Lineage for Species: Rattus norvegicus [TaxId: 10116]

1. Root: SCOPe 2.03

2. Class b: All beta proteins [48724] (174 folds)

3. Fold b.1: Immunoglobulin-like beta-sandwich [48725] (28 superfamilies) sandwich; 7 strands in 2 sheets; greek-key some members of the fold have additional strands

4. Superfamily b.1.18: E set domains [81296] (24 families) "Early" Ig-like fold families possibly related to the immunoglobulin and/or fibronectin type III superfamilies

5. Family b.1.18.11: Arrestin/Vps26-like [81291] (2 proteins)

6. Protein Arrestin [49244] (3 species) duplication: contains tandem repeat of two elaborated Ig-like domains contacting each other head-to-head

7. Species Rattus norvegicus [TaxId:10116] [235033] (1 PDB entry)