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NIH: National Institute of Diabetes and Digestive and Kidney Diseases NIH: National Institute of Diabetes and Digestive and Kidney Diseases
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GyrPot

GyrPot

For each term, print the computed and observed gyration volume, and the difference. Also print the computed radius of gyration. The gyration volume is defined as

Vgyr = 4 ⁄ 3π√(|G|)

with

G = (1)/(N)N∑i = 1Δqi⊗Δqi, 

where Δqi⊗Δqi represents an outer product of the position corresponding to atom i.

Please see
C.D. Schwieters and G.M. Clore, "A pseudopotential for improving the packing of ellipsoidal protein structures determined by NMR," J. Phys. Chem. B 112, 6070-6073 (2008).

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