Ras p21 in complex with Mg and GDP

Three different VRML representations are available for the Ras p21 structure. They all use the schematic representation of secondary structure, where alpha-helices are shown as helical ribbons, and beta-strands as arrows.

Simple colouring scheme: alpha-helices are green, beta-strands are red.
- minimal model (600 polygons) with viewpoints.
- nice model (3,300 polygons) with viewpoints.
Rainbow colour ramp from N- (blue) to C-terminus (red) of the peptide chain.
RMSD variability colour-mapped, where blue=well-defined, red=variable.

Some features of the ras p21 structure are explained here:

GDP molecule
Mg ion
Effector loops

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