PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)168,18116,07812,5472087932197,125
Protein/Oligosaccharide9,6912,7083482012,443
Protein/NA8,7714,80428670013,868
Nucleic acid (only)2,8731491,51614314,556
Other1701033000213
Oligosaccharide (only)110610422
Total 189,69723,74914,4222388437228,227

PDB Structures with Experimental Data

179,777 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,227 have NMR unified data files (NEF and/or NMR-STAR format files)
23,245 3DEM maps were used for the determination of 23,477 PDB structures

PDB Structures with Small Molecule Data

173,096 with any non-polymer small molecules
171,530 with non-polymer small molecules of 100-300 Da
59,737 with non-polymer small molecules of 300-500 Da
41,009 with non-polymer small molecules of 500-1200 Da
39,021 with author-designated Ligand/s of Interest
4,539 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,623 with with branched entities of oligosaccharides