Protein Crystallography (PX)

• Introduction
• 3-D Symmetry Elements

Rotational Symmetry

- Rotation Axes
- Symmetry Operators

Translational Symmetry

- Lattices and Unit Cells
- Crystal Systems
- Bravais Lattices
- Reciprocal Space

Screw Symmetry

- Concepts
- Two-One Screw Axis
- Helical Screw Axes

Rotary Inversion Symmetry

- Inversion Symmetry
- Mirror Symmetry

Symmetry Symbols

• Point Groups

Symmetry Diagrams

- Flat Projections
- Stereographic Projections

Symmetry Groups

Crystallographic Point Groups

Real Space

- Point Groups in Proteins and Point Group Diagrams
- Enantiomorphic Point Groups

Reciprocal Space

- Diffraction Symmetry
- Point Groups in Diffraction and Point Group Diagrams
- Laue Classes

Polar Point Groups

Subset Relationships of the 3-Dimensional Point Groups