PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)169,28416,62112,5702087932198,794
Protein/Oligosaccharide9,9332,7893482012,766
Protein/NA8,7974,98528670014,075
Nucleic acid (only)2,8881491,51914314,574
Other1701033000213
Oligosaccharide (only)110610422
Total 191,08324,55414,4482388437230,444

PDB Structures with Experimental Data

181,163 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,253 have NMR unified data files (NEF and/or NMR-STAR format files)
24,049 3DEM maps were used for the determination of 24,282 PDB structures

PDB Structures with Small Molecule Data

174,855 with any non-polymer small molecules
173,280 with non-polymer small molecules of 100-300 Da
60,535 with non-polymer small molecules of 300-500 Da
41,534 with non-polymer small molecules of 500-1200 Da
40,286 with author-designated Ligand/s of Interest
4,551 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,946 with with branched entities of oligosaccharides