PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)169,12516,52512,5632087932198,532
Protein/Oligosaccharide9,9202,7623482012,726
Protein/NA8,7964,93328670014,022
Nucleic acid (only)2,8831491,51814314,568
Other1701033000213
Oligosaccharide (only)110610422
Total 190,90524,37914,4402388437230,083

PDB Structures with Experimental Data

180,985 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,245 have NMR unified data files (NEF and/or NMR-STAR format files)
23,873 3DEM maps were used for the determination of 24,107 PDB structures

PDB Structures with Small Molecule Data

174,599 with any non-polymer small molecules
173,027 with non-polymer small molecules of 100-300 Da
60,418 with non-polymer small molecules of 300-500 Da
41,444 with non-polymer small molecules of 500-1200 Da
40,096 with author-designated Ligand/s of Interest
4,549 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,906 with with branched entities of oligosaccharides