Fold: LexA/Signal peptidase

complex fold made of several coiled beta-sheets; contains an SH3-like barrel

Lineage:

1. Root: scop
2. Class: All beta proteins
3. Fold: LexA/Signal peptidase
   complex fold made of several coiled beta-sheets; contains an SH3-like barrel

Superfamilies:

1. LexA/Signal peptidase (2)
   1. LexA-related (3)
   2. Type 1 signal peptidase (1)
      contains additional all-beta subdomain iserted in the superfamily fold