PDB Statistics

These statistics are generated using Web Services and represent the current holdings of the archive.

wwPDB hosts statistics on PDB Data Deposited and Data Downloaded.

PDB Data Distribution

by Experimental Method and Molecular Typeby Enzyme Classificationby Source Organism (Natural Source)by Modified Organism (Gene Source)by Expression Organism (Gene Source)by Resolutionby Refinement Softwareby R-freeby Space Groupby Journalby Molecular Weight (Structure)by Molecular Weight (Entity)by Atom Countby Residue Countby Structural Genomics Centers

Growth of Released Structures Per Year

Overallby X-rayby NMRby Electron Microscopyby Hybridby Protein-onlyby DNA-onlyby RNA-onlyby Protein-Nucleic Acid Complexes

Other Charts

Proteins Solved by Different Experimental MethodsRedundancy Based on Sequence Similarity