PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)166,45415,11212,4902087732194,373
Protein/Oligosaccharide9,6182,5763482012,238
Protein/NA8,6754,59328670013,561
Nucleic acid (only)2,8641371,50514314,524
Other1701033000213
Oligosaccharide (only)110610422
Total 187,79222,42814,3542388237224,931

PDB Structures with Experimental Data

177,868 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,159 have NMR unified data files (NEF and/or NMR-STAR format files)
21,935 3DEM maps were used for the determination of 22,158 PDB structures

PDB Structures with Small Molecule Data

170,663 with any non-polymer small molecules
169,110 with non-polymer small molecules of 100-300 Da
58,774 with non-polymer small molecules of 300-500 Da
40,301 with non-polymer small molecules of 500-1200 Da
37,252 with author-designated Ligand/s of Interest
4,514 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,418 with with branched entities of oligosaccharides