Lineage for Family c.23.1.6: RcsC linker domain-like

1. Root: SCOP 1.73

2. Class c: Alpha and beta proteins (a/b) [51349] (141 folds)

3. Fold c.23: Flavodoxin-like [52171] (15 superfamilies) 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345

4. Superfamily c.23.1: CheY-like [52172] (7 families)

5. Family c.23.1.6: RcsC linker domain-like [142037] (1 protein) PfamB 016190; probable rudiment CheY-like domain; precedes the C-terminal CheY-related domain of similar structure