PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)166,93015,44312,5202087732195,210
Protein/Oligosaccharide9,6322,6163482012,292
Protein/NA8,7224,66528670013,680
Nucleic acid (only)2,8671371,50714314,529
Other1701033000213
Oligosaccharide (only)110610422
Total 188,33222,87114,3862388237225,946

PDB Structures with Experimental Data

178,410 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,191 have NMR unified data files (NEF and/or NMR-STAR format files)
22,373 3DEM maps were used for the determination of 22,599 PDB structures

PDB Structures with Small Molecule Data

171,368 with any non-polymer small molecules
169,812 with non-polymer small molecules of 100-300 Da
59,103 with non-polymer small molecules of 300-500 Da
40,530 with non-polymer small molecules of 500-1200 Da
37,765 with author-designated Ligand/s of Interest
4,524 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,472 with with branched entities of oligosaccharides