PDB Statistics: PDB Data Distribution by Experimental Method and Molecular Type

PDB Data Distribution by Experimental Method and Molecular Type

Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)169,44616,70412,5722088132199,043
Protein/Oligosaccharide9,9352,8083482012,787
Protein/NA8,7975,01228670014,102
Nucleic acid (only)2,8891511,51914314,577
Other1701033000213
Oligosaccharide (only)110610422
Total 191,24824,68514,4502388637230,744

PDB Structures with Experimental Data

181,330 have a structure factor file
11,505 have an NMR restraint file
6,038 have a chemical shifts file
4,255 have NMR unified data files (NEF and/or NMR-STAR format files)
24,180 3DEM maps were used for the determination of 24,413 PDB structures

PDB Structures with Small Molecule Data

175,083 with any non-polymer small molecules
173,506 with non-polymer small molecules of 100-300 Da
60,624 with non-polymer small molecules of 300-500 Da
41,631 with non-polymer small molecules of 500-1200 Da
40,462 with author-designated Ligand/s of Interest
4,552 with a biologically interesting short oligomer or oligomer-like BIRD molecules
12,967 with with branched entities of oligosaccharides