Created by researchers at MIT's Software Tools for Academics and Researchers (STAR) initiative, this website offers interested parties a 3-D protein viewer that "allows students to learn key concepts about the biology of proteins in an interactive manner." First-time users may want to start by clicking on the "Video Tutorial" on the homepage to get a basic sense of how the viewer works. The site also includes a "Screenshots" section and several sample exercises. Perhaps the most detailed instructions can be found in the online user manual, which includes eight areas, including "Loading a protein structure" and "Visualizing atoms and bonds." A section where users can send in feedback rounds out the site.