Lineage for Fold g.44: RING/U-box
- Root: SCOPe 2.08
Class g: Small proteins [56992] (100 folds) 
Fold g.44: RING/U-box [57849] (1 superfamily)
dimetal(zinc)-bound alpha+beta motif; structurally diverse
Superfamily:
g.44.1: RING/U-box [57850] (7 families) 
More info for Fold g.44: RING/U-box
Timeline for Fold g.44: RING/U-box:
- Fold g.44: RING/U-box first appeared (with stable ids) in SCOP 1.55, called Fold g.44: RING finger domain, C3HC4
- Fold g.44: RING/U-box appears in SCOPe 2.07