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Figure 4
Per-residue changes in (a) backbone torsion angles and (b) heavy-atom positions highlight the fact that modest improvements in validation statistics may involve extensive changes to the model. Insets denote the numbers of residues with large changes in each criterion (defined as >45° change in dihedral angle or >2 Å heavy-atom r.m.s.d.). `Combined' gives the number of residues with a large change in at least one criterion. Annotations in (b) refer to a single-residue register shift in chain 4, residues 469–497 (asterisk), a poorly interpretable loop originally modelled into density complicated by the unmodelled C-terminal end of chain 6 (dagger) and the zinc-finger domain of chain 6, which was a polyalanine trace in the original model (double dagger).

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ISSN: 2059-7983
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