Lineage for Family b.1.18.18: Other IPT/TIG domains

1. Root: SCOPe 2.02

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.1.18.18: Other IPT/TIG domains [89191] (1 protein) apart from the domains of transcription factors and sugar-utilizing enzymes