PDB Data Distribution by Experimental Method and Molecular Type

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Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)172,08118,13512,6272108432203,169
Protein/Oligosaccharide10,0272,97434102013,047
Protein/NA8,8495,38628670014,528
Nucleic acid (only)2,9471851,53615314,687
Other1701033000213
Oligosaccharide (only)110610422
Total 194,08526,69014,5222438937235,666

PDB Structures with Experimental Data

184,189 have a structure factor file
11,506 have an NMR restraint file
6,039 have a chemical shifts file
4,328 have NMR unified data files (NEF and/or NMR-STAR format files)
26,166 3DEM maps were used for the determination of 26,403 PDB structures

PDB Structures with Small Molecule Data

178,900 with any non-polymer small molecules
177,280 with non-polymer small molecules of 100-300 Da
62,289 with non-polymer small molecules of 300-500 Da
42,733 with non-polymer small molecules of 500-1200 Da
43,362 with author-designated Ligand/s of Interest
4,590 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,227 with with branched entities of oligosaccharides