Lineage for Family d.4.1.3: Cys-His box
- Root: SCOP 1.67
Class d: Alpha and beta proteins (a+b) [53931] (260 folds) 
Fold d.4: His-Me finger endonucleases [54059] (1 superfamily)
core: (alpha)-beta-omega_loop-beta-alpha; embeded in larger different structuresSuperfamily d.4.1: His-Me finger endonucleases [54060] (5 families) 
common motif contains conserved histidine residue and metal-binding site
Family d.4.1.3: Cys-His box [54069] (1 protein)
Protein:
Intron-encoded homing endonuclease I-PpoI [54070] (1 species) Species Slime mold (Physarum polycephalum) [TaxId:5791] [54071] (7 PDB entries)
More info for Family d.4.1.3: Cys-His box
Timeline for Family d.4.1.3: Cys-His box:
- Family d.4.1.3: Cys-His box first appeared (with stable ids) in SCOP 1.55
- Family d.4.1.3: Cys-His box appears in SCOP 1.65
- Family d.4.1.3: Cys-His box is called Family d.4.1.3: Intron-encoded homing endonucleases in SCOP 1.69
- Family d.4.1.3: Cys-His box appears in the current release, SCOPe 2.08, called Family d.4.1.3: Intron-encoded homing endonucleases