PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)170,93817,55812,6022108432201,424
Protein/Oligosaccharide9,9842,92134102012,951
Protein/NA8,8235,24328670014,359
Nucleic acid (only)2,9201751,52314314,636
Other1701033000213
Oligosaccharide (only)110610422
Total 192,84625,90714,4842428937233,605

PDB Structures with Experimental Data

182,950 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,289 have NMR unified data files (NEF and/or NMR-STAR format files)
25,386 3DEM maps were used for the determination of 25,620 PDB structures

PDB Structures with Small Molecule Data

177,257 with any non-polymer small molecules
175,652 with non-polymer small molecules of 100-300 Da
61,497 with non-polymer small molecules of 300-500 Da
42,251 with non-polymer small molecules of 500-1200 Da
42,133 with author-designated Ligand/s of Interest
4,565 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,131 with with branched entities of oligosaccharides