PDB Data Distribution by Experimental Method and Molecular Type
| Molecular Type | X-ray | EM | NMR | Integrative | Multiple methods | Neutron | Other | Total |
|---|---|---|---|---|---|---|---|---|
| Protein (only) | 176,968 | 20,748 | 12,721 | 343 | 224 | 84 | 32 | 211,120 |
| Protein/Oligosaccharide | 10,297 | 3,419 | 34 | 8 | 11 | 1 | 0 | 13,770 |
| Protein/NA | 9,020 | 6,028 | 287 | 24 | 7 | 0 | 0 | 15,366 |
| Nucleic acid (only) | 3,101 | 210 | 1,557 | 3 | 15 | 3 | 1 | 4,890 |
| Other | 174 | 14 | 33 | 3 | 0 | 0 | 0 | 224 |
| Oligosaccharide (only) | 11 | 0 | 6 | 0 | 1 | 0 | 4 | 22 |
| Total | 199,571 | 30,419 | 14,638 | 381 | 258 | 88 | 37 | 245,392 |
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
184,266 with non-polymer small molecules of 100-300 Da
65,056 with non-polymer small molecules of 300-500 Da
44,838 with non-polymer small molecules of 500-1200 Da
48,228 with author-designated Ligand/s of Interest
4,665 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,957 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.
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