Lineage for Superfamily d.58.57: Transposase IS200-like

1. Root: SCOP 1.75

2. Class d: Alpha and beta proteins (a+b) [53931] (376 folds)

3. Fold d.58: Ferredoxin-like [54861] (59 superfamilies) alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2

4. Superfamily d.58.57: Transposase IS200-like [143422] (1 family) contains extra N-terminal hairpin and C-terminal helix, both are involved in dimerization; there can be helix-swapping in the dimer