Fig. 5.

Linear regression lines between the equivalent Cα positions in the central transmembrane helical amino acids. a Regression lines of the deviations of inward-facing holo-conformer, 3b and inward-facing apo-conformers 4a, 4b and 4c. b Linear regression lines between the Cα positions of the holo outward-facing conformers, 4GBY and 4GBZ and 4GC0. c Linear regression line between the inward-facing apo-conformers 4b and 4a and 4c. d Poisson distributions and fits to the deviations of Cα positions of the inward-facing holo-conformer 3b, with the inward-facing apo-conformers 4a, 4b and 4c (filled circles) and outward-facing conformers 4GBY, 4GBZ and 4GC0 (open squares)