| ATF7IP | FLJ10139 | FLJ10688 | MCAF | p621 | activating transcription factor 7 interacting protein | - | HPRD | 10777215 |
| IRF1 | IRF-1 | MAR | interferon regulatory factor 1 | Rbp4 interacts with IRF-1 promoter. | BIND | 15893730 |
| Rbp4 interacts with IRF-1. | BIND | 15893730 |
| MED10 | L6 | MGC5309 | NUT2 | TRG20 | mediator complex subunit 10 | Affinity Capture-MS | BioGRID | 15175163 |
| MED19 | DT2P1G7 | LCMR1 | mediator complex subunit 19 | Affinity Capture-MS | BioGRID | 15175163 |
| MED26 | CRSP7 | CRSP70 | mediator complex subunit 26 | Affinity Capture-MS | BioGRID | 15175163 |
| MED28 | 1500003D12Rik | DKFZp434N185 | EG1 | magicin | mediator complex subunit 28 | Affinity Capture-MS | BioGRID | 15175163 |
| MED29 | DKFZp434H247 | IXL | mediator complex subunit 29 | Affinity Capture-MS | BioGRID | 15175163 |
| MED9 | FLJ10193 | MED25 | MGC138234 | mediator complex subunit 9 | Affinity Capture-MS | BioGRID | 15175163 |
| POLR2A | MGC75453 | POLR2 | POLRA | RPB1 | RPBh1 | RPO2 | RPOL2 | RpIILS | hRPB220 | hsRPB1 | polymerase (RNA) II (DNA directed) polypeptide A, 220kDa | hRPB4 interacts with hRPB1. | BIND | 10567706 |
| POLR2B | POL2RB | RPB2 | hRPB140 | hsRPB2 | polymerase (RNA) II (DNA directed) polypeptide B, 140kDa | hRPB4 interacts with hRPB2. | BIND | 10567706 |
| POLR2C | RPB3 | RPB31 | hRPB33 | hsRPB3 | polymerase (RNA) II (DNA directed) polypeptide C, 33kDa | hRPB4 interacts with hRPB3. | BIND | 10567706 |
| POLR2D | HSRBP4 | HSRPB4 | RBP4 | polymerase (RNA) II (DNA directed) polypeptide D | hRPB4 interacts weakly with hRPB4. | BIND | 10567706 |
| POLR2E | RPABC1 | RPB5 | XAP4 | hRPB25 | hsRPB5 | polymerase (RNA) II (DNA directed) polypeptide E, 25kDa | hRPB4 interacts weakly with hRPB5. | BIND | 10567706 |
| POLR2G | MGC138367 | MGC138369 | RPB7 | hRPB19 | hsRPB7 | polymerase (RNA) II (DNA directed) polypeptide G | - | HPRD | 9528765 |
| hRPB4 interacts with hRPB7. | BIND | 10567706 |
| POLR2H | RPABC3 | RPB17 | RPB8 | hsRPB8 | polymerase (RNA) II (DNA directed) polypeptide H | hRPB4 interacts weakly with hRPB8. | BIND | 10567706 |
| POLR2K | ABC10-alpha | RPABC4 | RPB10alpha | RPB12 | RPB7.0 | hRPB7.0 | hsRPB10a | polymerase (RNA) II (DNA directed) polypeptide K, 7.0kDa | hRPB4 interacts weakly with hRPB10-alpha. | BIND | 10567706 |
| POLR2L | RBP10 | RPABC5 | RPB10 | RPB10beta | RPB7.6 | hRPB7.6 | hsRPB10b | polymerase (RNA) II (DNA directed) polypeptide L, 7.6kDa | hRPB4 interacts with hRPB10-beta. | BIND | 10567706 |
| XRCC5 | FLJ39089 | KARP-1 | KARP1 | KU80 | KUB2 | Ku86 | NFIV | X-ray repair complementing defective repair in Chinese hamster cells 5 (double-strand-break rejoining) | Affinity Capture-Western | BioGRID | 12393188 |