Lineage for Superfamily f.28.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
- Root: SCOPe 2.01
Class f: Membrane and cell surface proteins and peptides [56835] (57 folds) 
Fold f.28: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81532] (1 superfamily)
membrane-associated alpha-helical protein; no transmembrane helicesSuperfamily f.28.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81531] (1 family) 
location - intermembrane side of the bc1 complex
Family:
f.28.1.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81530] (2 proteins)
"acidic/hinge protein", essential for the complex formation, interacts with the functional domain of cytochrome c1
More info for Superfamily f.28.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
Timeline for Superfamily f.28.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase):
- Superfamily f.28.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) first appeared in SCOP 1.63, called Superfamily f.28.1: Nonheme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
- Superfamily f.28.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) appears in SCOP 1.75
- Superfamily f.28.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) appears in SCOPe 2.02
- Superfamily f.28.1: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) appears in the current release, SCOPe 2.08