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Molecular replacement: Difference between revisions
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== Self-rotation function == | == Self-rotation function == | ||
A self-rotation function may be calculated to find the relative rotation between two molecules in the asymmetric unit. It is often calculated in polar coordinates (phi | A self-rotation function may be calculated to find the relative rotation between two molecules in the asymmetric unit. It is often calculated in polar coordinates (theta, phi, kappa), because these separate the amount of rotation (kappa) from the axis around which the rotation takes place (theta, phi) (called omega, phi in the [http://www.ccp4.ac.uk/html/polarrfn.html polarrfn documentation]). | ||
For visualization often a [[stereographic projection]] is used. | For visualization often a [[stereographic projection]] is used. | ||
A self-rotation function may be calculated and visualized with the help of [[molrep]] or [[polarrfn]]. | |||
== Rotation function (RF) == | == Rotation function (RF) == | ||