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of H3 loop - Accelrys

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22<br />

Loop refinement<br />

Mutate <strong>H3</strong>-<strong>loop</strong> to Ala<br />

Side Chain refinement <strong>of</strong> residues within<br />

8Å radius (ChiRotor*)<br />

Mutate <strong>H3</strong>-<strong>loop</strong> residues back<br />

Loop Refinement (LOOPER**) <strong>of</strong> <strong>H3</strong> <strong>loop</strong><br />

Case:<br />

Pre-Ref.<br />

bb RMSD<br />

Post-Ref.<br />

bb RMSD<br />

No Neighbor<br />

opt.<br />

4.11Å<br />

3.81Å sol #1<br />

3.02Å sol#3<br />

Neighbor opt.<br />

4.11Å<br />

1.79Å sol #1 (3)<br />

1.54Å sol #21 (25)<br />

*Spassov, V. et al. Protein Science. 16:1-13 2007<br />

** Spassov, V. et al. (manuscript)<br />

2aab crystal<br />

struct.<br />

1.30Å<br />

X-ray structure<br />

post-refined<br />

pre-refined<br />

side view<br />

top view

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