PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)171,95918,08312,6222108432202,990
Protein/Oligosaccharide10,0182,96834102013,032
Protein/NA8,8475,37628670014,516
Nucleic acid (only)2,9471851,53514314,685
Other1701033000213
Oligosaccharide (only)110610422
Total 193,95226,62214,5162428937235,458

PDB Structures with Experimental Data

184,056 have a structure factor file
11,506 have an NMR restraint file
6,039 have a chemical shifts file
4,321 have NMR unified data files (NEF and/or NMR-STAR format files)
26,098 3DEM maps were used for the determination of 26,335 PDB structures

PDB Structures with Small Molecule Data

178,737 with any non-polymer small molecules
177,118 with non-polymer small molecules of 100-300 Da
62,211 with non-polymer small molecules of 300-500 Da
42,684 with non-polymer small molecules of 500-1200 Da
43,246 with author-designated Ligand/s of Interest
4,583 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,212 with with branched entities of oligosaccharides