| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P48305 | NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4; Complex I-B15; CI-B15; NADH-ubiquinone oxidoreductase B15 subunit; | NDUFB4; | NP_787016.1; | 129 | cow |
| Q02380 | NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrial; Complex I-SGDH; CI-SGDH; NADH-ubiquinone oxidoreductase SGDH subunit; | NDUFB5; | NP_788829.1; | 189 | cow |
| Q02367 | NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6; Complex I-B17; CI-B17; NADH-ubiquinone oxidoreductase B17 subunit; | NDUFB6; | NP_786981.1; | 128 | cow |
| Q02368 | NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7; Complex I-B18; CI-B18; NADH-ubiquinone oxidoreductase B18 subunit; | NDUFB7; | NP_788833.1; | 137 | cow |
| Q02372 | NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial; Complex I-ASHI; CI-ASHI; NADH-ubiquinone oxidoreductase ASHI subunit; | NDUFB8; | NP_777092.1; | 186 | cow |
| Q02369 | NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9; Complex I-B22; CI-B22; NADH-ubiquinone oxidoreductase B22 subunit; | NDUFB9; UQOR22; | NP_786977.1; | 179 | cow |
| Q02373 | NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10; Complex I-PDSW; CI-PDSW; NADH-ubiquinone oxidoreductase PDSW subunit; | NDUFB10; | NP_787012.1; | 176 | cow |
| Q8HXG5 | NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial; Complex I-ESSS; CI-ESSS; NADH-ubiquinone oxidoreductase ESSS subunit; | NDUFB11; | NP_001028792.1; | 154 | cow |
| Q02376 | NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial; Complex I-KFYI; CI-KFYI; NADH-ubiquinone oxidoreductase KFYI subunit; | NDUFC1; | NP_776989.1;XP_005217593.1; | 76 | cow |
| Q02827 | NADH dehydrogenase [ubiquinone] 1 subunit C2; Complex I-B14.5b; CI-B14.5b; NADH-ubiquinone oxidoreductase subunit B14.5b; | NDUFC2; | NP_788815.1; | 120 | cow |
| Q2HJI2 | NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 3; | NDUFAF3; | NP_001039570.1;XP_005222834.1;XP_005222835.1;XP_005222836.1; | 184 | cow |
| A4FUH5 | NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 4; Hormone-regulated proliferation-associated protein of 20 kDa; | NDUFAF4; HRPAP20; | NP_001076985.1; | 175 | cow |
| A7YVD7 | NADH dehydrogenase (ubiquinone) complex I, assembly factor 6; | NDUFAF6; | NP_001098859.1; | 333 | cow |
| Q2KHV5 | NADH dehydrogenase [ubiquinone] complex I, assembly factor 7; Protein midA homolog, mitochondrial; | NDUFAF7; | NP_001094519.2; | 441 | cow |
| P15690 | NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial; EC 1.6.5.3; EC 1.6.99.3; Complex I-75kD; CI-75kD; | NDUFS1; | NP_777245.1;XP_005202770.1;XP_005202771.1; | 727 | cow |
| P17694 | NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial; EC 1.6.5.3; EC 1.6.99.3; Complex I-49kD; CI-49kD; NADH-ubiquinone oxidoreductase 49 kDa subunit; | NDUFS2; | NP_001068605.1; | 463 | cow |
| P23709 | NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial; EC 1.6.5.3; EC 1.6.99.3; Complex I-30kD; CI-30kD; NADH-ubiquinone oxidoreductase 30 kDa subunit; | NDUFS3; | NP_777244.1; | 266 | cow |
| Q02375 | NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial; Complex I-18 kDa; CI-18 kDa; Complex I-AQDQ; CI-AQDQ; NADH-ubiquinone oxidoreductase 18 kDa subunit; | NDUFS4; | NP_786994.1; | 175 | cow |
| Q02379 | NADH dehydrogenase [ubiquinone] iron-sulfur protein 5; Complex I-15 kDa; CI-15 kDa; NADH-ubiquinone oxidoreductase 15 kDa subunit; | NDUFS5; | NP_788825.1; | 106 | cow |
| P23934 | NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial; Complex I-13kD-A; CI-13kD-A; NADH-ubiquinone oxidoreductase 13 kDa-A subunit; | NDUFS6; | NP_787004.1; | 124 | cow |
