PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)165,43014,50812,4622067432192,712
Protein/Oligosaccharide9,5742,5003482012,118
Protein/NA8,6324,43828670013,363
Nucleic acid (only)2,8511361,49714314,502
Other1661033000209
Oligosaccharide (only)110610422
Total 186,66421,59214,3182367937222,926

PDB Structures with Experimental Data

176,734 have a structure factor file
11,506 have an NMR restraint file
6,038 have a chemical shifts file
4,122 have NMR unified data files (NEF and/or NMR-STAR format files)
21,099 3DEM maps were used for the determination of 21,323 PDB structures

PDB Structures with Small Molecule Data

169,194 with any non-polymer small molecules
167,654 with non-polymer small molecules of 100-300 Da
58,200 with non-polymer small molecules of 300-500 Da
39,935 with non-polymer small molecules of 500-1200 Da
36,294 with author-designated Ligand/s of Interest
4,496 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,295 with with branched entities of oligosaccharides