Lineage for Species: Pyrococcus horikoshii [TaxId: 53953]

1. Root: SCOPe 2.08

2. Class c: Alpha and beta proteins (a/b) [51349] (148 folds)

3. Fold c.37: P-loop containing nucleoside triphosphate hydrolases [52539] (1 superfamily) 3 layers: a/b/a, parallel or mixed beta-sheets of variable sizes

4. Superfamily c.37.1: P-loop containing nucleoside triphosphate hydrolases [52540] (27 families) division into families based on beta-sheet topologies

5. Family c.37.1.0: automated matches [191323] (1 protein) not a true family

6. Protein automated matches [190123] (158 species) not a true protein

7. Species Pyrococcus horikoshii [TaxId:53953] [326457] (1 PDB entry)