PDB Statistics: PDB Data Distribution by Experimental Method and Molecular Type

PDB Data Distribution by Experimental Method and Molecular Type

Molecular Type	X-ray	EM	NMR	Multiple methods	Neutron	Other	Total
Protein (only)	168,654	16,251	12,551	208	79	32	197,775
Protein/Oligosaccharide	9,908	2,732	34	8	2	0	12,684
Protein/NA	8,777	4,862	286	7	0	0	13,932
Nucleic acid (only)	2,873	149	1,517	14	3	1	4,557
Other	170	10	33	0	0	0	213
Oligosaccharide (only)	11	0	6	1	0	4	22
Total	190,393	24,004	14,427	238	84	37	229,183

PDB Structures with Experimental Data

180,473 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,232 have NMR unified data files (NEF and/or NMR-STAR format files)
23,498 3DEM maps were used for the determination of 23,732 PDB structures

PDB Structures with Small Molecule Data

173,907 with any non-polymer small molecules
172,341 with non-polymer small molecules of 100-300 Da
60,123 with non-polymer small molecules of 300-500 Da
41,210 with non-polymer small molecules of 500-1200 Da
39,608 with author-designated Ligand/s of Interest
4,544 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,864 with with branched entities of oligosaccharides

Sunburst Chart for Experimental Method and Molecular Type

Inner most layer represents the distribution by experimental methods, X-ray is shown in blue; NMR in orange; EM in green; 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.

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.

Prepare Data

Validate Data

Deposit Data

Help and Resources

PDB Data Distribution by Experimental Method and Molecular Type

PDB Structures with Experimental Data

PDB Structures with Small Molecule Data

Sunburst Chart for Experimental Method and Molecular Type