Class d: Alpha and beta proteins (a+b) [53931] (279 folds) |
Fold d.4: His-Me finger endonucleases [54059] (1 superfamily) core: (alpha)-beta-omega_loop-beta-alpha; embeded in larger different structures |
Superfamily d.4.1: His-Me finger endonucleases [54060] (6 families) common motif contains conserved histidine residue and metal-binding site |
d.4.1.1: HNH-motif [54061] (2 proteins) |
d.4.1.2: Sm endonuclease [54066] (1 protein) the core motif is inserted in a six-stranded meander beta-sheet domain |
d.4.1.3: Intron-encoded homing endonucleases [54069] (2 proteins) |
d.4.1.5: Recombination endonuclease VII, N-terminal domain [68915] (1 protein) |
d.4.1.6: Endonuclease I [102726] (1 protein) |
d.4.1.7: Caspase-activated DNase, CAD (DffB, DFF40) [110778] (1 protein) |
Timeline for Superfamily d.4.1: His-Me finger endonucleases: