Type: Data File

Acronym: Protein Data Bank File

Opens With: RasMol, Avogadro, any text editor

Contains 3D coordinates of atoms present in a protein or other chemical compound; standard format used by RCSB (Research Collaboratory for Structural Bioinformatics) to study the 3D structure of biological macromolecules. PDB files can typically be viewed within a Web browser that has a molecular viewer plugin installed.