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)	155,371	10,427	12,200	192	72	32	178,294
Protein/Oligosaccharide	9,126	1,830	32	7	1	0	10,996
Protein/NA	8,144	3,244	283	6	0	0	11,677
Nucleic acid (only)	2,694	99	1,450	12	2	1	4,258
Other	163	9	32	0	0	0	204
Oligosaccharide (only)	11	0	6	1	0	4	22
Total	175,509	15,609	14,003	218	75	37	205,451

PDB Structures with Experimental Data

165,550 have a structure factor file
11,355 have an NMR restraint file
5,888 have a chemical shifts file
17 have NMR unified data files (NEF and/or NMR-STAR format files)
15,150 3DEM maps were used for the determination of 15,349 PDB structures

PDB Structures with Small Molecule Data

155,624 with any non-polymer small molecules
154,168 with non-polymer small molecules of 100-300 Da
52,601 with non-polymer small molecules of 300-500 Da
36,137 with non-polymer small molecules of 500-1200 Da
26,661 with author-designated Ligand/s of Interest
4,358 with a biologically interesting short oligomer or oligomer-like BIRD molecules
11,170 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 National Science Foundation (DBI-1832184), 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 R01GM133198.

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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