PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)168,48116,15412,5492087932197,503
Protein/Oligosaccharide9,6992,7243482012,467
Protein/NA8,7754,84828670013,916
Nucleic acid (only)2,8731491,51614314,556
Other1701033000213
Oligosaccharide (only)110610422
Total 190,00923,88514,4242388437228,677

PDB Structures with Experimental Data

180,089 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,229 have NMR unified data files (NEF and/or NMR-STAR format files)
23,381 3DEM maps were used for the determination of 23,613 PDB structures

PDB Structures with Small Molecule Data

173,455 with any non-polymer small molecules
171,889 with non-polymer small molecules of 100-300 Da
59,915 with non-polymer small molecules of 300-500 Da
41,057 with non-polymer small molecules of 500-1200 Da
39,233 with author-designated Ligand/s of Interest
4,541 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,647 with with branched entities of oligosaccharides