHLAND BLVD MILWAUKEE AGRON ANGEL M 3141 S 48TH ST MILWAUKEE AGUILAR GALINDO MAURICIO 110 A INDUSTRIAL DR BEAVER DAM AGUILAR SOLORZANO DARWIN A 113 MAIN ST CASCO AGUSTIN-LOPEZ LORENZO 1109A S 26TH ST MANITOWOC AKBAR THELMA M ADDRESS UNKNOWN JEFFERSON CITY ALANIS-LUNA MARIA M 2515 S 6TH STREET MILWAUKEE ALBAO LORALEI 11040 W WILDWOOD LN WEST ALLIS ALBERT (PAULIN) SHARON 5645 REGENCY HILLS DRIVE MOUNT PLEASANT ALBINO NORMA I 1710 S CHURCH ST #2 ALLENTOWN Page 1 of 138 UNCLAIMED CHILD SUPPORT AS OF 02/08/2021 TO RECEIVE A PAPER CLAIM FORM, PLEASE CALL WI SCTF @ 1-800-991-5530.
    [Show full text]
  • COURT ADMINISTRATOR's OFFICE 15Th JUDICIAL DISTRICT CHESTER COUNTY JUSTICE CENTER 201 WEST MARKET STREET SUITE 4100 P.O. BOX 2
    Vicky K. Bartholomew COURT ADMINISTRATOR’S OFFICE Minor Judiciary Administrator 15th JUDICIAL DISTRICT Jennifer S. Neff CHESTER COUNTY JUSTICE CENTER Civil Court Administrator 201 WEST MARKET STREET Jordan C. Ludwick, Esq. SUITE 4100 Criminal Court Administrator P.O. BOX 2746 Suzie Marker PATRICIA L. NORWOOD-FODEN WEST CHESTER, PA 19380-0989 Family Court Administrator Court Administrator 610-344-6170 FAX: 610-344-6127 Kimberly Bainbridge ELIZABETH A. DUMOND Orphans’ Court Administrator Chief Deputy Court Administrator September 23, 2021 The trial list for the two-week criminal session commencing Monday, October 18, 2021 for The Honorable Jeffrey R. Sommer, is now available in the Court Administrator’s Office. THE CALL OF THE LIST SHALL BE HELD ON WEDNESDAY, OCTOBER 13, 2021, AT 8:45 A.M., IN COURTROOM NO. 8, before THE HONORABLE JEFFREY R. SOMMER. All counsel and unrepresented defendants are required to appear at the call of the list. Attention Defendant: If you have an attorney, contact him/her immediately. If you do not have an attorney, it would be to your benefit to contact one immediately. If you cannot afford a private attorney, you may apply for representation by the Public Defender’s Office (610-344-6940). Failure to appear on your trial date shall constitute a violation of your bail. If you are on bail for this case, you must call the Bail Agency (610-344-6886) upon receipt of this notice. Attention Counsel: Judge Sommer will hear guilty pleas, in Courtroom No. 8, after the call of the list on October 13th, and at 9:00 a.m.
    [Show full text]
  • State Senator Ann Gillespie State Senator District 27
    State Senator District 27 State Senator Ann Gillespie Tax Year 2018 Possible Missing Senior Homestead Exemption(s): 662 Possible Missing Senior Freeze Exemption(s): 765 As of: 9/10/2021 Taxpayer Name Property Address Current Mailing Address PIN Tax Year Total Tax Due Township Municipality City Ward Commissioner State Rep Tax Bill Returned? Possible Missing Senior Homestead Possible Missing Senior Freeze State Sen JAMES L MICHAEL 841 S GROVE AVE, BARRINGTON, IL 60010 841 S GROVE AV, BARRINGTON, IL 60010 01-01-307-010-0000 2018 $0.00 Barrington Barrington 15 54 Yes Yes 27 S ELENE ZIEHM 745 S SUMMIT ST, BARRINGTON, IL 60010 745 S SUMMIT ST, BARRINGTON, IL 60010 01-01-400-040-0000 2018 $0.00 Barrington Barrington 15 54 Yes 27 TIMOTHY R WHEELER 752 HIGHLAND AVE, BARRINGTON, IL 60010 752 HIGHLAND AVE, BARRINGTON, IL 60010 01-01-402-031-0000 2018 $0.00 Barrington Barrington 15 54 Yes 27 LINDA PARQUETTE 1016 GEORGE ST, BARRINGTON, IL 60010 1016 S GEORGE ST, BARRINGTON, IL 60010 01-01-410-011-0000 2018 $0.00 Barrington Barrington 15 54 Yes 27 TYLER J WESLEY 1202 PRAIRIE AVE, BARRINGTON, IL 60010 1202 PRAIRIE AVE, BARRINGTON, IL 60010 01-12-204-006-0000 2018 $0.00 Barrington Barrington 15 54 Yes 27 THOMAS GENOVESE 411 PARK BARRINGTON DR, BARRINGTON, IL 60010 411 PARK BARRINGTON DR, BARRINGTON, IL 60010 01-12-208-013-0000 2018 $0.00 Barrington Barrington 15 54 Yes 27 ROB & KATHY NIELSEN 461 PARK BARRINGTON DR, BARRINGTON, IL 60010 461 PARK BARRINGTON DR, BARRINGTON, IL 60010 01-12-209-019-0000 2018 $0.00 Barrington Barrington 15 54 Yes 27 JANET
    [Show full text]
  • Facility ID Facility Name Address City Large Commercial-Industrial & Tax
    Large Commercial-Industrial & Tax-Exempt Users as of 4/6/2021 Facility ID Facility Name Address City User Charge Classification 20600 208 South LaSalle 208 S LaSalle St Chicago LCIU 27686 300 West Adams Management, LLC 300 W Adams St Chicago LCIU 27533 5 Rabbit Brewery 6398 W 74th St Bedford Park LCIU 27981 6901 Bedford LLC 6901 W 65th St Bedford Park LCIU 20451 875 North Michigan Avenue 875 N Michigan Ave Chicago LCIU 27902 9W Halo OpCo L.P. 920 S Campbell Ave Chicago LCIU 11375 A T A Finishing Corp 8225 Kimball Ave Skokie LCIU 26440 A-Wire Corporation 4825 W Grand Ave Chicago LCIU 27610 A. Finkl and Sons Company dba Finkl Steel 1355 E 93rd St Chicago LCIU 10002 Aallied Die Casting Co. of Illinois 3021 Cullerton Dr Franklin Park LCIU 26752 Abba Father Christian Center 2056 N Tripp Ave Chicago TXE 26197 Abbott Molecular, Inc. 1300 E Touhy Ave Des Plaines LCIU 24781 Able Electropolishing Company 2001 S Kilbourn Ave Chicago LCIU 26702 Abounding in Christ Love Ministries, Inc. 14620 Lincoln Ave Dolton TXE 16259 Abounding Life COGIC 14615 Mozart Ave Posen TXE 25290 Above & Beyond Black Oxide Inc 1027-29 N 27th Ave Melrose Park LCIU 18063 Abundant Life MB Church 2306 W 69th St Chicago TXE 27742 AC Hotel Chicago Downtown 630 N Rush St Chicago LCIU 16270 Acacia Park Evangelical Lutheran Church 4307 N Oriole Ave Norridge TXE 13583 Accent Metal Finishing Co. 9331 W Byron St Schiller Park LCIU 26289 Access Living 115 W Chicago Ave Chicago TXE 11340 Accurate Anodizing 3130 S Austin Blvd Cicero LCIU 11166 Ace Anodizing & Impregnating Inc 4161 Butterfield
    [Show full text]
  • 2007–08 Annual Report
    THE POWER OF TRUTHAnnual Report 2007–08 THE TRUTH. iT HappenEd THEREFORE iT can HaPPEn again and iT can HaPPEn EvERyWHERE —Primo Levi, Holocaust survivor and author Contents 4 From Our Leadership 6 A Year of Outreach 8 Our Relentless Search for Truth 20 The Power of Truth to Confront Hate 28 The Power of Truth to Prevent Genocide 36 The Power of Truth to Change the World 46 Days of Remembrance Events 48 Our Partners 52 Our Donors 68 Financial Statement 69 United States Holocaust Memorial Council 2 annual report 2007–08 Our Relentless Search for Truth 3 DeaR FRiEndS, That the Holocaust can happen again is a fundamental truth The Holocaust teaches one of the greatest lessons about individual of the Museum. We are teaching people the world over another responsibility—the choice we each have to act or not to act and the truth: It didn’t have to happen, and that they have the power to prevent consequences of that decision. With your support, we continue building the next one. what is the world’s most comprehensive collection of evidence of this “crime of all crimes” against humanity. And what this evidence makes Three years ago, one of our Belfer Teachers so motivated his eighth painfully clear is that the Holocaust happened because ordinary people graders at a Catholic school in Louisville, Kentucky, by what they learned became accomplices to mass murder. Whether motivated by indifference, studying the Holocaust that they began to wonder why every student career advancement, peer approval, or antisemitism, in the long span did not have the same opportunity.
    [Show full text]
  • A Guide to Names and Naming Practices
    March 2006 AA GGUUIIDDEE TTOO NN AAMMEESS AANNDD NNAAMMIINNGG PPRRAACCTTIICCEESS This guide has been produced by the United Kingdom to aid with difficulties that are commonly encountered with names from around the globe. Interpol believes that member countries may find this guide useful when dealing with names from unfamiliar countries or regions. Interpol is keen to provide feedback to the authors and at the same time develop this guidance further for Interpol member countries to work towards standardisation for translation, data transmission and data entry. The General Secretariat encourages all member countries to take advantage of this document and provide feedback and, if necessary, updates or corrections in order to have the most up to date and accurate document possible. A GUIDE TO NAMES AND NAMING PRACTICES 1. Names are a valuable source of information. They can indicate gender, marital status, birthplace, nationality, ethnicity, religion, and position within a family or even within a society. However, naming practices vary enormously across the globe. The aim of this guide is to identify the knowledge that can be gained from names about their holders and to help overcome difficulties that are commonly encountered with names of foreign origin. 2. The sections of the guide are governed by nationality and/or ethnicity, depending on the influencing factor upon the naming practice, such as religion, language or geography. Inevitably, this guide is not exhaustive and any feedback or suggestions for additional sections will be welcomed. How to use this guide 4. Each section offers structured guidance on the following: a. typical components of a name: e.g.
    [Show full text]
  • Family and Support Services Delegate Agencies
    Family and Support Services Delegate Agencies Agency Program Model Henry Booth House Head Start Alliance Rehab, Inc. Comprehensive Fitness Henry Booth House Head Start Family Rescue Inc Legal Advocacy and Case Management Greater Chicago Food Depository Emergency Food Assistance for At-Risk Population Board of Education City of Chicago Head Start The Salvation Army Interim Housing Y M C A of Metropolitan Chicago Head Start Heartland Human Care Services Inc Transitional Jobs Program El Valor Corporation Early Head Start – RTL Board of Education City of Chicago Head Start Lawyers' Committee For Better Housing Homelessness Prevention Board of Education City of Chicago Head Start Kendall College Head Start Support Services El Hogar del Nino Child Care Only Dominican University Early Childhood/Family Initiative Greater Chicago Food Depository Emergency Food Assistance for At-Risk Population Easter Seals Metropolitan Chicago, Inc. Head Start Y M C A of Metropolitan Chicago Head Start Page 1 of 552 09/27/2021 Family and Support Services Delegate Agencies Division Site Name Address Children Services Hope for Youth 5900 W IOWA ST Senior Services Alliance Rehab, Inc. 28100 TORCH PWY Children Services Jelly Bean 71st 358-370 E 71ST ST Domestic Violence Family Rescue Inc Legal Advocacy 555 W HARRISON Human Services Delivery Israel Methodist Cmty Church 7606 S COTTAGE GROVE AVE Children Services Dewey 5415 S UNION AVE Homeless Services Evangeline Booth Lodge 800 W LAWRENCE Children Services Jeanne Kenney Day Care Center 7600 S PARNELL AVE Workforce Services Heartland Human Care Services, Inc. 400 W 76TH ST Children Services Rey Gonzalez Children and Family Center 3050 E 92ND ST Children Services Pickard Josiah L.
    [Show full text]
  • Hearst Corporation Los Angeles Examiner Photographs, Negatives and Clippings--Portrait Files (G-M) 7000.1B
    http://oac.cdlib.org/findaid/ark:/13030/c80v8b5j No online items Hearst Corporation Los Angeles Examiner photographs, negatives and clippings--portrait files (G-M) 7000.1b Finding aid prepared by Rebecca Hirsch. Data entry done by Nick Hazelton, Rachel Jordan, Siria Meza, Megan Sallabedra, Sarah Schreiber, Brian Whitaker and Vivian Yan The processing of this collection and the creation of this finding aid was funded by the generous support of the Council on Library and Information Resources. USC Libraries Special Collections Doheny Memorial Library 206 3550 Trousdale Parkway Los Angeles, California, 90089-0189 213-740-5900 [email protected] 2012 April 7000.1b 1 Title: Hearst Corporation Los Angeles Examiner photographs, negatives and clippings--portrait files (G-M) Collection number: 7000.1b Contributing Institution: USC Libraries Special Collections Language of Material: English Physical Description: 833.75 linear ft.1997 boxes Date (bulk): Bulk, 1930-1959 Date (inclusive): 1903-1961 Abstract: This finding aid is for letters G-M of portrait files of the Los Angeles Examiner photograph morgue. The finding aid for letters A-F is available at http://www.usc.edu/libraries/finding_aids/records/finding_aid.php?fa=7000.1a . The finding aid for letters N-Z is available at http://www.usc.edu/libraries/finding_aids/records/finding_aid.php?fa=7000.1c . creator: Hearst Corporation. Arrangement The photographic morgue of the Hearst newspaper the Los Angeles Examiner consists of the photographic print and negative files maintained by the newspaper from its inception in 1903 until its closing in 1962. It contains approximately 1.4 million prints and negatives. The collection is divided into multiple parts: 7000.1--Portrait files; 7000.2--Subject files; 7000.3--Oversize prints; 7000.4--Negatives.
    [Show full text]
  • Back Matter (PDF)
    OFFICERS AND COMMITTEES OF THE AMERICAN ORNITHOLOGISTS' UNION, 1943 Expiration of term PETERS,JAMES L., President............................................... 1943 WILLETT,LLOYD, HOYESGEORGE } Vice-Presidents ...................................... 1943 HIcgS, LAWRENCEE.,. Secretary............................................ 1943 STREET,J. FLETCHER,Treasurer ............................................ 1943 ADDITIONAL MEMBERS OF THE COUNCIL GABRIELSON, I• N ........................................................ 1943 SAVAGE,JAMES ............................................................ 1943 VAN TYNE, JOSSeLYN...................................................... 1943 LINCOLN, F. C ............................................................ 1944 BOULTON, RUDYem• ........................................................ 1944 SUTTON, GEORGe M ........................................................ 1944 AtS•EN, ARTX•UR A ......................................................... 1945 •)ESCX•AUeNSEE,RO•)OLI'HE M ............................................... 1945 MURVX•Y, RObeRT C ....................................................... 1945 VANROSSEM, ADmAAN J., Cooper Ornithological Club Representative......... 1942 BROO•S,MAUmCE G., Wilson Ornithological Club Representative............ 1942 BATC}leL•)ER, CHAr&ES F., 1905--08 ............................... BENT, ARTX•UR C., 1935-37 ...................................... C}tAmN,JAMES P., 1940-42..................................... CX•aVMAN,F•Ng M., 1911-14.................................
    [Show full text]
  • Chiroptical Properties and Conformation of Four Lasiocepsin-Related Antimicrobial Peptides: Structural Role of Disulfide Bridges
    S S symmetry Article Chiroptical Properties and Conformation of Four Lasiocepsin-Related Antimicrobial Peptides: Structural Role of Disulfide Bridges Markéta Pazderková 1,2,* ,Václav Profant 1, Petr Malo ˇn 1, Rina K. Dukor 3,Václav Ceˇrovskˇ ý 2 , Vladimír Baumruk 1 and Lucie Bednárová 2,* 1 Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague 2, Czech Republic; [email protected]ff.cuni.cz (V.P.); [email protected] (P.M.); [email protected]ff.cuni.cz (V.B.) 2 Institute of Organic Chemistry and Biochemistry AS CR v.v.i., Fleming Square 2, 166 10 Prague 6, Czech Republic; [email protected] 3 BioTools, Inc., 17546 Bee Line Highway, Jupiter, FL 33548, USA; [email protected] * Correspondence: [email protected]ff.cuni.cz (M.P.); [email protected] (L.B.); Tel.: +420-220183593 (L.B.) Received: 17 April 2020; Accepted: 7 May 2020; Published: 13 May 2020 Abstract: We report an investigation of the role of disulfide bridges in the 27-residue antimicrobial peptide lasiocepsin (I) containing two disulfide groups (Cys8–Cys25, Cys17–Cys27) and three its analogs lacking one (II, III) or both (IV) native disulfides. Selective alternate incorporation of one or both disulfide bridges influences symmetry, conformation and biological properties of these peptides as demonstrated in their chiroptical (particularly Raman) properties. The effect of modifying the disulfide bridge pattern on the peptide secondary structure is investigated in water and in the presence of 2,2,2-trifluoroethanol and sodium dodecyl sulphate. A combination of experimental electronic and vibrational chiroptical data shows that both disulfide groups are necessary for stabilizing lasiocepsin secondary structure.
    [Show full text]
  • Dear Fyziklani 2019 Participants!
    guidebook Dear Fyziklani 2019 participants! I’m glad, that after long and demanding preparations, that started almost right after the end of last year’s event, comes up a day when we will meet again. It is going to be already 13th year of FYKOS Fyziklani. I believe that you were looking forward to Fyziklani at least as much as us, organizers. It is said, that number 13 is an unlucky number. But for us, it is mainly a prime number and we are not afraid of it. We had a long discussion on possible improvement after last year’s competition and how to make it even more interesting and entertaining. We came up with the result – Fyziklani 2019 will not be just one of many competitions throughout a year, but a physics festival. We offer you competition with a rich accompanying program within a few days. The competition itself will be the culmination of this festival. We have prepared many changes and improvements. One of the most visible is our new graphic along with the logo of a paper plane. We had a lot of designs and finally, we opted out for a paper covered with equations flying across the whole hall, that describes the nature of Fyziklani the best. We complemented our visual style with the silhouette of Prague, which is the city, where students from every place on earth meet every year to compete in physics. Another novelty is that all the teams will compete in one hall again after years. It was not that easy to find a space, where we would all fit in, but these are problems, that we like to resolve.
    [Show full text]