| Description | NADH:ubiquinone oxidoreductase (complex I) ( ) is a respiratory-chain enzyme that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane (NADH + ubiquinone = NAD+ + ubiquinol) [ ]. Complex I is a major source of reactive oxygen species (ROS) that are predominantly formed by electron transfer from FMNH(2). Complex I is found in bacteria, cyanobacteria (as a NADH-plastoquinone oxidoreductase), archaea [], mitochondria, and in the hydrogenosome, a mitochondria-derived organelle. In general, the bacterial complex consists of 14 different subunits, while the mitochondrial complex contains homologues to these subunits in addition to approximately 31 additional proteins [].This family contains the accessory subunit of complex I NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4 NDUFB4, not involved in catalysis []. | Name | NADH:ubiquinone oxidoreductase, subunit NDUFB4 |
| Short Name | NADH_UbQ_OxRdtase_NDUFB4_su | Type | Family |
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