Lineage for Species: Escherichia coli [TaxId: 562]

1. Root: SCOPe 2.08

2. Class a: All alpha proteins [46456] (290 folds)

3. Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (14 superfamilies) core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down

4. Superfamily a.4.5: 'Winged helix' DNA-binding domain [46785] (86 families) contains a small beta-sheet (wing)

5. Family a.4.5.10: Replication initiation protein [46816] (3 proteins) duplication: tandem repeat of two "winged helix" domains arranged with the pseudo twofold symmetry

6. Protein Replication initiation protein PI [158284] (1 species)

7. Species Escherichia coli [TaxId:562] [158285] (1 PDB entry) Uniprot P03067 152-268! Uniprot P03067 9-151