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Enzymes
  Enzyme classes:
  EC 1: Oxidoreductases
    EC 1.1
    EC 1.2
    EC 1.3
    EC 1.4
    EC 1.5
    EC 1.6
      EC 1.6.1
      EC 1.6.2
      EC 1.6.3
      EC 1.6.4
      EC 1.6.5
      EC 1.6.6
      EC 1.6.7
      EC 1.6.8
      EC 1.6.99
    EC 1.7
    EC 1.8
    EC 1.9
    EC 1.10
    EC 1.11
    EC 1.12
    EC 1.13
    EC 1.14
    EC 1.15
    EC 1.16
    EC 1.17
    EC 1.18
    EC 1.19
    EC 1.20
    EC 1.21
    EC 1.97
    EC 1.98
    EC 1.99
  EC 2: Transferases
  EC 3: Hydrolases
  EC 4: Lyases
  EC 5: Isomerases
  EC 6: Ligases
  General information:
  Catalytic mechanism
  Enzyme kinetics
  Inhibitors
  Enzymes in industry

EC 1.6. Dehydrogenases that act on NADH or NADPH

EC 1.6 subclass definition

The EC 1.6 subclass contains dehydrogenases that acts on NADH or NADPH. The catalytically important is reverse reaction - reduction of the substrate with NAD⁺ or NADP⁺ acceptors and therefore many enzymes from EC 1.6 subclass are reclassified for aforementioned reverse reaction - reduction of the substrates with NAD⁺ or NADP⁺ acceptors. Further classification is based on acceptors involved in catalysis.

Further classification of EC 1.6 subclass

This classification is based on acceptors involved in catalysis.

EC 1.6.1 - Acceptors are NAD⁺ or NADP⁺
EC 1.6.2 - Acceptor is heme protein
EC 1.6.3 - Acceptor is oxygen
EC 1.6.4 - Acceptor is disulfide
EC 1.6.5 - Acceptor is quinone or similar compaund
EC 1.6.6 - Acceptor is nitrogenous group
EC 1.6.7 - Acceptor is iron-sulfur protein
EC 1.6.8 - Acceptor is flavin
EC 1.6.99 - All other acceptors, also reserved for non classified enzymes