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Ensemble refinement of protein crystal structures in PHENIX

Ensemble refinement of protein crystal structures in PHENIX

Ensemble refinement of protein crystal structures in PHENIX

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Incomplete modell<strong>in</strong>g <strong>of</strong> disorder contributes to R factor gap <br />

Only ~5% <strong>of</strong> residues <strong>in</strong> the PDB are modelled with more than <br />

one conforma=on (x-­‐ray <strong>structures</strong>) <br />

Mul=ple discrete models restricted due to <strong>in</strong>crease <strong>in</strong> number <strong>of</strong> <br />

model parameters <br />

Molecular dynamics simula=ons produce a Boltzmann-­‐weighted <br />

popula=on <strong>of</strong> <strong>in</strong>ter-­‐related <strong>structures</strong> <br />

MD simula=ons can be restra<strong>in</strong>ed with x-­‐ray data

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