Firstly, have you tried “Auto Fit Rotamer” or “Rotamers” before you try “Edit Chi Angles”?
Secondly, in Real Space Refinement mode it is often it is more convenient to change chi angles (implicitly) by moving just one atom.The “Edit Chi Angles” torsion selection brings up a set of button, each button represents a rotatable bond. Click on one of these atoms then move the rotation in the graphics window as if you were trying rotate the view. There is a “Normal Rotation” button available to revert this rotation change.The torsion selection can be also done by using the keyboard: “1” selects chi1, “2” selects chi2 etc. The just click and drag as you would normally to rotation the view, except now the atoms of the residue are rotated round the selected chi torsion… To return to normal rotation use keyboard “0”.
Secondly, in Real Space Refinement mode it is often it is more convenient to change chi angles (implicitly) by moving just one atom. The “Edit Chi Angles” torsion selection brings up a set of button, each button represents a rotatable bond. Click on one of these atoms then move the rotation in the graphics window as if you were trying rotate the view. There is a “Normal Rotation” button available to revert this rotation change. The torsion selection can be also done by using the keyboard: “1” selects chi1, “2” selects chi2 etc. The just click and drag as you would normally to rotation the view, except now the atoms of the residue are rotated round the selected chi torsion… To return to normal rotation use keyboard “0”.
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- Firstly, have you tried "Auto Fit Rotamer" or "Rotamers" before you try "Edit Chi Angles"?
