| 1A73 | A:; B: | INTRON-ENCODED ENDONUCLEASE I-PPOI COMPLEXED WITH DNA |
| 1A74 | A:; B: | I-PPOL HOMING ENDONUCLEASE/DNA COMPLEX |
| 1CYQ | A:; B: | INTRON ENCODED HOMING ENDONUCLEASE I-PPOI (H98A)/DNA HOMING SITE COMPLEX |
| 1CZ0 | A:; B: | INTRON ENCODED HOMING ENDONUCLEASE I-PPOI/DNA COMPLEX LACKING CATALYTIC METAL ION |
| 1EVW | A:; B:; C:; D: | L116A MUTANT OF THE HOMING ENDONUCLEASE I-PPOI COMPLEXED TO HOMING SITE DNA. |
| 1EVX | A:; B: | APO CRYSTAL STRUCTURE OF THE HOMING ENDONUCLEASE, I-PPOI |
| 1IPP | A:; B: | HOMING ENDONUCLEASE/DNA COMPLEX |
| 2O6M | A:; B: | H98Q MUTANT OF THE HOMING ENDONUCLEASE I-PPOI COMPLEXED WITH DNA |