| Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| A, B, C | ATP SYNTHASE SUBUNIT ALPHA HEART ISOFORM, MITOCHONDRIAL | polymer | 553 | 59795.5 | 3 | | BOS TAURUS (BOVINE)@PDBj | F1-ATPASE ALPHA SUBUNIT |
| D, E, F | ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL | polymer | 528 | 56340.2 | 3 | | BOS TAURUS (BOVINE)@PDBj | F1-ATPASE BETA SUBUNIT |
| G | ATP SYNTHASE SUBUNIT GAMMA, MITOCHONDRIAL | polymer | 298 | 33119.0 | 1 | | BOS TAURUS (BOVINE)@PDBj | F1-ATPASE GAMMA SUBUNIT |
| H | F1-ATPASE DELTA SUBUNIT | polymer | 168 | 17627.0 | 1 | | BOS TAURUS (BOVINE)@PDBj | |
| I | ATP SYNTHASE SUBUNIT EPSILON, MITOCHONDRIAL | polymer | 51 | 5793.9 | 1 | | BOS TAURUS (BOVINE)@PDBj | F1-ATPASE EPSILON SUBUNIT |
