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. 2004 Apr;86(4):2350–2362. doi: 10.1016/S0006-3495(04)74292-7

FIGURE 1.

FIGURE 1

Sequence (a) and schematic sketch of linear (b), monocyclic (c), and disulfide-bridged bicyclic AMBP peptides (d). Reversible photomodulation of conformation of the bicyclic AMBP peptide according to the NMR structures (e) given in (Renner et al., 2000b). The trans → cis photoisomerization of the AMPB photoswitch (dark gray) allows the formation of a distorted helix-like structure from the initial elongated molecular conformation. The peptide backbone is shown in gray and the Cys–Cys bond in light gray.