Lineage for Family a.4.5.42: FUR-like

1. Root: SCOP 1.73

2. Class a: All alpha proteins [46456] (258 folds)

3. Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (14 superfamilies) core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down

4. Superfamily a.4.5: "Winged helix" DNA-binding domain [46785] (68 families) contains a small beta-sheet (wing)

5. Family a.4.5.42: FUR-like [101027] (1 protein) contains extra N-terminal helix and an alpha+beta dimerisation subdomain