Current holdings
This page gives statistics on the current holdings of this database.
The last update was done in June 2020.
The data were created by
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version
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.
151837 PDB files
921 Large structures (>62 chain or >99,999 atoms) of them
505337 Protein chains
9003153 Secondary structure elements (SSEs)
10504673 3D contacts between SSEs of the same chain
| Graph type |
Number of graphs |
Graphs containing beta-barrels |
Number of SSEs in graphs |
| Alpha |
478477 |
0 |
4193575 |
| Beta |
478477 |
14904 |
3833407 |
| Alpha-Beta |
478477 |
14903 |
8026982 |
| Alphalig |
478477 |
0 |
5169746 |
| Betalig |
478477 |
14904 |
4809578 |
| Alpha-Betalig |
478477 |
14903 |
9003153 |
Number of SSEs in graphs
Number of SSEs by type
Number of contacts by type