Lineage for Family a.100.1.2: Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI)
- Root: SCOPe 2.04
Class a: All alpha proteins [46456] (285 folds) 
Fold a.100: 6-phosphogluconate dehydrogenase C-terminal domain-like [48178] (1 superfamily)
multihelical; common core is formed around two long antiparallel helices related by (pseudo) twofold symmetrySuperfamily a.100.1: 6-phosphogluconate dehydrogenase C-terminal domain-like [48179] (13 families) 
N-terminal domain is Rossmann-fold with a family-specific C-terminal extension
Family a.100.1.2: Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI) [48184] (3 proteins)
Proteins:
Class I ketol-acid reductoisomerase [89101] (1 species) Species Pseudomonas aeruginosa [TaxId:287] [89102] (1 PDB entry)
Class II ketol-acid reductoisomerase [48185] (1 species)
duplication; contains two structural repeats swapped to fold into a figure eight knotSpecies Spinach (Spinacia oleracea) [TaxId:3562] [48186] (2 PDB entries)
automated matches [227000] (1 species)
not a true proteinSpecies Oryza sativa [TaxId:39947] [225644] (2 PDB entries)
More info for Family a.100.1.2: Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI)
Timeline for Family a.100.1.2: Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI):
- Family a.100.1.2: Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI) first appeared (with stable ids) in SCOP 1.55, called Family a.100.1.2: Acetohydroxy acid isomeroreductase, ketoacid reductoisomerase (KARI)
- Family a.100.1.2: Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI) appears in SCOPe 2.03
- Family a.100.1.2: Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI) appears in SCOPe 2.05
- Family a.100.1.2: Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI) appears in the current release, SCOPe 2.08