NCBI, the National Center for Biotechnology Information, provides this seachable database, consisting of "experimentally determined three-dimensional biomolecular structures" of macromolecules obtained from the Brookhaven Protein DataBank (PDB). The PDB currently contains more than 7600 proteins, 600 nucleic acids, and 12 carbohydrates, and adds new entries weekly. Designed "to facilitate...

The Research Collaboratory for Structural Bioinformatics (RCSB) is a non-profit group "dedicated to improving our understanding of the function of biological systems through the study of the 3-D structure of biological macromolecules." The goal of RCSB is to provide free public resources and publications to further the fields of bioinformatics and biology. RCSB members include the Department of...

Traits of Life, a new collection of exhibits and demonstrations at San Francisco's Exploratorium, offers a fascinating look at the "fundamental elements common to all living things." Culminating from 3 years of research and development, the Traits of Life collection follows four themes: cells and DNA; reproduction; evolution; and energy consumption. This companion Web site offers cool interactive...

Created by the Institute for Molecular Virology at the University of Wisconsin-Madison, this Web site offers high quality virus images that may be used for seminar presentations or any other noncommercial use. Users can choose from American Society for Virology conference poster images, enhanced EM pictures, and images of virology-related book and journal covers. Images may be searched by virus...