Fold: Cupredoxin-like

sandwich; 7 strands in 2 sheets, greek-key
variations: some members have additional 1-2 strands

Lineage:

1. Root: scop
2. Class: All beta proteins
3. Fold: Cupredoxin-like
   sandwich; 7 strands in 2 sheets, greek-key
   variations: some members have additional 1-2 strands

Superfamilies:

1. Cupredoxins (5)
   contains copper-binding site
2. Major surface antigen p30, SAG1 (1)
   SS-crosslinked beta-sandwich of distinct geometry but topologically similar to cupredoxins