PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)168,75316,32112,5542087932197,947
Protein/Oligosaccharide9,9142,7383482012,696
Protein/NA8,7774,87328670013,943
Nucleic acid (only)2,8741491,51814314,559
Other1701033000213
Oligosaccharide (only)110610422
Total 190,49924,09114,4312388437229,380

PDB Structures with Experimental Data

180,579 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,236 have NMR unified data files (NEF and/or NMR-STAR format files)
23,585 3DEM maps were used for the determination of 23,819 PDB structures

PDB Structures with Small Molecule Data

174,042 with any non-polymer small molecules
172,476 with non-polymer small molecules of 100-300 Da
60,177 with non-polymer small molecules of 300-500 Da
41,254 with non-polymer small molecules of 500-1200 Da
39,705 with author-designated Ligand/s of Interest
4,543 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,876 with with branched entities of oligosaccharides