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Program

Fourth International Workshop on X-ray Damage to Biological Crystalline Samples

Tuesday March 7th 2006
  Chair: Elspeth Garman (Oxford University)
9:30 - 9:40 Welcome ……………………… Masaki Yamamoto + Soichi Wakatsuki
9:40 - 9:50 Introduction …………………… Elspeth Garman
Session A: Relevant radiation chemistry.
9:50 - 10:20 Ian Carmichael, Notre Dame Radiation Laboratory, Indiana, U.S.A.(abstract.1)
Radiation chemistry of aqueous amino acids.
10:20 - 10:40 Andrea Schmidt, EMBL, Hamburg, Germany. (abstract.2)
How to avoid premature decay of your macromolecular crystal – a chemist's approach to combat physical reality.

10:40 - 11:00


Break

  Chair: Masaki Yamamoto (SPring-8)
Session B: Experiences from electron microscopy.
11:00 - 11:30 William Massover, New Jersey Medical School, U.S.A. (abstract.3)
Radiation damage to protein specimens from modern electron microscope imaging and diffraction: a Minireview.
11:30 - 12:00 Yoshinori Fujiyoshi, Kyoto University, Japan (abstract.4)
Cryo-protection and cryo-electron microscopy
12:00 - 12:30 Tetsuya Ishikawa, RIKEN SPring-8 Center, Japan. (abstract.5)
SPring-8 Compact SASE Source (SCSS)

12:30 - 13:40


Lunch

  Chair: Raimond Ravelli (EMBL, Grenoble)
Session C: Dose/dose rate effects and limits to sample life.
13:40 - 14:10 Gleb Bourenkov, MPI, Hamburg, Germany. (abstract.6)
Modeling the intensity variation with the X-ray dose.
14:10 - 14:40 Nobutaka Shimizu, SPring-8, Japan (abstract.7)
Radiation damage of protein crystals at various X-ray energies
14:40 - 15:10 Colin Nave, SRS, U.K. (abstract.8)
What is the optimum wavelength to study a protein crystal of a given size?
15:10 - 15:40 Armin Wagner, DLS, Didcot, U.K.
Systematic study on the effect of cryocooling of protein crystals to 10K.

15:40 - 16:00


Break

16:00 - 16:30 Elspeth Garman, University of Oxford, U.K. (abstract.10)
Experimental determination of the radiation dose limit for cryo-cooled protein crystals.

  Chair: Soichi Wakatsuki (KEK)
Session D: Imaging and Radiation Biology of the whole cell.
16:30 - 17:00 Sean McSweeney, ESRF, France. (abstract.11)
Exploring an ionising radiation resistant phenotype.
17:00 - 17:30 Yoshinori Nishino, RIKEN SPring-8 Center, Japan. (abstract.12)
High-spatial-resolution X-ray diffraction microscopy.
17:30 - 18:00 Chris Jacobsen, Stony Brook University, U.S.A. (abstract.13)
Radiation damage at different scales: from molecules to cells.

18:00 -19:40


Evening Banquet sponsored by Rigaku.

Wednesday March 8th 2006
  Chair: Sean McSweeney (ESRF)
Session E: Improved software for dealing with radiation damage.
8:30 - 9:00 Sasha Popov, EMBL, Hamburg, Germany. (abstract.14)
Handling the radiation damage in BEST.
9:00 - 9:30 Marc Schiltz, Lausanne University, Switzerland. (abstract.15)
Detection and modeling of site-specific radiation damage in SAD/MAD experiments.
9:30 - 10:00 Gerard Bricogne, Global Phasing, Cambridge, U.K. (abstract.16)
A statistical analysis of radiation damage effects suitable for a reformulation of scaling, merging, phasing and refinement.
10:00 - 10:30 Zbyszek Otwinowski, UT South Western Medical Center Dallas, U.S.A. (abstract.17)
Complex impact of radiation damage on phasing.

10:30 - 11:00


Break

  Chair: Gerd Rosenbaum (University of Georgia)
Session F: Specific sensitivity of particular crystals/heavy atoms to damage.
11:00 - 11:30 Raimond Ravelli, EMBL, Grenoble, France. (abstract.18)
Specific radiation damage versus global non-isomorphism.
11:30 - 12:00 James Holton, ALS, Berkeley, U.S.A. (abstract.19)
A fluorescence probe for site specific damage.
12:00 - 12:30 Udupi Ramagopal, AECOM, Bronx, U.S.A. (abstract.20)
Radiation-induced site-specific damage of mercury derivatives: phasing and implications.

12:30 - 14:00


Lunch

  Chair: Colin Nave (SRS)
Session G: The utilisation of radiation damage for biological studies.
14:00 - 14:30 Tsutomu Kouyama, Nagoya University, Japan. (abstract.21)
Effects of X-ray radiation damage on crystallographic analyses of bacteriorhodopsin’s photoreaction intermediates.
14:30 - 15:00 Kristina Djinovic-Carugo, University of Vienna, Austria. (abstract.22)
Reduction of metal centres by X-rays: case studies.
15:00 - 15:30 Martin Weik, IBS, Grenoble, France. (abstract.23)
Specific radiation damage to acidic residues in protein crystals.
15:30 - 16:00 Remco Kort, University of Amsterdam, Holland. (abstract.24)
Biological implications of radiation damage in the active site: cryocrystallographic studies on DNA photolyase and photoactive yellow protein.

16:00 - 16:30


Break

16:30 - 17:00 Ilme Schlichting, MPI, Heidelberg, Germany. (abstract.25)
X-ray crystallographic studies of redox-sensitive proteins.

  Chair: Colin Nave (SRS)
Session H: Beam heating; modelling and verification.
17:00 - 17:30 Eddie Snell, Hauptmann Woodward Institute, Buffalo, U.S.A. (abstract.26)
Thermal imaging applied to cryocrystallography: cryocooling and beam heating (Pt I).
17:30 - 18:00 Michael Kazmierczak, University of Cincinnati, U.S.A (abstract.27)
Thermal imaging applied to cryocrystallography: beam heating of samples: modeling and verification (Pt II).

18:00 - 18:30 Summary, discussion and close of Workshop.

Poster Presentation
01. John McGeehan, EMBL, Grenoble, France.
Online Monitoring of UV/Vis Spectral Changes in Cryocooled Crystals (poster abstract.1)

On Monday afternoon 6th March at 16:00 and on Thursday morning 9th March (at 9:30am or 10:00am), there will be optional tours of SPring-8 lasting approximately 1.5 hours.