Enzyme - NAD(P)(+) transhydrogenase (Si-specific)

Alternative Name(s)
  • Nicotinamide nucleotide transhydrogenase.
  • Pyridine nucleotide transhydrogenase.
  • NAD(P)(+) transhydrogenase (B-specific).

Catalytic Activity




Reaction Mechanism

There are no Reaction Mechanism for this Enzyme

Reaction Parameters

  • Kinetic Parameters
    Organism KM Value [mM] Substrate Comment
    Escherichia coli 1940 thio-NAD+ at pH 7.5 and 35°C
  • Temperature
    Organism Temperature Range Comment
    Escherichia coli 20 - 45 more than 70% activity between 20 and 45°C
  • pH
    Organism pH Range Comment
    Escherichia coli 7 - 9 more than 50% activity between pH 7.0 and 9.0
    Azotobacter vinelandii 8.4 - 8.7 half maximal activity in this pH range in the absence of Ca2+ or Mg2+, no activity above

Associated Proteins

Protein name Organism
Probable soluble pyridine nucleotide transhydrogenase Mycobacterium bovis (strain ATCC BAA-935 / AF2122/97)
Soluble pyridine nucleotide transhydrogenase Escherichia coli (strain K12)
NAD(P)(+) transhydrogenase (B-specific) Sinorhizobium meliloti (strain BL225C)
Pyridine nucleotide transhydrogenase protein Rhizobium etli (strain CIAT 652)
LolC Pseudomonas fluorescens (strain F113)