PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)166,79015,36912,5162087732194,992
Protein/Oligosaccharide9,6242,6003482012,268
Protein/NA8,7104,65428670013,657
Nucleic acid (only)2,8671371,50714314,529
Other1701033000213
Oligosaccharide (only)110610422
Total 188,17222,77014,3822388237225,681

PDB Structures with Experimental Data

178,250 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,187 have NMR unified data files (NEF and/or NMR-STAR format files)
22,272 3DEM maps were used for the determination of 22,498 PDB structures

PDB Structures with Small Molecule Data

171,172 with any non-polymer small molecules
169,616 with non-polymer small molecules of 100-300 Da
59,014 with non-polymer small molecules of 300-500 Da
40,471 with non-polymer small molecules of 500-1200 Da
37,612 with author-designated Ligand/s of Interest
4,520 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,448 with with branched entities of oligosaccharides