PDB Data Distribution by Experimental Method and Molecular Type

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Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)171,63017,84212,6162108432202,414
Protein/Oligosaccharide10,0042,95534102013,005
Protein/NA8,8415,32728670014,461
Nucleic acid (only)2,9421781,53214314,670
Other1701033000213
Oligosaccharide (only)110610422
Total 193,59826,31214,5072428937234,785

PDB Structures with Experimental Data

183,702 have a structure factor file
11,506 have an NMR restraint file
6,039 have a chemical shifts file
4,312 have NMR unified data files (NEF and/or NMR-STAR format files)
25,789 3DEM maps were used for the determination of 26,025 PDB structures

PDB Structures with Small Molecule Data

178,214 with any non-polymer small molecules
176,602 with non-polymer small molecules of 100-300 Da
61,945 with non-polymer small molecules of 300-500 Da
42,471 with non-polymer small molecules of 500-1200 Da
42,876 with author-designated Ligand/s of Interest
4,580 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,185 with with branched entities of oligosaccharides