PDB Statistics: PDB Data Distribution by Experimental Method and Molecular Type

PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)169,74516,88012,5802088132199,526
Protein/Oligosaccharide9,9482,8433482012,835
Protein/NA8,8035,07828670014,174
Nucleic acid (only)2,8911561,52114314,586
Other1701033000213
Oligosaccharide (only)110610422
Total 191,56824,96714,4602388637231,356

PDB Structures with Experimental Data

181,652 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,265 have NMR unified data files (NEF and/or NMR-STAR format files)
24,460 3DEM maps were used for the determination of 24,693 PDB structures

PDB Structures with Small Molecule Data

175,541 with any non-polymer small molecules
173,958 with non-polymer small molecules of 100-300 Da
60,810 with non-polymer small molecules of 300-500 Da
41,760 with non-polymer small molecules of 500-1200 Da
40,812 with author-designated Ligand/s of Interest
4,556 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,015 with with branched entities of oligosaccharides