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Figure 4
Annotation of severely distorted helices. (a) Main-chain backbone representation of the distorted helices from chain A of photosystem I (PDB entry 2o01); carbonyl O atoms are coloured red. CVs are represented by blue arrows and the Ramachandran outliers are highlighted in yellow (amino acids 207, 208, 215, 307 and 310); they are displayed as red dots in the Ramachandran plot (b). (c) The strictness is annotated for each residue: blue indicates higher confidence than red.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 76| Part 3| March 2020| Pages 193-208
https://doi.org/10.1107/S2059798320001679
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