PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)163,68213,68312,3962047432190,071
Protein/Oligosaccharide9,4502,3073482011,801
Protein/NA8,4954,18828670012,976
Nucleic acid (only)2,8011321,48814314,439
Other164933000206
Oligosaccharide (only)110610422
Total 184,60320,31914,2432347937219,515

PDB Structures with Experimental Data

174,672 have a structure factor file
11,504 have an NMR restraint file
6,036 have a chemical shifts file
4,047 have NMR unified data files (NEF and/or NMR-STAR format files)
19,835 3DEM maps were used for the determination of 20,051 PDB structures

PDB Structures with Small Molecule Data

166,605 with any non-polymer small molecules
165,093 with non-polymer small molecules of 100-300 Da
57,150 with non-polymer small molecules of 300-500 Da
39,173 with non-polymer small molecules of 500-1200 Da
34,553 with author-designated Ligand/s of Interest
4,453 with a biologically interesting short oligomer or oligomer-like BIRD molecules
11,976 with with branched entities of oligosaccharides