RI. BIO-MOLECULES

THURSDAY, JUNE 20, 2002 - 1:30PM

Room: 1015 McPHERSON LAB

Chair: TIMOTHY ZWIER, Purdue University, West Lafayette, Indiana

RI01 INVITED TALK 30min1:30

TAKING A TRIP ON THE ENERGY LANDSCAPE OF UNSOLVATED PEPTIDES: WHAT REALLY CONTROLS HELIX FORMATION?.

MARTIN F. JARROLD, BRIAN S. KINNEAR, MOTOYA KOHTANI, DAVID T. KALETA, MATTHEW R. HARTINGS AND GARY BREAUX, Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208.

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RI02			15min2:05

ENERGETICS OF THE GAS PHASE MONOHYDRATES OF TRANS-FORMANILIDE : A MICROSCOPIC APPROACH TO THE HYDRATION SITES OF THE PEPTIDE BOND.

I. DIMICOLI, M. MONS, F. PIUZZI, Laboratoire Francis Perrin, URA CEA-CNRS 2453, Centre d'Etudes de Saclay, Bat 522, 91191 Gif-sur-Yvette Cedex, France; AND E. G. ROBERTSON, J. P. SIMONS, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QZ, United Kingdom.

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RI03			15min2:22

TAUTOMERISM OF THE DNA BASE GUANINE AND ITS METHYLATED DERIVATIVES AS STUDIED BY GAS-PHASE IR AND UV SPECTROSCOPY.

I. DIMICOLI, M. ELHANINE, M. MONS, F. PIUZZI, Laboratoire Francis Perrin, URA CEA-CNRS 2453, Centre d'Etudes de Saclay, Bat 522, 91191 Gif-sur-Yvette Cedex, France.

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RI04			15min2:39

ELECTRON CAPTURE DISSOCIATION OF PEPTIDES AND PROTEINS DOES NOT REQUIRE A HYDROGEN ATOM MECHANISM.

ROBERT R. HUDGINS, KRISTINA HAKANSSON, CHRIS L. HENDRICKSON, ALAN G. MARSHALL, FT-ICR, National High Magnetic Field Laboratory, Tallahassee, FL 32310.

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RI05			15min2:56

PROBING THE INTRINSIC ELECTRONIC EFFECTS OF THE [Fe₄S ₄]²⁺ CLUSTER ON THE REDOX POTENTIALS OF FERREDOXINS AND HIGH POTENTIAL Fe-S PROTEINS.

X. B. WANG, X. YANG, Department of Physics, Washington State University, 2710 University Drive, Richland, WA 99352; and W. R. Wiley Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352; S. Q. NIU, School of Molecular Biosciences, Washington State University, Pullman, WA 99164; L. S. WANG, Department of Physics, Washington State University, 2710 University Drive, Richland, WA 99352; and W. R. Wiley Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352.

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RI06			15min3:13

BETA-SHEET MODEL SYSTEMS IN THE GAS PHASE.

M. GERHARDS, C. UNTERBERG, A. GERLACH, H.-Heine Universität Düsseldorf, Institut für Physikalische Chemie I 40225 Düsseldorf, Germany.

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RI07			10min3:30

LASERS AND BIOMOLECULES:
THE DEVELOPMENT OF A NEW APPARATUS FOR STUDYING LASER SPECTROSCOPY OF BIOMOLECULES.

D. ROLLAND, C. LAM AND J. W. HEPBURN, Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver B.C., V6T 1Z1, Canada..

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INTERMISSION

RI08			15min4:00

IR SPECTRA AND STRUCTURES OF THE NUCLEOBASES IN THE SUPERFLUID HELIUM DROPLETS.

FENG DONG AND ROGER E. MILLER, University of North Carolina, Department of Chemistry, Chapel Hill, NC 27599.

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RI09			15min4:17

EXCITED-STATE DYNAMICS OF SINGLE DNA AND RNA BASES IN SOLUTION.

JEAN-MARC L. PECOURT, JORGE PEON, ROSALIE MALONE, BERN KOHLER, Department of Chemistry, The Ohio State University, Columbus, OH 43210; NINA ISMAIL, LLUÍS BLANCAFORT, MICHAEL A. ROBB, King's College London, Strand, London WC2R 2LS, UK; MASSIMO OLIVUCCI, Università degli Studi di Siena, Via Aldo Moro, I-53100 Siena, Italy.

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RI10			15min4:34

CONFORMATIONAL INVESTIGATION OF A SERIES OF ISOLATED MODEL DIPEPTIDES.

J. R. CABLE, J. C. SHARP AND N. A. MILLER, Department of Chemistry and Center for Photochemical Sciences, Bowling Green State University, Bowling Green, OH 43403.

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RI11			15min4:51

VALINAMIDE BACKBONE STRUCTURE AND SIDE CHAIN ORIENTATION FROM ROTATIONAL SPECTROSCOPY.

RICHARD J. LAVRICH, CHARLES R. TOROK AND MICHAEL J. TUBERGEN, Department of Chemistry, Kent State University, Kent, OH 44242.

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