Protein Data Bank Japan

Protein Data Bank Japan
Name	Protein Data Bank Japan
Formation	2000
Headquarters	Chiba
Region served	Japan
Leader title	Director
Parent organization	Molecular Dynamics Consortium

Protein Data Bank Japan is a national data repository and bioinformatics resource focused on three-dimensional structural data of biological macromolecules. It acts as a regional partner within an international network that archives, curates, and distributes coordinates and experimental data for proteins, nucleic acids, and complexes. The resource supports structural biology, computational chemistry, drug discovery, and related research across academic, industrial, and clinical institutions.

History

PDBj was established in 2000 following initiatives by institutions such as the Institute for Protein Research, Osaka University, Japan Science and Technology Agency, and the National Institute of Genetics. Early milestones included adopting deposition workflows compatible with the Research Collaboratory for Structural Bioinformatics and aligning data standards with the Worldwide Protein Data Bank consortium. Over subsequent years, PDBj expanded services in response to advances at facilities like SPring-8, RIKEN, and KEK, integrating electron microscopy outputs from instruments at Osaka University and crystallography datasets from synchrotrons. Major upgrades coincided with community events such as the International Congress of Biochemistry and collaborations with projects linked to the Human Genome Project and the Protein Structure Initiative.

Organization and Governance

PDBj operates within a framework involving academic bodies such as Kyoto University, research institutes like National Institute of Advanced Industrial Science and Technology, and funding agencies including the Ministry of Education, Culture, Sports, Science and Technology (Japan). Governance comprises scientific advisory boards drawing members from organizations such as European Bioinformatics Institute, Brookhaven National Laboratory, and Cold Spring Harbor Laboratory. Operational leadership includes directors and technical leads who liaise with consortia like the Worldwide Protein Data Bank and standards groups such as the International Union of Crystallography. Compliance and policy development engage representatives from The Protein Data Bank in Europe, RCSB PDB, and national stakeholders including the Japan Science Council.

Data Collection and Curation

PDBj curators accept depositions from authors affiliated with universities like Tokyo Institute of Technology, industry laboratories such as Takeda Pharmaceutical Company Limited, and beamline users at facilities like KEK Photon Factory. Data types include X-ray crystallography coordinates, nuclear magnetic resonance ensembles, and cryo-electron microscopy maps produced at centers like Osaka Metropolitan University and Tohoku University. Curation workflows adhere to standards from the International Union of Crystallography and metadata schemas coordinated with EMDataBank. Validation practices reference tools and methods developed at institutions such as University of California, San Diego and Stanford University, while interoperability is ensured through formats used by Protein Data Bank in Europe, RCSB PDB, and projects like BioMagResBank.

Services and Tools

PDBj provides web-based services, programmatic access, and visualization tools used by researchers at University of Tokyo, Kyushu University, and pharmaceutical companies including Eisai Co., Ltd.. Platforms include deposition systems, search interfaces, and molecular viewers comparable to tools from European Bioinformatics Institute and RCSB PDB. Computational resources support workflows connected to modeling suites developed at Johnson & Johnson-associated groups and academic software from University of Cambridge and Massachusetts Institute of Technology. Training and outreach leverage workshops co-organized with entities like Japan Society for the Promotion of Science and conferences such as the International Conference on Bioinformatics.

Collaborations and Memberships

PDBj is a regional member of the Worldwide Protein Data Bank consortium and collaborates with partner archives including RCSB PDB and PDBe. It maintains scientific ties with electron microscopy initiatives such as EMDataBank and structural genomics projects linked to Proteome Research Center and the Protein Structure Initiative. International collaborations extend to groups at European Molecular Biology Laboratory, National Institutes of Health, and the European Synchrotron Radiation Facility, while national partnerships include beamline operators at SPring-8 and life-science centers like RIKEN Center for Biosystems Dynamics Research.

Impact and Usage

Datasets curated by PDBj underpin research at universities such as Hokkaido University and industries including Astellas Pharma Inc., influencing structure-based drug design, enzyme engineering, and education curricula. Structural entries are cited in literature from journals like Nature, Science, and Cell, supporting computational studies from groups at Princeton University and University of California, Berkeley. PDBj’s resources contribute to public databases used by initiatives such as the Human Protein Atlas and bioinformatics platforms at National Center for Biotechnology Information.

Notable Structures and Contributions

PDBj has archived landmark structures solved by teams from institutions such as Kyoto University and Tohoku University, including enzyme mechanisms, viral capsids, and receptor–ligand complexes referenced in work from Osaka University researchers. Contributions include community tools and annotation efforts developed with partners like EMBL-EBI and method papers authored in collaboration with scientists at Brookhaven National Laboratory and Rutgers University. These entries and software enhancements have been integral to studies on targets investigated by companies such as Daiichi Sankyo Company, Limited and consortia including the Structural Genomics Consortium.

Category:Biological databases Category:Science and technology in Japan