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NAD + to NADH. FMN to FMNH 2. CoQ to CoQH 2.. Complex I is the first enzyme of the mitochondrial electron transport chain.There are three energy-transducing enzymes in the electron transport chain - NADH:ubiquinone oxidoreductase (complex I), Coenzyme Q – cytochrome c reductase (complex III), and cytochrome c oxidase (complex IV). [1]
NADH + H + + acceptor ⇌ NAD + + reduced acceptor. NADH dehydrogenase is a flavoprotein that contains iron-sulfur centers. NADH dehydrogenase is used in the electron transport chain for generation of ATP. The EC term NADH dehydrogenase (quinone) (EC 1.6.5.11) is defined for NADH dehydrogenases that use a quinone (excluding ubiquinone) as the ...
MT-ND2 is located in mitochondrial DNA from base pair 4,470 to 5,511. [5] The MT-ND2 gene produces a 39 kDa protein composed of 347 amino acids. [10] [11] MT-ND2 is one of seven mitochondrial genes encoding subunits of the enzyme NADH dehydrogenase (ubiquinone), together with MT-ND1, MT-ND3, MT-ND4, MT-ND4L, MT-ND5, and MT-ND6.
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial is an enzyme that in humans is encoded by the NDUFB8 gene. [ 5 ] [ 6 ] NADH dehydrogenase (ubiquinone) 1 beta subcomplex subunit 8 is an accessory subunit of the NADH dehydrogenase (ubiquinone) complex, located in the mitochondrial inner membrane .
The MT-ND4L gene is located in human mitochondrial DNA from base pair 10,469 to 10,765. [5] [9] The MT-ND4L gene produces an 11 kDa protein composed of 98 amino acids.[10] [11] MT-ND4L is one of seven mitochondrial genes encoding subunits of the enzyme NADH dehydrogenase (ubiquinone), together with MT-ND1, MT-ND2, MT-ND3, MT-ND4, MT-ND5, and MT-ND6.
The NDUFA13 gene is located on the p arm of chromosome 19 in position 13.2 and spans 11,995 base pairs. [8] The gene produces a 17 kDa protein composed of 144 amino acids. [11] [12] NDUFA13 is a subunit of the enzyme NADH dehydrogenase (ubiquinone), the largest of the respiratory complexes.
NADH-coenzyme Q oxidoreductase, also known as NADH dehydrogenase or complex I, is the first protein in the electron transport chain. [18] Complex I is a giant enzyme with the mammalian complex I having 46 subunits and a molecular mass of about 1,000 kilodaltons (kDa). [ 19 ]
NADH dehydrogenase (ubiquinone) 1 beta subcomplex, 5, 16kDa is a protein that in humans is encoded by the NDUFAB1 gene. [4] The NDUFAB1 protein is a subunit of NADH dehydrogenase (ubiquinone) , which is located in the mitochondrial inner membrane and is the largest of the five complexes of the electron transport chain .