PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRIntegrativeMultiple methodsNeutronOtherTotal
Protein (only)172,46318,33012,6423202108432204,081
Protein/Oligosaccharide10,0433,027348102013,124
Protein/NA8,8545,4182862170014,586
Nucleic acid (only)2,9541851,536215314,696
Other17010333000216
Oligosaccharide (only)1106010422
Total 194,49526,97014,5373542438937236,725

PDB Structures with Experimental Data

184,600 have a structure factor file
11,506 have an NMR restraint file
6,039 have a chemical shifts file
4,343 have NMR unified data files (NEF and/or NMR-STAR format files)
26,443 3DEM maps were used for the determination of 26,682 PDB structures

PDB Structures with Small Molecule Data

179,473 with any non-polymer small molecules
177,850 with non-polymer small molecules of 100-300 Da
62,453 with non-polymer small molecules of 300-500 Da
42,907 with non-polymer small molecules of 500-1200 Da
43,742 with author-designated Ligand/s of Interest
4,594 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,305 with with branched entities of oligosaccharides