PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)166,53915,21712,4912087732194,564
Protein/Oligosaccharide9,6212,5843482012,249
Protein/NA8,6884,60428670013,585
Nucleic acid (only)2,8641371,50614314,525
Other1701033000213
Oligosaccharide (only)110610422
Total 187,89322,55214,3562388237225,158

PDB Structures with Experimental Data

177,970 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,161 have NMR unified data files (NEF and/or NMR-STAR format files)
22,058 3DEM maps were used for the determination of 22,281 PDB structures

PDB Structures with Small Molecule Data

170,831 with any non-polymer small molecules
169,278 with non-polymer small molecules of 100-300 Da
58,843 with non-polymer small molecules of 300-500 Da
40,362 with non-polymer small molecules of 500-1200 Da
37,378 with author-designated Ligand/s of Interest
4,516 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,429 with with branched entities of oligosaccharides