Lineage for Fold b.21: Adenovirus fiber protein head domain (knob domain)
- Root: SCOP 1.55
Class b: All beta proteins [48724] (93 folds) 
Fold b.21: Adenovirus fiber protein head domain (knob domain) [49834] (1 superfamily)
Superfamily:
b.21.1: Adenovirus fiber protein head domain (knob domain) [49835] (1 family) 
More info for Fold b.21: Adenovirus fiber protein head domain (knob domain)
Timeline for Fold b.21: Adenovirus fiber protein head domain (knob domain):
- Fold b.21: Adenovirus fiber protein head domain (knob domain) appears in SCOP 1.57
- Fold b.21: Adenovirus fiber protein head domain (knob domain) appears in the current release, SCOPe 2.08, called Fold b.21: Virus attachment protein globular domain