PDBj (Protein Data Bank Japan) maintains a centralized PDB archive of macromolecular structures and provides integrated tools, in collaboration with the RCSB, the BMRB in USA and the PDBe in EU. PDBj is supported by JST-NBDC and the MEXT grants for joint usage and research center assigned to Institute for Protein Research (IPR), Osaka University. Choose a keyword listed below or input keywords int