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Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

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 ===X-ray diffraction===
-Half of all X-ray diffraction entries have AltLocs, and ~90% of those have backbone atom AltLocs.
+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 AltLoc backbone atom 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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