| MHR | major histocompatibility region; malignant hyperthermia resistance; maternal heart rate; maximal hea... |
|---|---|
| MR | Maddox rods; magnetic resistance; magnetic resonance; mandibular reflex; mannose-resistant; may repe... |
| NADH | reduced nicotinamide adenine dinucleotide |
| HbMet | methemoglobin |
| HiHb | hemiglobin (methemoglobin) |
| NADH-TR | NADH tetrazoleum reductase |
|---|---|
| MHB | Methemoglobin |
| HMG-CoA reductase | 3-Hydroxy-3-methylglutaryl CoA reductase |
| HMG-CoA reductase | 3-Hydroxy-3-methylglutaryl coenzyme A reductase |
| NADH | B-nicotinamide adenine dinucleotide |
| methemoglobin reductase | <enzyme> An erythrocyte enzyme which catalyses the reduction of methemoglobin (ferrihemoglobin) to haemoglobin (ferrohemoglobin). Deficiency produces the inherited disease familial methemoglobinaemia. In the absence of methemoglobin, the enzyme can also reduce methylene blue. Registry number: EC 1.6.- (12 Dec 1998) |
|---|---|
| sodium-translocating NADH-quinone reductase | <enzyme> From vibrio alginolyticus; na+ dependent activation is located in the NADH-quinone reductase segment; reduces ubiquinone-1 to ubisemiquinones or ubiquinol; strongly inhibited by 2-n-heptyl-4-hydroxyquinoline n-oxide; do not confuse with sodium independent NADH-quinone reductase EC 1.6.99.2 Registry number: EC 1.6.5.- Synonym: nqr-1, na-translocating NADH-quinone reductase, nqr gene product (26 Jun 1999) |
| NADH-cytochrome P-450 reductase | <enzyme> A component of the cytochrome p-450sca monoxygenase system Registry number: EC 1.6.2.- (26 Jun 1999) |
| NADH-dependent hydroxypyruvate reductase | <enzyme> Photorespiratory enzyme localised in leaf peroxisomes; from cucumber cotyledons Registry number: EC 1.1.1.- Synonym: ndh-reductase (26 Jun 1999) |
| NADH-hydroxylamine reductase | <enzyme> An enzyme catalyzing the reaction of hydroxylamine and NADH to form ammonia, NAD+, and water; used in a number of clinical assays. (05 Mar 2000) |
| NADH-methyl viologen reductase | <enzyme> Fad-protein from rhodospirillum rubrum which also reduces methylene blue and 2,6-dichlorophenol-indophenol Registry number: EC 1.6.- (26 Jun 1999) |
| NADH sennidin reductase | <enzyme> Reduces the dianthrones senniden or sennoside to rheinanthrone or 8-glucosylrheinanthrone respectively Registry number: EC 1.- Synonym: sennoside reductase (26 Jun 1999) |
| NADH tetrazolium reductase | <enzyme> Catalyses the reduction of tetrazolium compounds in the presence of NADH. Registry number: EC 1.6.- (12 Dec 1998) |
| methemoglobin | Haemoglobin in a form incapable of carrying oxygen. (12 Dec 1998) |
| cyanide methemoglobin | A relatively nontoxic compound of cyanide with methemoglobin, which is formed when methylene blue is administered in cases of cyanide poisoning. Synonym: cyanide methemoglobin. (05 Mar 2000) |
| aromatic NADH-dependent nitroreductase | <enzyme> See also record for 1-nitroreductase; type I nitroreductase is not inhibited by oxygen Registry number: EC 1.- Synonym: nitrofuran reductase, nitrofurazone reductase, type I nitroreductases, NADH-dependent nitro reductase, nitrofurantoin reductase, p-dinitrobenzene reductase, benznidazole nitroreductase, nifurtimox nitroreductase, oxygen-insensitive NADPH nitroreductase, nitrobenzene nitroreductase (26 Jun 1999) |
| NADH | <abbreviation> Nicotinamide adenine dinucleotide (reduced form). (05 Mar 2000) |
| NADH dehydrogenase | <enzyme> A flavoprotein containing iron. Cytochrome c may act as receptor. The enzyme reversibly catalyses the oxidation of NADH to NAD and reduced acceptor. An inherited deficiency of this complex results in overwhelming acidosis. Synonym: cytochrome c reductase. Chemical name: NADH:(acceptor) oxidoreductase Registry number: EC 1.6.99.3 (12 Dec 1998) |
| NADH-Fe(III)EDTA oxidoreductase | <enzyme> From cryptococcus albidus; catalyses the formation of nad+ and fe(ii)edta from NADH and fe(iii)edta; forms ethylene from 2-oxo-4-methylthiobutyric acid Registry number: EC 1.6.99.- (26 Jun 1999) |
| NADH-hypothiocyanite oxidoreductase | <enzyme> Catalyses reduction of hypothiocyanite to thiocyanate; isolated from streptococcus sanguis Registry number: EC 1.6.99.- Synonym: nhor enzyme (26 Jun 1999) |
| NADH methemoglobin reductase |
cytochrome-b5 reductase.
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