PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)164,22913,89712,4072067432190,845
Protein/Oligosaccharide9,4762,3453482011,865
Protein/NA8,5304,26328670013,086
Nucleic acid (only)2,8041361,48914314,447
Other165933000207
Oligosaccharide (only)110610422
Total 185,21520,65014,2552367937220,472

PDB Structures with Experimental Data

175,284 have a structure factor file
11,505 have an NMR restraint file
6,037 have a chemical shifts file
4,060 have NMR unified data files (NEF and/or NMR-STAR format files)
20,166 3DEM maps were used for the determination of 20,382 PDB structures

PDB Structures with Small Molecule Data

167,380 with any non-polymer small molecules
165,863 with non-polymer small molecules of 100-300 Da
57,483 with non-polymer small molecules of 300-500 Da
39,359 with non-polymer small molecules of 500-1200 Da
35,044 with author-designated Ligand/s of Interest
4,463 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,040 with with branched entities of oligosaccharides