PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)171,82018,00112,6212108432202,768
Protein/Oligosaccharide10,0122,96134102013,019
Protein/NA8,8445,35228670014,489
Nucleic acid (only)2,9421801,53214314,672
Other1701033000213
Oligosaccharide (only)110610422
Total 193,79926,50414,5122428937235,183

PDB Structures with Experimental Data

183,903 have a structure factor file
11,506 have an NMR restraint file
6,039 have a chemical shifts file
4,317 have NMR unified data files (NEF and/or NMR-STAR format files)
25,980 3DEM maps were used for the determination of 26,217 PDB structures

PDB Structures with Small Molecule Data

178,518 with any non-polymer small molecules
176,906 with non-polymer small molecules of 100-300 Da
62,127 with non-polymer small molecules of 300-500 Da
42,597 with non-polymer small molecules of 500-1200 Da
43,070 with author-designated Ligand/s of Interest
4,581 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,199 with with branched entities of oligosaccharides