PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)167,11115,53612,5292087732195,493
Protein/Oligosaccharide9,6362,6253482012,305
Protein/NA8,7274,67928670013,699
Nucleic acid (only)2,8681371,50714314,530
Other1701033000213
Oligosaccharide (only)110610422
Total 188,52322,98714,3952388237226,262

PDB Structures with Experimental Data

178,601 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,200 have NMR unified data files (NEF and/or NMR-STAR format files)
22,490 3DEM maps were used for the determination of 22,715 PDB structures

PDB Structures with Small Molecule Data

171,593 with any non-polymer small molecules
170,036 with non-polymer small molecules of 100-300 Da
59,199 with non-polymer small molecules of 300-500 Da
40,597 with non-polymer small molecules of 500-1200 Da
37,941 with author-designated Ligand/s of Interest
4,533 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,485 with with branched entities of oligosaccharides