The Enzyme Database

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EC 1.6.1.1     
Accepted name: NAD(P)+ transhydrogenase (Si-specific)
Reaction: NADPH + NAD+ = NADP+ + NADH
Other name(s): pyridine nucleotide transhydrogenase; transhydrogenase; NAD(P)+ transhydrogenase; nicotinamide adenine dinucleotide (phosphate) transhydrogenase; NAD+ transhydrogenase; NADH transhydrogenase; nicotinamide nucleotide transhydrogenase; NADPH-NAD+ transhydrogenase; pyridine nucleotide transferase; NADPH-NAD+ oxidoreductase; NADH-NADP+-transhydrogenase; NADPH:NAD+ transhydrogenase; H+-Thase; non-energy-linked transhydrogenase; NADPH:NAD+ oxidoreductase (B-specific); NAD(P)+ transhydrogenase (B-specific)
Systematic name: NADPH:NAD+ oxidoreductase (Si-specific)
Comments: The enzyme from Azotobacter vinelandii is a flavoprotein (FAD). It is Si-specific with respect to both NAD+ and NADP+. Also acts on deamino coenzymes [cf. EC 1.6.1.2 NAD(P)+ transhydrogenase (Re/Si-specific)].
Links to other databases: BRENDA, EXPASY, GTD, KEGG, MetaCyc, CAS registry number: 9014-18-0
References:
1.  Humphrey, G.F. The distribution and properties of transhydrogenase from animal tissues. Biochem. J. 65 (1957) 546–550. [PMID: 13412660]
2.  You, K.-S. Stereospecificity for nicotinamide nucleotides in enzymatic and chemical hydride transfer reactions. CRC Crit. Rev. Biochem. 17 (1985) 313–451. [PMID: 3157549]
[EC 1.6.1.1 created 1961, modified 1986, modified 2013]
 
 


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