| BRCA1 | BRCAI | BRCC1 | IRIS | PSCP | RNF53 | breast cancer 1, early onset | Affinity Capture-Western | BioGRID | 17525332 |
| CCNA2 | CCN1 | CCNA | cyclin A2 | Affinity Capture-Western | BioGRID | 11931757 |
| CDC45L | CDC45 | CDC45L2 | PORC-PI-1 | CDC45 cell division cycle 45-like (S. cerevisiae) | Two-hybrid | BioGRID | 12614612 |
| CDC6 | CDC18L | HsCDC18 | HsCDC6 | cell division cycle 6 homolog (S. cerevisiae) | - | HPRD,BioGRID | 12614612 |
| CDK2 | p33(CDK2) | cyclin-dependent kinase 2 | - | HPRD | 15232106 |
| Biochemical Activity | BioGRID | 11931757 |
| DBF4 | ASK | CHIF | DBF4A | ZDBF1 | DBF4 homolog (S. cerevisiae) | - | HPRD,BioGRID | 12614612 |
| HBB | CD113t-C | hemoglobin, beta | Orc2 interacts with beta-globin origin. | BIND | 15910003 |
| LMNB2 | LAMB2 | LMN2 | MGC2721 | lamin B2 | Orc2 interacts with Lamin B2 origin. | BIND | 15910003 |
| MCM10 | CNA43 | DNA43 | MGC126776 | PRO2249 | minichromosome maintenance complex component 10 | - | HPRD,BioGRID | 11095689 |
| MCM2 | BM28 | CCNL1 | CDCL1 | D3S3194 | KIAA0030 | MGC10606 | MITOTIN | cdc19 | minichromosome maintenance complex component 2 | - | HPRD,BioGRID | 12614612 |
| MCM4 | CDC21 | CDC54 | MGC33310 | P1-CDC21 | hCdc21 | minichromosome maintenance complex component 4 | Two-hybrid | BioGRID | 12614612 |
| MCM5 | CDC46 | MGC5315 | P1-CDC46 | minichromosome maintenance complex component 5 | Two-hybrid | BioGRID | 12614612 |
| MCM6 | MCG40308 | Mis5 | P105MCM | minichromosome maintenance complex component 6 | Two-hybrid | BioGRID | 12614612 |
| MCM7 | CDABP0042 | CDC47 | MCM2 | P1.1-MCM3 | P1CDC47 | P85MCM | PNAS-146 | minichromosome maintenance complex component 7 | - | HPRD,BioGRID | 12614612 |
| MCM8 | C20orf154 | MGC119522 | MGC119523 | MGC12866 | MGC4816 | REC | dJ967N21.5 | minichromosome maintenance complex component 8 | MCM8 interacts with ORC2. | BIND | 15684404 |
| MYC | bHLHe39 | c-Myc | v-myc myelocytomatosis viral oncogene homolog (avian) | Ocr2 interacts with C-Myc origin. | BIND | 15910003 |
| ORC1L | HSORC1 | ORC1 | PARC1 | origin recognition complex, subunit 1-like (yeast) | - | HPRD,BioGRID | 11323433 |11779870
|
| ORC2L | ORC2 | origin recognition complex, subunit 2-like (yeast) | Two-hybrid | BioGRID | 12614612 |
| ORC3L | LAT | LATHEO | ORC3 | origin recognition complex, subunit 3-like (yeast) | - | HPRD,BioGRID | 10402192 |11323433 |11395502 |
| ORC4L | ORC4 | ORC4P | origin recognition complex, subunit 4-like (yeast) | Affinity Capture-Western Co-purification Reconstituted Complex Two-hybrid | BioGRID | 9353276 |11323433 |11395502 |12614612
|
| ORC5L | ORC5 | ORC5P | ORC5T | origin recognition complex, subunit 5-like (yeast) | Affinity Capture-Western Co-purification Reconstituted Complex Two-hybrid | BioGRID | 9765232 |11323433 |11395502 |12614612
|
| ORC6L | ORC6 | origin recognition complex, subunit 6 like (yeast) | - | HPRD,BioGRID | 11323433 |
| RPA1 | HSSB | REPA1 | RF-A | RP-A | RPA70 | replication protein A1, 70kDa | - | HPRD,BioGRID | 12614612 |
| RPA2 | REPA2 | RPA32 | replication protein A2, 32kDa | - | HPRD,BioGRID | 12614612 |
| XRCC5 | FLJ39089 | KARP-1 | KARP1 | KU80 | KUB2 | Ku86 | NFIV | X-ray repair complementing defective repair in Chinese hamster cells 5 (double-strand-break rejoining) | - | HPRD,BioGRID | 12393188 |