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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 1.7
    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 1.20.1
      EC 1.20.4
      EC 1.20.98
      EC 1.20.99
    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 1.20. Acting on donors containing arsenic or phosphorus

EC 1.20 subclass definition

The EC 1.20 subclass contains oxidoreductases which act on donors containing Arsenic or Phosphorus. Further classification is based on acceptor used in catalysis.

Further classification of EC 1.20 subclass

Further classification is based on acceptor used in catalysis

EC 1.20.1 - Acceptors are NAD⁺ or NADP⁺
EC 1.20.4 - Acceptor is disulfide
EC 1.20.98 - All other known acceptors
EC 1.20.99 - All other acceptors, also reserved for non classified enzymes