ground state early intermediate late intermediate

Phe 96Chr

Tyr 42

Arg 52

Try 98

Pro 68

Glu 46

Ball and Stick representation

WT Y42F

white light

UV light

Ribbon drawings and Topology Diagrams

Probe Sphere

Solvent excluded surface“Molecular surface”

Solvent accessible surface

Surface representations

The difference between the solvent accessiblesurface and the Van der Waals surface can be substantial

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Idealized B-DNA and the crystal structure of a short docecamer

Visualizing surface curvature

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Electrostatic Potential Surfaces

Acetyl choline esterase

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Acetyl cholineNet positive charge

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Analyzing packing efficiency

PROBE written by Richardson Lab

ground state early intermediate late intermediate

Phe 96Chr

Tyr 42

Arg 52

Try 98

Pro 68

Glu 46

Tyr 98

2.8 Å2.1 Å

U11 U12 U13

U21 U22 U23

U31 U32 U33][ 3 Eigenvectors

3 Eigenvalues

From Eigenvalues:shape of the ellipse

i.e. of a normal distribution

From Eigenvectors:orientation of ellipse

in space

50% is at ~ 1.2