| Protein Structure - PDB |
| UniProt ID | PDB ID | Strain | Moleculel | Fragment |
| P55036 | 5t0i | b | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 2 | |
| P55036 | 1p9c | A | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4 | C-TERMINAL UBIQUITIN-INTERACTING MOTIF |
| P55036 | 5gjr | AA, W | | |
| P55036 | 1uel | B | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4 | UBIQUITIN-INTERACTING MOTIF (RESIDUES 201-248) |
| P55036 | 1yx6 | A | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4 | POLYUBIQUITIN BINDING REGION OF S5A |
| P55036 | 1yx4 | A | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4 | (POLY)UBIQUITIN BINDING REGION |
| P55036 | 5t0j | b | 26S PROTEASOME COMPLEX SUBUNIT DSS1 | |
| P55036 | 2kdf | A | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4 | UNP RESIDUES 196-306, S5A FRAGMENT |
| P55036 | 2kde | A | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4 | UNP RESIDUES 196-306, S5A FRAGMENT |
| P55036 | 1p9d | S | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4 | C-TERMINAL UBIQUITIN-INTERACTING MOTIF, PUBS2 |
| P55036 | 1yx5 | A | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4 | POLYUBIQUITIN BINDING REGION OF S5A |
| P55036 | 5t0g | b | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 2 | |
| P55036 | 5t0c | Ab, Bb | | |
| P55036 | 5t0h | b | 26S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 2 | |