Fold: Alpha-lytic protease prodomain-like

core: alpha-beta(2)-(alpha)-beta; 2 layers: alpha/beta

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a+b)
   Mainly antiparallel beta sheets (segregated alpha and beta regions)
3. Fold: Alpha-lytic protease prodomain-like
   core: alpha-beta(2)-(alpha)-beta; 2 layers: alpha/beta

Superfamilies:

1. Alpha-lytic protease prodomain (1)
2. GMP synthetase, C-terminal, dimerisation domain (1)
3. Ribosomal protein S3 N-terminal domain-like (1)
   contains KH-motif