2002 biophysical discussions posters

Posters appear in alphabetical order, and are presented each day from 4:30 - 6:30 PM

Modeling the Three-Dimensional Structure of the Yeast Nuclear Pore Complex
Frank Alber, Brian Chait, Julia Kipper, Mike Rout, Adisetyantari Suprapto, Whenzu Zhang, and Andrej Sali; The Pels Family Center for Biochemistry and Structural Biology, The Rockefeller University, New York, NY 10021 

Myosin Head Disposition Modeled from Low-Angle X-Ray Diffraction of Relaxed Lethocerus Insect Flight Muscle Hind 
A. AL-Khayat1, Liam Hudson1, Michael K Reedy2, Bruce Baumann3, Thomas C Irving4 & John M. Squire1; 1Biological Structure and Function Section, Biomedical Sciences Division, Imperial College of Science, Technology & Medicine, London SW7 2AZ, UK, 2Department of Cell Biology, Duke University, Durham, NC 27710, USA, 3Florida State University, Tallahassee, FL, USA, 4Illinois Institute of Technology, Chicago, IL 60616, USA 

Biochemical probes of microtubule structure: the fast kinetics of Taxol binding
José M. Andreu, I. Barasoain and J.Fernando Díaz . CIB, CSIC, Madrid, Spain 

Advanced Instrumentation for High Resolution Electron Cryo-Microscopy
B.L. Armbruster1, K. Fukushima2, M. Kawasaki1, M. Kersker1 and R. O'Donnell1, 1JEOL USA, Inc., Peabody, MA 01960,
2JEOL Ltd., Akishima, Japan 

Electron Tomography of Hair Cell Stereocilia - Toward a 3D Structure of the Hearing Machinery
Manfred  Auer1,2, Bram Koster3, Ulrike Ziese3, Da Neng Wang1 & A. James Hudspeth2, 1Skirball Institute, NYU Medical 
Center, 2 Laboratory of Sensory Neuroscience, The Rockefeller University,  3 University of Utrecht 

Computational Prediction of Structure-Based Dynamics For Biomolecular Complexes and Assemblies
Ivet Bahar; Center for Computational Biology & Bioinformatics, and Department of Molecular Genetics & Biochemistry, School of
Medicine, University of Pittsburgh, PA 15213, USA 

Structural and Functional Mining of Intermediate Resolution Structures of Biological Machines
Matthew Baker, Wen Jiang and Wah Chiu; Department of Biochemistry and Molecular Biology, Baylor College of Medicine,
Houston, Texas   77030 

Towards Structure Determination of Membrane Proteins in 2-Dimensional Crystals Using Next-Generation Hard X-Ray Sources
Michael Becker; Biology Dept., Brookhaven National Laboratory, P.O. Box 5000, Upton, NY   11973 

SenSitus–Force Feedback for Fitting EM and X-tal Data
Stefan Birmanns1 , Willy Wriggers2; 1Central Institute for Applied Mathematics, Research Centre Juelich, Germany, 
s.birmanns@fz-juelich.de;  2Department of Molecular Biology, The Scripps Research Institute, wriggers@scripps.edu

Conformational Changes in the Nucleotide Binding Domain of the ABC Transporter RbsA Due to ATP Hydrolysis
Matthew C. Clifton ‡, Huide Zhang §, Shelly Armstrong ‡, Mark A. Hermodson §, Cynthia Stauffacher ‡; From the
‡Department of Biological Sciences and the §Department of Biochemistry, Purdue University, West Lafayette, Indiana 47906 

Towards Atomic Resolution Structures of Type IV Pili
L. Craig1, A. S. Arvai1, R. K. Taylor2, M. Pique1, M. Singh3, D.S. Shin1, B. D. Adair4, S. J. Lloyd1, K. T. Forest5, M.
Yeager4 and J. A. Tainer1; 1The Scripps Research Institute, Dept. of Molecular Biology and 4Dept. of Cell Biology, La Jolla, CA;
2Dartmouth Medical School, Dept. of Microbiology, Hanover, NH; 3Albert Einstein College of Medicine, Bronx, NY; 5University of Wisconsin, Department of Bacteriology, Madison, WI 

Cyanobacterial Photosystem II and Its Antennae System
Paula C. A. da Fonseca, Edward P. Morris  & James Barber; Biochemistry Department, Imperial College, London SW7 2AY, U.K. 

Cryo-Eecton Microscopy of Vitreous Sections: Cell Ultrastructure Revisited
Jacques Dubochet, Laboratory for Ultrastructural Anlaysis, University of Lausanne, CH-1015 Lausanne, Switzerland and
Alasdaidre McDowall, Centre for Microscopy and Microanalysis, University of Queensland, St. Lucia, QLD 4072 Australia. 

Structure of a Bacterial DNA-Protein Complex that Mediates Nuclear Import in Plants
Michael Elbaum1, Asmahan Abu-Arish1, Sharon Grayer Wolf2 1Dept of Materials and Interaces and 2Electron Microscopy Center, Weizmann Institute of Science, Rehovot, Israel 

Comparative Protein Structure Models for Molecular Modeling of the Yeast Ribosome
N. Eswar1, C.M.T. Spahn2, R. Beckmann3,4, P.A. Penczek5, G. Blobel3, J. Frank2,6, A. Sali1; 1Laboratory of Molecular
Biophysics, Pels Family Center for Biochemistry and Structural Biology, The Rockefeller University, New York, NY 10021;
2Wadsworth Center, Howard Hughes Medical Institute, Empire State Plaza, Albany, New York 12201; 3Laboratory of Cell
Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10021; 4Institut für Biochemie der
Charité, Humboldt Universtität zu Berlin, Monbijoustr. 2, 10117, Berlin, Germany.; 5University of Texas, Houston Medical
School, 6431 Fannin, Houston, Texas 77030; 6Department of Biomedical Science, State University of New York at Albany,
Albany, New York 12222. 

Crystallographic Studies of DEDD Family Exoribonucleases
Tristan J. Fiedler & Arun Malhotra; Department of Biochemistry & Molecular Biology, University of Miami School of Medicine,
Miami, FL 33101, USA 

Structure of a Stathmin-like Domain: Tubulin Complex
Benoît Giganta, Patrick A. Curmib, Carole Martin-Barbeya, Raimond Ravellic, André Sobelb and Marcel Knossowa; aLEBS, CNRS Gif sur Yvette, France bINSERM U 440  Paris, France cEMBL Grenoble, France 

Electron Tomography of Whole Cells and Organelles
Grant Jensen1, Dieter Typke1, Julia Kuerner2, Tina Weatherby3, and Kenneth Downing1; 1Lawrence Berkeley National Lab,
2Max Planck Institute for Biochemistry; 3University of Hawaii Manoa 

Three-dimensional structure of IP3 receptor channel at 24 Å resolution
Qiu-Xing Jiang, Edwin C. Thrower, David W Chester, Barbara E. Ehrlich and Fred J. Sigworth, Departments of Cellular and
Molecular Physiology and Pharmacology, Yale University, 333 Cedar Street, New Haven, CT 06520 

Towards High Throughput and High Resolution 3-D Single Particle Reconstruction of Macromolecular Complexes
Wen Jiang and Wah Chiu; Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of
Medicine, Houston, TX 77030 

Contrast Transfer Function - Estimation of Parameters
Laurent Joyeux, Pawel A. Penczek; Department of Biochemistry and Molecular Biology; University of Texas–Houston Medical
School, 6431 Fannin, Houston, TX 77030, USA. 

Purification and structural analysis of native intermediate-containing spliceosomes
Melissa S. Jurica, Melissa J. Moore, Nikolaus Grigorieff; Howard Hughes Medical Institute/ Biochemistry Department, Brandeis
University, Waltham, MA 

Examining the Alpha-actinin-b1-Integrin Structrual Relationship Using Cryo-EM
Debbie Kelly, Dianne Taylor, Kenneth A. Taylor; Institute of Molecular Biophysics, Florida State University, Tallahassee, FL
32306 

Elastic Conformational Transitions
M. K. Kim1, G. S. Chirikjian1, Robert L. Jernigan2; 1Department of Mechanical Engineering, The Johns Hopkins University,
Baltimore, MD 21218; 2Laurence H. Baker Center for Bioinformatics and Biological Statistics, Iowa State University, Ames, IA
50011-3020 

Optimizing the Fit of Known Structures into Electron Microscope Images
Andrei Korostolev, Lifan Chen, Jinghua Tan, Ken Taylor, Felcy Fabiola, Eric Blanc & Michael S. Chapman;  Department of Chemistry & Biochemistry, Department of Biological Science and Institute of Molecular Biophysics, Florida State University, Tallahassee, FL 32306-4380 

Fast Rotational Matching
Julio A. Kovacs, Pablo Chacon, Willy Wriggers; The Scripps Research Institute, Dept. of Molecular Biology, TPC-6, 10550 N.
Torrey Pines Rd., La Jolla, CA 92037, jkovacs@scripps.edu, pchacon@scripps.edu, wriggers@scripps.edu

Refined Model of the 1OS Conformation of Smooth Muscle Myosin By Cryoem 3-D Image Reconstruction
Jun Liu, Dianne W. Taylor, Thomas Wendt and Kenneth A. Taylor; Institute of Molecular Biophysics, Florida State University,
Tallahassee, FL 32310 

How we can understand the mechanism expressed by the actin filament, being based on the atomic structure of the actin filament
complex
Yuichiro Maeda, Soichi Takeda, Atsuko Yamashita & Kayo Maeda; RIKEN Harima Institute at SPring-8, Kouto, Mikazuki, Hyogo,
Japan 679-5148; ymaeda@spring8.or.jp

Atomic Force Microscopy in the Study of Virus Particles, Virus Crystals, and Viral Infected Cells
A. McPherson, Yu. G. Kuznetsov, A. J. Malkin, and M. Plomp; University of California, Dept. of Molecular Biology &
Biochemistry, 560 SH, Irvine, 92697 

THREE-DIMENSIONAL STRUCTURES OF RNA POLyMERASE HOLOENZYME AND THE RNA POLYMERASE-PROMOTER
OPEN COMPLEX: SYSTEMATIC FLUORESCENCE RESONANCE ENERGY TRANSFER AND DISTANCE-CONSTRAINED
DOCKING
Vladimir Mekler, Ekaterine Kortkhonjia, Jayanta Mukhopadhyay, Achillefs N. Kapanidis, Andrei Revyakin, Yon W. Ebright,
Jennifer L. Knight, Ronald M. Levy, and Richard H. Ebright; Howard Hughes Medical Institute, Waksman Institute, and
Department of Chemistry and Chemical Biology, Rutgers University, Piscataway NJ 08854 

The polar T1 interface is linked to conformational changes that open the voltage-gated potassium channel
Daniel L. Minor, Jr. Department of Biochemistry and Biophysics, Cardiovascular Research Institute, University of California, San
Francisco, CA 94131-0130 

Molecular architecture of the protein import channel of the mitochondrial outer membrane and its larger multi-channel structures
Kirstin Model1, Thorsten Prinz2, Teresa Ruiz1, Michael Radermacher1, Chris Meisinger2, Nikolaus Pfanner2 & Werner
Kühlbrandt1, 1Max-Planck Institute of Biophysics, Department of Structural  Biology, Heinrich-Hoffmann-Str. 7, 60528 Frankfurt,
Germany; 2Institute of Biochemistry and Molecular Biology, University of Freiburg, Hermann-Herder-Str. 7, 79104 Freiburg,
Germany 

Multi-resolution contour-based fitting of macromolecular structures
Pablo Chacon Montes, Dept. of Molecular Biology, TPC-6, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037 

3D structure of the CP43' photosystem-I supercomplex of cyanobacteria revealed by electron cryo-microscopy and single particle
analysis
Edward Morris, Thomas Bibby, Jonathan Nield and James Barber; Department of Biological Sciences Imperial College, London 

Structural Basis of Transcription Initiation
K.S. Murakami, S. Masuda, E.A. Campbell, O. Muzzin, S.A. Darst, The Rockefeller University 

Consistency of 3D reconstructions in single particle analysis
Pawel A. Penczek; Department of Biochemistry and Molecular Biology; University of Texas–Houston Medical School, 6431
Fannin, Houston, TX 77030, USA. 

Interaction of Release Factor RF2 with the Release Complex Visualized by Cryo-Electron Microscopy
Urmila B. Rawat1, A. Zavialov4, J. Sengupta2, M. Valle1, R.A. Grassucci1, J. Linde1, B. Vestergaard5, M. Kjielgaard5, M.
Ehrenberg4, and J. Frank1-3; 1Howard Hughes Medical Institute, 2Wadsworth Center and 3Department of Biomedical Sciences,
State University of New York at Albany, Empire State Plaza, Albany, New York 12201-0509, USA; 4Department of Cell and
Molecular Biology, BMC, Uppsala University, Box 596, 5-75124 Uppsala, Sweden; 5Institute of Molecular and Structural
Biology, University of Aarhus, Denmark. 

Quick-freeze & freeze-substitution of insect flight muscle (IFM) for electron tomography
M. K. Reedy1, M. C. Reedy1, C. Lucaveche1,  Y.E. Goldman2, C. Franzini-Armstrong2 & K.A. Taylor3; 1Cell Biology, Duke
Univ, Durham, NC; 2Penn. Muscle Inst., Univ Penn, Philadelphia, PA; 3Inst. Molec. Biophys., Fla State Univ, Tallahassee, FL 

A method for creating a high-resolution projection difference map
Gang Ren, Alok K. Mitra; Department of Cell Biology, The Scripps Research Institute, MB21, La Jolla, CA 92037 

Crystallographic Analysis of a 3.6 Million Dalton Respiratory Protein
W.E. Royer & K. Strand, University of Massachusetts Medical School, Worcester, MA 

RECONSTRUCTING HELICAL OBJECTS USING SINGLE PARTICLE IMAGE PROCESSING, MULTIVARIATE STATISTICAL
ANALYSIS, AND A TOMOGRAPHIC RECONSTRUCTION ALGORITHM 
Rasmus R. Schroeder, Isabel Angert, Joachim Frank*, Kenneth C. Holmes; Max-Planck Institute for medical research, Biophysics
Dept., Heidelberg, Germany; *Howard Hughes Institute, Wadsworth Center, Albany, USA 

The quaternary structure of nitrilases from 2nm negative stain maps and homology modelling
B.T. Sewell and MN Berman; University of Cape Town, South Africa 

The structure of the eukaryotic 80S ribosome from S. cerevisiae
Christian M.T. Spahn1, 2, Roland Beckmann4, 5, Narayanan Eswar7, Pawel A. Penczek6, Andrej Sali7, Günter Blobel4 and
Joachim Frank1, 2, 3; 1HHMI, Health Research Inc. at the; 2 Wadsworth Center, Empire State Plaza, Albany, NY; 3Department
of Biomedical Science, SUNY at Albany; 4Laboratory of Cell Biology, HHMI, The Rockefeller University, New York, NY;5Institut
für Biochemie der Charité, Humboldt Universität zu Berlin, Germany; 6 University of Texas - Houston Medical School, TX;
7Laboratory of Molecular Biophysics, The Rockefeller University, New York, NY 

EM analysis of large, multi-subunit transcriptional regulatory complexes reveals distinct, activator-dependent conformations
Dylan J. Taatjes1, Anders M. Näär2, Eva Nogales1, and Robert Tjian1; 1Howard Hughes Medical Institute, Department of
Molecular and Cell Biology University of California, Berkeley.; 2Department of Cell Biology, Harvard Medical School
Massachusetts General Hospital Cancer Center. 

Image reconstruction from cryo-electron micrographs of in vitro assembled tubes of HIV-1 p24 capsid and Capsid-Nucleocapsid
protein reveals potential subunit interactions involved in assembly
Dennis R. Thomas*, Jason Lanman*, Thomas Wilk#, Stephen Fuller# and Peter E. Prevelige*. *Dept. of Microbiology, University
of Alabama Birmingham, #Division of Structural Biology, Welcome Trust Center for Human Genetics,Unversity of Oxford,
Oxford, England 

3D Motifs:  Structure & Function Prediction
Jerry Tsai, Texas A&M University, Department of Biochemistry & Biophysics 

AN ALL-ATOM HOMOLOGY MODEL OF THE E. COLI 30S RIBOSOMAL SUBUNIT
C.-S. Tung, Los Alamos National Laboratory, K. Sanbonmatsu, Los Alamos National Laboratory, S. Joseph, UCSD 

Interaction of EF-G with post-termination ribosomes studied by cryo-electron microscopy
M. Valle1, A. Zavialov2, J. Sengupta3, U. Rawat1, M. Ehrenberg2 & J. Frank1; 1Howard Hughes Medical Institute, Heath
Research, Inc., 3Wadsworth Center, Empire State Plaza, Albany, New York 12201-0509, USA; 2Department of Cell and
Molecular Biology. Biomedical Center, S-75124 Uppsala, Sweden 

Analysis of heterogeneous complexes by combined statistical analysis and reference matching
H. White1, Shaoxia Chen1,2, Brent Gowen3, Johannes Buchner4 , H. Saibil1, E. Orlova1; 1School of Crystallography, Birkbeck
College, London, UK, 2Dept of Bioscience, Imperial College, London, UK, 3Wellcome Trust Centre for Human Genetics,
Oxford, UK, 4Institut für Organische Chemie und Biochemie, Technische Universität, München, Garching, Germany 

Stress-Induced Protein/DNA Crystalline Arrays observed in-situ by Electron Tomography
 Sharon Grayer Wolf*, Daphna Frenkiel-Krispin#, Eyal Shimoni* and Abraham Minsky#; *Electron Microscopy Center, #Organic
Chemistry Department, Weizmann Institute of Science, Rehovot 76100 ISRAEL 

A method to study the structure of functional channels and transporters in their native environment
G.A. Zampighi1-2, S. Lanzavecchia3, M. Kreman1, L. Zampighi2, E. Turk2 and E. Wright2.  Departments of Neurobiology1 and
Physiology2, UCLA School of Medicine. Dipartimento di Chimica Strutturale3, Universita di Milano 

Structure of Dengue Virus: Implications for Flavivirus Organization, Maturation, and Fusion
Wei Zhang*, Richard J. Kuhn*, Michael G. Rossmann*, Sergei V. Pletnev*, Jeroen Corver#, Edith Lenches#, Christopher T.
Jones*, Suchetana Mukhopadhyay*, Paul R. Chipman*, Ellen G. Strauss#, Timothy S. Baker*, & James H. Strauss#;
*Department of Biological Sciences, Purdue University,   West Lafayette, IN 47907-1392, USA. # Division of Biology 156-29,
California Institute of Technology, Pasadena, CA 91125, USA. 

MIRS: a High-Resolution 3D Reconstruction Package Integrated with a Relational Image Database
Z. Hong Zhou, Eugene Y. Ke, Yuyao Liang; Department of Pathology and Laboratory Medicine, University of Texas - Houston
Medical School, Houston, TX 77030, USA 

Three-Dimensional Organization of the Human Platelet Integrin aIIbb3
Brian D. Adair and Mark Yeager, The Scripps Research Institute 

Crystal Structure of the Upper Domain of VP5, the Major Nucleocapsid Protein of Herpes Simplex Virus-1
Brian R. Bowman, Baylor College of Medicine, Texas 

Arp2/3 complex promotes actin filament assembly at the leading edge of motile cells: insights at atomic resolution
Thomas D. Pollard. Molecular, Cellular and Developmental Biology, Yale University, New Haven CT. 

High Resolution Imaging of Single Particles in a 300 kV Liquid Helium Electron Cryomicroscope
Zongli Li and Wah Chiu; National Center for Macromolecular Imaging, Baylor College of Medicine, One Baylor Plaza, Houston,
TX 77030, USA 


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