Fold: ISP domain

consists of two all-beta subdomains: conserved small domain has a rubredoxin-like fold; larger domain consists of 6 beta-stands packed in either sandwich of two 3-stranded sheets or closed barrel (n=6; S=8)

Lineage:

1. Root: scop
2. Class: All beta proteins
3. Fold: ISP domain
   consists of two all-beta subdomains: conserved small domain has a rubredoxin-like fold; larger domain consists of 6 beta-stands packed in either sandwich of two 3-stranded sheets or closed barrel (n=6; S=8)

Superfamilies:

1. ISP domain (2)
   1. Rieske iron-sulfur protein (ISP) (7)
   2. Naphthalene 1,2-dioxygenase alpha subunit, N-domain (1)