PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRIntegrativeMultiple methodsNeutronOtherTotal
Protein (only)172,99518,59912,6453202138432204,888
Protein/Oligosaccharide10,0813,123348102013,258
Protein/NA8,8815,4812862170014,676
Nucleic acid (only)2,9701891,537215314,717
Other17010333000216
Oligosaccharide (only)1106010422
Total 195,10827,40214,5413542468937237,777

PDB Structures with Experimental Data

185,219 have a structure factor file
11,506 have an NMR restraint file
6,039 have a chemical shifts file
4,347 have NMR unified data files (NEF and/or NMR-STAR format files)
26,867 3DEM maps were used for the determination of 27,111 PDB structures

PDB Structures with Small Molecule Data

180,270 with any non-polymer small molecules
178,642 with non-polymer small molecules of 100-300 Da
62,696 with non-polymer small molecules of 300-500 Da
43,125 with non-polymer small molecules of 500-1200 Da
44,187 with author-designated Ligand/s of Interest
4,609 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,439 with with branched entities of oligosaccharides