Lineage for Family b.87.1.2: Type 1 signal peptidase

1. Root: SCOPe 2.08

2. Class b: All beta proteins [48724] (180 folds)

3. Fold b.87: LexA/Signal peptidase [51305] (1 superfamily) complex fold made of several coiled beta-sheets; contains an SH3-like barrel

4. Superfamily b.87.1: LexA/Signal peptidase [51306] (3 families)

5. Family b.87.1.2: Type 1 signal peptidase [51312] (1 protein) contains additional all-beta subdomain inserted in the superfamily fold