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Crystallographic Merohedral Twinning

Merohedral twinning is a special case of crystallographic twinning where the lattices of twin...

Virion - Capsid Structure

A view of an idealized virus particle, adopting icosahedral geometry. The protruding appendages...

Molecular Planetary Gear

Planetary gears convert shaft power from one angular frequency to another. This model of a...

The Structure of Collagen

A collagenous fiber is a bundle of many macrofibrils. Each macrofibrilis in turn a bundle of...

Serotonin Receptor

Serotonin (5-hydroxytryptamine, 5-HT) is unique among the monoamines in that its effects are...

Serotonin Transporter (5-HT)

Findings suggest that the serotonin transporter (5-HT) might be linked to both neuroticism and...

Barbarians at the Gate

Revised in 2013

The Cubic Lipid Phase

The cubic lipid phase is, of many things, a means to crystallize membrane proteins. Shown here...

The Bacteriorhodopsin D85S Mutant

Cover of the Journal of Molecular Biology. The D85S mutant is unique in that its point mutation...