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Enzymes
  Enzyme classes:
  EC 1: Oxidoreductases
    EC 1.1
    EC 1.2
      EC 1.2.1
      EC 1.2.2
      EC 1.2.3
      EC 1.2.4
      EC 1.2.7
      EC 1.2.99
    EC 1.3
    EC 1.4
    EC 1.5
    EC 1.6
    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 1.2. Dehydrogenases that act on aldehyde or oxo- group of donors

EC 1.2 subclass definition

The EC 1.2 subclass contains dehydrogenases that act on donors with oxo- or aldehyde group. Enzymes from this subclass oxidise aldehydes to the corresponding acids. If this acid is subsequently phosphorilated or acetylates CoA, this should be indicated in parentheses. Oxo- groups are oxidized with the addition of a water molecule. Further classification is based on acceptors involved in catalysis.

Further classification of EC 1.2. subclass

This classification is based on acceptors involved in catalysis.

EC 1.2.1 - Acceptors are NAD⁺ or NADP⁺
EC 1.2.2 - Acceptor is cytochrome
EC 1.2.3 - Acceptor is oxygen
EC 1.2.4 - Acceptor is disulfide
EC 1.2.7 - Acceptor is iron-sulfur protein
EC 1.2.99 - All other acceptors, also reserved for non classified enzymes