PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)167,77515,92812,5402087932196,562
Protein/Oligosaccharide9,6682,6813482012,393
Protein/NA8,7574,78128670013,831
Nucleic acid (only)2,8701421,51014314,540
Other1701033000213
Oligosaccharide (only)110610422
Total 189,25123,54214,4092388437227,561

PDB Structures with Experimental Data

179,331 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,214 have NMR unified data files (NEF and/or NMR-STAR format files)
23,040 3DEM maps were used for the determination of 23,270 PDB structures

PDB Structures with Small Molecule Data

172,576 with any non-polymer small molecules
171,015 with non-polymer small molecules of 100-300 Da
59,573 with non-polymer small molecules of 300-500 Da
40,898 with non-polymer small molecules of 500-1200 Da
38,651 with author-designated Ligand/s of Interest
4,537 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,573 with with branched entities of oligosaccharides