A Resource for Studying Biological Macromolecules

The PDB archive contains information about experimentally-determined structures of proteins, nucleic acids, and complex assemblies. As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards.

The RCSB PDB also provides a variety of tools and resources. Users can perform simple and advanced searches based on annotations relating to sequence, structure and function. These molecules are visualized, downloaded, and analyzed by users who range from students to specialized scientists.

Tobacco mosaic virus (TMV) has been at the center of virus research since its discovery over a hundred years ago. TMV was the first virus to be discovered. Late in the 19th century, researchers found that a tiny infectious agent, too small to be a bacterium, was the cause of a disease of tobacco plants. It then took 30 years of work before the nature of this mysterious agent became apparent. In a Nobel-prize-winning study, Wendell Stanley coaxed the virus to form crystals, and discovered that it was composed primarily of protein.
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Found in all kingdoms, this particular form of HutI came to the PSI NYSGXRC from the Sargasso Sea through Craig Venter's Global Ocean Sampling Expedition. HutI performs the third step in the major pathway of histidine degradation, and the active site of this amidohydrolase superfamily protein relies on a constellation of histidines to perform this breakdown.
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