Current holdings

This page gives statistics on the current holdings of this database. The last update was done in July 2016.

110065 PDB files

295891 Protein chains

5573245 Secondary structure elements (SSEs)

5635590 3D contacts between SSEs of the same chain

Graph type Number of graphs Graphs containing beta-barrels Number of SSEs in graphs
Alpha 280469 0 2614275
Beta 280469 7993 2363376
Alpha-Beta 280469 7993 4977651
Alphalig 280469 0 3209869
Betalig 280469 7993 2958970
Alpha-Betalig 280469 7993 5573245

Number of SSEs in graphs





Number of SSEs by type





Number of contacts by type