Figure 25.2.6.1

Laskowski, R. A.; MacArthur, M. W.; Thornton, J. M.

doi:10.1107/97809553602060000724

International
Tables for
Crystallography
Volume F
Crystallography of biological macromolecules
Edited by M. G. Rossmann and E. Arnold

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International Tables for Crystallography (2006). Vol. F. ch. 25.2, p. 723 | 1 | 2 |

Figure 25.2.6.1

R. A. Laskowski,^w M. W. MacArthur^q and J. M. Thornton^x ^*

Figure 25.2.6.1

PROCHECK Ramachandran plots showing the different regions, shaded according to how `favourable' the φ–ψ combinations are, for (a) the original version of the program (1992) and (b) an updated version based on a more recent data set (1998) including more high-resolution structures. The `core' and other favourable regions of the plot are more tightly compressed in the new version, with the white, disfavoured regions occupying more of the space.