| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P19516 | Cytochrome c oxidase assembly protein COX11, mitochondrial; | COX11; YPL132W; | NP_015193.1; | 300 | yeast |
| Q01519 | Cytochrome c oxidase subunit 6B; EC 1.9.3.1; Cytochrome c oxidase polypeptide VIb; | COX12; YLR038C; | NP_013139.1; | 83 | yeast |
| P32799 | Cytochrome c oxidase subunit 6A, mitochondrial; EC 1.9.3.1; Cytochrome c oxidase polypeptide VIa; | COX13; YGL191W; | NP_011324.1; | 129 | yeast |
| P39103 | Cytochrome c oxidase assembly protein COX14; | COX14; YML129C; | NP_013577.1; | 70 | yeast |
| P40086 | Cytochrome c oxidase assembly protein COX15; | COX15; YER141W; | NP_011068.1; | 486 | yeast |
| P47081 | Cytochrome c oxidase assembly protein COX16, mitochondrial; | COX16; YJL003W; | NP_012531.1; | 118 | yeast |
| Q12287 | Cytochrome c oxidase copper chaperone; | COX17; YLL009C; | NP_013092.1; | 69 | yeast |
| P53239 | Mitochondrial inner membrane protein COX18; Cytochrome c oxidase assembly protein 18; | COX18; YGR062C; | NP_011576.1; | 316 | yeast |
| Q3E731 | Cytochrome c oxidase assembly protein COX19; | COX19; YLL018C-A; | NP_013082.1; | 98 | yeast |
| P00401 | Cytochrome c oxidase subunit 1; EC 1.9.3.1; Cytochrome c oxidase polypeptide I; | COX1; OXI3; Q0045; | NP_009305.1; | 534 | yeast |
| Q04935 | Cytochrome c oxidase protein 20, mitochondrial; | COX20; YDR231C; | NP_010517.1; | 205 | yeast |
| P38824 | Cytochrome c oxidase-assembly factor COX23, mitochondrial; | COX23; YHR116W; | NP_011984.1; | 151 | yeast |
| P32344 | Mitochondrial mRNA-processing protein COX24; | QRI5; COX24; YLR204W; | NP_013305.1; | 111 | yeast |
| P00410 | Cytochrome c oxidase subunit 2; EC 1.9.3.1; Cytochrome c oxidase polypeptide II; | COX2; OXI1; Q0250; | NP_009326.1; | 251 | yeast |
| P00420 | Cytochrome c oxidase subunit 3; EC 1.9.3.1; Cytochrome c oxidase polypeptide III; | COX3; OXI2; Q0275; | NP_009328.1; | 269 | yeast |
| P04037 | Cytochrome c oxidase subunit 4, mitochondrial; EC 1.9.3.1; Cytochrome c oxidase polypeptide IV; | COX4; YGL187C; | NP_011328.1; | 155 | yeast |
| P00424 | Cytochrome c oxidase polypeptide 5A, mitochondrial; EC 1.9.3.1; Cytochrome c oxidase polypeptide Va; | COX5A; YNL052W; | NP_014346.1; | 153 | yeast |
| P00425 | Cytochrome c oxidase polypeptide 5B, mitochondrial; EC 1.9.3.1; Cytochrome c oxidase polypeptide Vb; | COX5B; YIL111W; | NP_012155.1; | 151 | yeast |
| P00427 | Cytochrome c oxidase subunit 6, mitochondrial; EC 1.9.3.1; Cytochrome c oxidase polypeptide VI; | COX6; YHR051W; | NP_011918.1; | 148 | yeast |
| P10174 | Cytochrome c oxidase subunit 7; EC 1.9.3.1; Cytochrome c oxidase polypeptide VII; | COX7; YMR256C; | NP_013983.1; | 60 | yeast |
