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. 1996 May-Jun;101(3):231–241. doi: 10.6028/jres.101.025

Table 1.

PDB holdings—November 1995

Total holdings
 3928 released atomic coordinate entries
 576 structure factor files
 109 NMR restraint files
Molecule type
 3570 proteins, peptides, and viruses
 80 protein/nucleic acid complexes
 266 nucleic acids
 12 carbohydrates
Experimental technique
 125 theoretical modeling
 521 NMR
 3694 diffraction and other