Lineage for Family c.55.3.11: TM1739-like

1. Root: SCOPe 2.04

2. Class c: Alpha and beta proteins (a/b) [51349] (148 folds)

3. Fold c.55: Ribonuclease H-like motif [53066] (7 superfamilies) 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32145; strand 2 is antiparallel to the rest

4. Superfamily c.55.3: Ribonuclease H-like [53098] (15 families) consists of one domain of this fold

5. Family c.55.3.11: TM1739-like [142505] (1 protein) Pfam PF04251; DUF430; particular similarity to the PIWI domain family