Lineage for Species: Pyrococcus horikoshii [TaxId: 53953]

1. Root: SCOPe 2.07

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] (26 families) division into families based on beta-sheet topologies

5. Family c.37.1.8: G proteins [52592] (80 proteins) core: mixed beta-sheet of 6 strands, order 231456; strand 2 is antiparallel to the rest

6. Protein GTP-binding protein PH0525 [142251] (1 species) Member of the Obg family of GTPases; contains an alpha-hairpin insert subdomain

7. Species Pyrococcus horikoshii [TaxId:53953] [142252] (1 PDB entry) Uniprot O58261 1-319