| 1DFA | A:1-180,A:416-454 | CRYSTAL STRUCTURE OF PI-SCEI IN C2 SPACE GROUP |
| 1EF0 | B:697-179,B:416-458; A:699-179,A:416-455 | CRYSTAL STRUCTURE OF PI-SCEI MINIPRECURSOR |
| 1GPP | A:-2-453 | CRYSTAL STRUCTURE OF THE S.CEREVISIAE HOMING ENDONUCLEASE PI-SCEI DOMAIN I |
| 1JVA | A:282-462,A:699-741; B:279-462,B:699-741 | CRYSTAL STRUCTURE OF THE VMA1-DERIVED ENDONUCLEASE BEARING THE N AND C EXTEIN PROPEPTIDES |
| 1UM2 | B:284-462,B:699-737; A:284-462,A:699-737 | CRYSTAL STRUCTURE OF THE VMA1-DERIVED ENDONUCLEASE WITH THE LIGATED EXTEIN SEGMENT |
| 1VDE | A:1-179,A:416-454; B:1-179,B:416-454 | PI-SCEI, A HOMING ENDONUCLEASE WITH PROTEIN SPLICING ACTIVITY |
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