|  | Class d: Alpha and beta proteins (a+b) [53931] (376 folds) | 
|  | Fold d.151: DNase I-like [56218] (1 superfamily) contains beta-sandwich; duplication of alpha+beta motif | 
|  | Superfamily d.151.1: DNase I-like [56219] (3 families)  | 
|  | Family d.151.1.1: DNase I-like [56220] (6 proteins) | 
|  | Protein DNA repair endonuclease Hap1 [56223] (1 species) Major apurinic/apyrimidinic endonuclease APE1 | 
|  | Species Human (Homo sapiens) [TaxId:9606] [56224] (7 PDB entries) | 
|  | Domain d1bixa_: 1bix A: [41781] complexed with pt, sm | 
|  | Domain d1de8a_: 1de8 A: [41788] | 
|  | Domain d1de8b_: 1de8 B: [41789] | 
|  | Domain d1de9a_: 1de9 A: [41784] | 
|  | Domain d1de9b_: 1de9 B: [41785] | 
|  | Domain d1dewa_: 1dew A: [41786] | 
|  | Domain d1dewb_: 1dew B: [41787] | 
|  | Domain d1e9na_: 1e9n A: [41782] | 
|  | Domain d1e9nb_: 1e9n B: [41783] complexed with pb | 
|  | Domain d1hd7a_: 1hd7 A: [41780] complexed with pb | 
|  | Domain d2isia1: 2isi A:43-318 [137603] automatically matched to d1e9na_ complexed with mg, po4 | 
|  | Domain d2isib1: 2isi B:43-318 [137604] automatically matched to d1e9na_ complexed with mg, po4 | 
|  | Domain d2isic1: 2isi C:43-318 [137605] automatically matched to d1e9na_ complexed with mg, po4 | 
Timeline for Species Human (Homo sapiens) [TaxId:9606] from d.151.1.1 DNA repair endonuclease Hap1: