Skip to main content
. Author manuscript; available in PMC: 2009 Oct 12.
Published in final edited form as: Structure. 2007 Jun;15(6):741–749. doi: 10.1016/j.str.2007.04.014

Figure 4. Variation in <σXG> and <σNG> as a Function of the Number of Excluded GNM Slow Modes, Averaged over All 64 Protein Pairs.

Figure 4

The abscissa indicates the number of modes taken into consideration. N′ refers to the complete set of nonzero modes; N′ – k refers to all modes except the slowest k modes. Note that the differences in average correlation coefficients as a function of the number of included modes included are statistically significant, with the exception of that between the N and N – 1 values for σXG, verified by paired Student’s t test.

(A) Excluding the contribution of the slowest GNM mode does not decrease the correlation <σXG>, whereas additional removal of slow modes from the computations reduces the correlation with X-ray results.

(B) Excluding the slowest GNM modes significantly decreases the correlation <σNG> with the NMR rmsd data.