| e-mail: | robertb@rhode-island.bio.purdue.edu, robertb@dash.cc.purdue.edu | 
| phone: | (765) 494-4910 or (765) 494-1662 | 
| address: | c/o Prof. Michael Rossmann | 
|   | Dept. of Biological Sciences | 
|   | 1392 Lilly Hall of Life Sciences | 
|   | Purdue University | 
|   | West Lafayette, IN 47907-1392 |