Lineage for Superfamily d.15.2: CAD & PB1 domains
- Root: SCOP 1.73
Class d: Alpha and beta proteins (a+b) [53931] (334 folds) 
Fold d.15: beta-Grasp (ubiquitin-like) [54235] (13 superfamilies)
core: beta(2)-alpha-beta(2); mixed beta-sheet 2143
Superfamily d.15.2: CAD & PB1 domains [54277] (2 families) 
contain extra helix; similar heterodimerization modes; possibly related to the ubiquitin-like superfamily
Families:
d.15.2.1: CAD domain [54278] (3 proteins) d.15.2.2: PB1 domain [64225] (10 proteins)
Pfam PF00564
forms heterodimers, although not all PB1 domain pairs associate.
More info for Superfamily d.15.2: CAD & PB1 domains
Timeline for Superfamily d.15.2: CAD & PB1 domains:
- Superfamily d.15.2: CAD & PB1 domains first appeared (with stable ids) in SCOP 1.55, called Superfamily d.15.2: CAD domain
- Superfamily d.15.2: CAD & PB1 domains appears in SCOP 1.71
- Superfamily d.15.2: CAD & PB1 domains appears in SCOP 1.75
- Superfamily d.15.2: CAD & PB1 domains appears in the current release, SCOPe 2.08