text: The following is a list of humans genes that encode components of complex I:
  * NADH dehydrogenase (ubiquinone) 1 alpha subcomplex
  ** NDUFA1 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 1, 7.5kDa
  ** NDUFA2 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 2, 8kDa
  ** NDUFA3 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 3, 9kDa
  ** NDUFA4 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 4, 9kDa - recently described to be part of complex IV
  ** NDUFA4L – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 4-like
  ** NDUFA4L2 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 4-like 2
  ** NDUFA5 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 5, 13kDa
  ** NDUFA6 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 6, 14kDa
  ** NDUFA7 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 7, 14.5kDa
  ** NDUFA8 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 8, 19kDa
  ** NDUFA9 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 9, 39kDa
  ** NDUFA10 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 10, 42kDa
  ** NDUFA11 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 11, 14.7kDa
  ** NDUFA12 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 12
  ** NDUFA13 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 13
  ** NDUFAB1 – NADH dehydrogenase (ubiquinone) 1, alpha/beta subcomplex, 1, 8kDa
  ** NDUFAF1 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, assembly factor 1
  ** NDUFAF2 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, assembly factor 2
  ** NDUFAF3 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, assembly factor 3
  ** NDUFAF4 – NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, assembly factor 4
  * NADH dehydrogenase (ubiquinone) 1 beta subcomplex
  ** NDUFB1 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 1, 7kDa
  ** NDUFB2 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 2, 8kDa
  ** NDUFB3 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 3, 12kDa
  ** NDUFB4 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 4, 15kDa
  ** NDUFB5 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 5, 16kDa
  ** NDUFB6 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 6, 17kDa
  ** NDUFB7 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 7, 18kDa
  ** NDUFB8 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 8, 19kDa
  ** NDUFB9 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 9, 22kDa
  ** NDUFB10 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 10, 22kDa
  ** NDUFB11 – NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 11, 17.3kDa
  *  NADH dehydrogenase (ubiquinone) 1, subcomplex unknown
  ** NDUFC1 – NADH dehydrogenase (ubiquinone) 1, subcomplex unknown, 1, 6kDa
  ** NDUFC2 – NADH dehydrogenase (ubiquinone) 1, subcomplex unknown, 2, 14.5kDa
  * NADH dehydrogenase (ubiquinone) Fe-S protein
  ** NDUFS1 – NADH dehydrogenase (ubiquinone) Fe-S protein 1, 75kDa (NADH-coenzyme Q reductase)
  ** NDUFS2 – NADH dehydrogenase (ubiquinone) Fe-S protein 2, 49kDa (NADH-coenzyme Q reductase)
  ** NDUFS3 – NADH dehydrogenase (ubiquinone) Fe-S protein 3, 30kDa (NADH-coenzyme Q reductase)
  ** NDUFS4 – NADH dehydrogenase (ubiquinone) Fe-S protein 4, 18kDa (NADH-coenzyme Q reductase)
  ** NDUFS5 – NADH dehydrogenase (ubiquinone) Fe-S protein 5, 15kDa (NADH-coenzyme Q reductase)
  ** NDUFS6 – NADH dehydrogenase (ubiquinone) Fe-S protein 6, 13kDa (NADH-coenzyme Q reductase)
  ** NDUFS7 – NADH dehydrogenase (ubiquinone) Fe-S protein 7, 20kDa (NADH-coenzyme Q reductase)
  ** NDUFS8 – NADH dehydrogenase (ubiquinone) Fe-S protein 8, 23kDa (NADH-coenzyme Q reductase)
  * NADH dehydrogenase (ubiquinone) flavoprotein 1
  ** NDUFV1 – NADH dehydrogenase (ubiquinone) flavoprotein 1, 51kDa
  ** NDUFV2 – NADH dehydrogenase (ubiquinone) flavoprotein 2, 24kDa
  ** NDUFV3 – NADH dehydrogenase (ubiquinone) flavoprotein 3, 10kDa
  * mitochondrially encoded NADH dehydrogenase subunit
  ** MT-ND1 - mitochondrially encoded NADH dehydrogenase subunit 1
  ** MT-ND2 - mitochondrially encoded NADH dehydrogenase subunit 2
  ** MT-ND3 - mitochondrially encoded NADH dehydrogenase subunit 3
  ** MT-ND4 - mitochondrially encoded NADH dehydrogenase subunit 4
  ** MT-ND4L - mitochondrially encoded NADH dehydrogenase subunit 4L
  ** MT-ND5 - mitochondrially encoded NADH dehydrogenase subunit 5
  ** MT-ND6 - mitochondrially encoded NADH dehydrogenase subunit 6