PDB Data Distribution by Experimental Method and Molecular Type

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Molecular TypeX-rayEMNMRMultiple methodsNeutronOtherTotal
Protein (only)171,32217,64712,6102108432201,905
Protein/Oligosaccharide9,9872,92734102012,960
Protein/NA8,8295,27128670014,393
Nucleic acid (only)2,9211751,52914314,643
Other1701033000213
Oligosaccharide (only)110610422
Total 193,24026,03014,4982428937234,136

PDB Structures with Experimental Data

183,344 have a structure factor file
11,506 have an NMR restraint file
6,039 have a chemical shifts file
4,303 have NMR unified data files (NEF and/or NMR-STAR format files)
25,509 3DEM maps were used for the determination of 25,743 PDB structures

PDB Structures with Small Molecule Data

177,746 with any non-polymer small molecules
176,136 with non-polymer small molecules of 100-300 Da
61,718 with non-polymer small molecules of 300-500 Da
42,325 with non-polymer small molecules of 500-1200 Da
42,533 with author-designated Ligand/s of Interest
4,566 with a biologically interesting short oligomer or oligomer-like BIRD molecules
13,140 with with branched entities of oligosaccharides