Cholera Toxin in ActionThe catalytic portion of cholera toxin performs a single function: it seeks out the G proteins use...

This video is presented in High Definition resolution (1290x1024)Bacteria pull no punches when they fight to protect them...

Our bodies grow in two major spurts during our lives. You probably don't remember the first, which occurred during the fi...

The molecule shown here is CYP3A4 (PDB entries 1w0e and 2j0d), the cytochrome p450 that plays the major role in drug deto...

DNA is also one of the most familiar molecules, the central icon of molecular biology, easily recognized by everyone. To ...

Bacteria pull no punches when they fight to protect themselves. Some bacteria build toxins so powerful that a single mole...

Chlorophyll is a green photosynthetic pigment found in most plants, algae, and cyanobacteria. Its name is derived from an...

VaccinesAntibodies are our major defense against these small, efficient viruses. Vaccines prime the immune system with an...

Bioluminescence is the production and emission of light by a living organism as the result of a chemical reaction during ...