Fold: Immunoglobulin-like beta-sandwich

sandwich; 7 strands in 2 sheets; greek-key
some members of the fold have additional strands

Lineage:

1. Root: scop
2. Class: All beta proteins
3. Fold: Immunoglobulin-like beta-sandwich
   sandwich; 7 strands in 2 sheets; greek-key
   some members of the fold have additional strands

Superfamilies:

1. Immunoglobulin (5)
2. Fibronectin type III (1)
3. PKD domain (1)
4. beta-Galactosidase/glucuronidase domain (1)
5. Transglutaminase (1)
6. Cadherin (1)
7. Actinoxanthin-like (1)
8. Cu,Zn superoxide dismutase-like (1)
   has additional strand at N-terminus
9. Cytochrome domain of cellobiose dehydrogenase (1)
   has additional strand at N-terminus; the active site in a similar topological location as the Cu,Zn SOD site
10. Clathrin adaptor appendage domain (1)
11. PapD-like (2)
    contains PP switch between strands D and C'
12. Purple acid phosphatase, N-terminal domain (1)
13. Superoxide reductase-like (1)
14. Invasin/intimin cell-adhesion fragments (1)