Fold: Non-globular alpha_beta subunits of globular proteins

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a+b)
   Mainly antiparallel beta sheets (segregated alpha and beta regions)
3. Fold: Non-globular alpha_beta subunits of globular proteins

Superfamilies:

1. Non-globular alpha_beta subunits of globular proteins (1)
   this is not a true superfamily
   1. Phycoerythrin 545 alpha-subunits (1)
      consists of a long beta-hairpin and a single alpha-helix
      1. Phycoerythrin 545 alpha-subunits
         1. Cryptophyte (Rhodomonas sp.), cs24 (1)
            1. 1qgw
               complexed with cl, dbv, lyz, men, mo6, peb
               1. chain a
               2. chain b