PDB Data Distribution by Experimental Method and Molecular Type
| Molecular Type | X-ray | EM | NMR | Integrative | Multiple methods | Neutron | Other | Total |
|---|---|---|---|---|---|---|---|---|
| Protein (only) | 177,888 | 21,448 | 12,755 | 343 | 225 | 84 | 32 | 212,775 |
| Protein/Oligosaccharide | 10,334 | 3,502 | 34 | 8 | 11 | 1 | 0 | 13,890 |
| Protein/NA | 9,072 | 6,183 | 287 | 24 | 7 | 0 | 0 | 15,573 |
| Nucleic acid (only) | 3,119 | 220 | 1,561 | 3 | 15 | 3 | 1 | 4,922 |
| Other | 175 | 23 | 33 | 4 | 0 | 0 | 0 | 235 |
| Oligosaccharide (only) | 11 | 0 | 6 | 0 | 1 | 0 | 4 | 22 |
| Total | 200,599 | 31,376 | 14,676 | 382 | 259 | 88 | 37 | 247,417 |
Multiple Methods: Atomic structures substantially underpinned by more than one experimental method currently supported by the PDB archive (NMR, 3DEM, or crystallography/diffraction) with or without some additional data provided by currently unsupported methods.
Integrative Methods: Atomic structures with all data coming from currently unsupported methods by the PDB, or only partially underpinned by an experimental method currently supported by the PDB, or partially/entirely non-atomic structures supported by the PDB-IHM.
PDB Structures with Experimental Data
PDB Structures with Small Molecule Data
185,735 with non-polymer small molecules of 100-300 Da
65,649 with non-polymer small molecules of 300-500 Da
45,321 with non-polymer small molecules of 500-1200 Da
49,387 with author-designated Ligand/s of Interest
4,675 with a biologically interesting short oligomer or oligomer-like BIRD molecules
14,086 with with branched entities of oligosaccharides
Inner most layer represents the distribution by experimental methods, X-ray is shown in blue; EM in orange; NMR in green; Integrative in Red; Multiple methods in yellow; Neutron in pink; Other in grey. Outer most layer further shows the distribution by molecular type of each correspond experimental method.
Mouse over to view the statistical description of the particular section; click on a section to zoom in that particular section's statistical distribution, and then click on the center bullseye to zoom out back to the previous distribution.














