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Figure 4.
Figure 4. (a) Electron density maps around the mutated
residues at position 8 (up) (omit F[o] -F[c] maps, contoured at
3.0s) and the reverse turn (8-12) in different conformational
states with trans peptide bond 9-10 (K8D) and cis peptide bond
9-10 (K8Q, K8A and K8G) (down) (2F[o] -F[c] maps contoured at
1.0s). (b) Main-chain trace superimposition of eight mutant
structures.
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