1. Conformational Effects on Tryptophan Fluorescence in Cyclic Hexapeptides 
Chia-Pin Pan, Mary D. Barkley 
Biophysical Journal 
Volume 86, Issue 6, Pages (June 2004)
DOI: /biophysj
Copyright © 2004 The Biophysical Society Terms and Conditions

2. Figure 1
Backbones and tryptophan side chains of cyclic hexapeptides 2a (green), 2b (yellow green), 3 (magenta), 4a (tan), 4b (brown), 5 (black), and 6 (purple). Backbone HN, N, Cα, and CO atoms superposed best at positions 3 and 6.
Biophysical Journal  , DOI: ( /biophysj )
Copyright © 2004 The Biophysical Society Terms and Conditions