Supplementary material for Ramagopal et al. (2001) Proc. Natl. Acad. Sci. USA 98 (3), 870–874. (10.1073/pnas.031442998)

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Fig. 8.

Speculated right-handed 310-helical (marked R) conformation for the model sequence -DPhe-X-X-DPhe-X-X-DPhe- and inverted structure (left-handed, marked L). The angle between the vector perpendicular to the mean plane of all the DPhe atoms and the helix axis is approximately 45°.