Alternate locations of backbones: Difference between revisions

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===X-ray diffraction===
===X-ray diffraction===


Half of all X-ray diffraction entries have AltLocs, and ~90% of those (~79,000) have backbone atom AltLocs. However, not quite ~500 entries (<1%) have "substantial" separations of some AltLoc backbone atoms, namely separations averaging >2.5 &Aring;. (The [[van der Waals radii|van der Waals diameter]] of a carbon atom is 3.4 &Aring;.)
Half of all X-ray diffraction entries have AltLocs, and ~90% of those (~79,000) have backbone atom AltLocs. 1,035 entries with backbone atom AltLocs (1.3%) have maximum backbone atom separations of >5.0 &Aring;.
<!--However, not quite ~500 entries (<1%) have "substantial" separations of some AltLoc backbone atoms, namely separations averaging >2.5 &Aring;.-->
(The [[van der Waals radii|van der Waals diameter]] of a carbon atom is 3.4 &Aring;.)


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Eric Martz