| 1A3S | A: | HUMAN UBC9 |
| 1KPS | A:; C: | STRUCTURAL BASIS FOR E2-MEDIATED SUMO CONJUGATION REVEALED BY A COMPLEX BETWEEN UBIQUITIN CONJUGATING ENZYME UBC9 AND RANGAP1 |
| 1U9A | A: | HUMAN UBIQUITIN-CONJUGATING ENZYME UBC9 |
| 1U9B | A: | MURINE/HUMAN UBIQUITIN-CONJUGATING ENZYME UBC9 |
| 1Z5S | A: | CRYSTAL STRUCTURE OF A COMPLEX BETWEEN UBC9, SUMO-1, RANGAP1 AND NUP358/RANBP2 |
| 2GRN | A: | CRYSTAL STRUCTURE OF HUMAN RANGAP1-UBC9 |
| 2GRO | A: | CRYSTAL STRUCTURE OF HUMAN RANGAP1-UBC9-N85Q |
| 2GRP | A: | CRYSTAL STRUCTURE OF HUMAN RANGAP1-UBC9-Y87A |
| 2GRQ | A: | CRYSTAL STRUCTURE OF HUMAN RANGAP1-UBC9-D127A |
| 2GRR | A: | CRYSTAL STRUCTURE OF HUMAN RANGAP1-UBC9-D127S |
| 2O25 | C:; D: | UBIQUITIN-CONJUGATING ENZYME E2-25 KDA COMPLEXED WITH SUMO-1-CONJUGATING ENZYME UBC9 |
| 2PE6 | A: | NON-COVALENT COMPLEX BETWEEN HUMAN SUMO-1 AND HUMAN UBC9 |
| 2PX9 | B: | THE INTRINSIC AFFINITY BETWEEN E2 AND THE CYS DOMAIN OF E1 IN UBIQUITIN-LIKE MODIFICATIONS |
| 2UYZ | A:3-158 | NON-COVALENT COMPLEX BETWEEN UBC9 AND SUMO1 |
| 2VRR | A: | STRUCTURE OF SUMO MODIFIED UBC9 |
| 2XWU | A: | CRYSTAL STRUCTURE OF IMPORTIN 13 - UBC9 COMPLEX |
| 3A4S | A:; B: | THE CRYSTAL STRUCTURE OF THE SLD2:UBC9 COMPLEX |
| 3UIN | A: | COMPLEX BETWEEN HUMAN RANGAP1-SUMO2, UBC9 AND THE IR1 DOMAIN FROM RANBP2 |
| 3UIO | A: | COMPLEX BETWEEN HUMAN RANGAP1-SUMO2, UBC9 AND THE IR1 DOMAIN FROM RANBP2 CONTAINING IR2 MOTIF II |
| 3UIP | A: | COMPLEX BETWEEN HUMAN RANGAP1-SUMO1, UBC9 AND THE IR1 DOMAIN FROM RANBP2 CONTAINING IR2 MOTIF II |