PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)164,98914,32012,4532067432192,074
Protein/Oligosaccharide9,5392,4413482012,024
Protein/NA8,5644,36328670013,220
Nucleic acid (only)2,8361361,49714314,487
Other1661033000209
Oligosaccharide (only)110610422
Total 186,10521,27014,3092367937222,036

PDB Structures with Experimental Data

176,174 have a structure factor file
11,506 have an NMR restraint file
6,038 have a chemical shifts file
4,113 have NMR unified data files (NEF and/or NMR-STAR format files)
20,782 3DEM maps were used for the determination of 21,002 PDB structures

PDB Structures with Small Molecule Data

168,528 with any non-polymer small molecules
166,992 with non-polymer small molecules of 100-300 Da
57,729 with non-polymer small molecules of 300-500 Da
39,732 with non-polymer small molecules of 500-1200 Da
35,840 with author-designated Ligand/s of Interest
4,473 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,201 with with branched entities of oligosaccharides