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)	166,930	15,443	12,520	208	77	32	195,210
Protein/Oligosaccharide	9,632	2,616	34	8	2	0	12,292
Protein/NA	8,722	4,665	286	7	0	0	13,680
Nucleic acid (only)	2,867	137	1,507	14	3	1	4,529
Other	170	10	33	0	0	0	213
Oligosaccharide (only)	11	0	6	1	0	4	22
Total	188,332	22,871	14,386	238	82	37	225,946

PDB Structures with Experimental Data

178,410 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,191 have NMR unified data files (NEF and/or NMR-STAR format files)
22,373 3DEM maps were used for the determination of 22,599 PDB structures

PDB Structures with Small Molecule Data

171,368 with any non-polymer small molecules
169,812 with non-polymer small molecules of 100-300 Da
59,103 with non-polymer small molecules of 300-500 Da
40,530 with non-polymer small molecules of 500-1200 Da
37,765 with author-designated Ligand/s of Interest
4,524 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,472 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.

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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