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Enzymes
  Enzyme classes:
  EC 1: Oxidoreductases
  EC 2: Transferases
  EC 3: Hydrolases
  EC 4: Lyases
  EC 5: Isomerases
  EC 6: Ligases
    EC 6.1
    EC 6.2
    EC 6.3
      EC 6.3.1
      EC 6.3.2
      EC 6.3.3
      EC 6.3.4
        EC 6.3.4.1
        EC 6.3.4.2
        EC 6.3.4.3
        EC 6.3.4.4
        EC 6.3.4.5
        EC 6.3.4.6
        EC 6.3.4.7
        EC 6.3.4.8
        EC 6.3.4.9
        EC 6.3.4.10
        EC 6.3.4.11
        EC 6.3.4.12
        EC 6.3.4.13
        EC 6.3.4.14
        EC 6.3.4.15
        EC 6.3.4.16
        EC 6.3.4.17
        EC 6.3.4.18
      EC 6.3.5
    EC 6.4
    EC 6.5
    EC 6.6
  General information:
  Catalytic mechanism
  Enzyme kinetics
  Inhibitors
  Enzymes in industry

EC 6.3.4, All other carbon- nitrogen ligases

EC 6.3.4 sub-subclass definition

EC 6.3.4 sub-subclass contains All other carbon-nitrogen ligases. IUBMB Enzyme Nomenclature. More obviously to use EC 6.3.99 for this group of enzymes, but historically this sub-subclass was studied before EC 6.3.5.

Members of EC 6.3.4 sub-subclass

EC 6.3.4.1 - xanthosine-5'-phosphate:ammonia ligase (AMP-forming)
EC 6.3.4.2 - UTP:ammonia ligase (ADP-forming)
EC 6.3.4.3 - formate:tetrahydrofolate ligase (ADP-forming)
EC 6.3.4.4 - IMP:L-aspartate ligase (GDP-forming)
EC 6.3.4.5 - L-citrulline:L-aspartate ligase (AMP-forming)
EC 6.3.4.6 - urea:carbon-dioxide ligase (ADP-forming)
EC 6.3.4.7 - ribose-5-phosphate:ammonia ligase (ADP-forming)
EC 6.3.4.8 - imidazoleacetate:5-phosphoribosyl-diphosphate ligase (ADP- and diphosphate-forming)
EC 6.3.4.9 - biotin:apo[methylmalonyl-CoA:pyruvate carboxytransferase] ligase (AMP-forming)
EC 6.3.4.10 - biotin:apo-[propanoyl-CoA:carbon-dioxide ligase (ADP-forming)] ligase (AMP-forming)
EC 6.3.4.11 - biotin:apo-[3-methylcrotonoyl-CoA:carbon-dioxide ligase (ADP-forming)] ligase (AMP-forming)
EC 6.3.4.12 - L-glutamate:methylamine ligase (ADP-forming)
EC 6.3.4.13 - 5-phospho-D-ribosylamine:glycine ligase (ADP-forming)
EC 6.3.4.14 - biotin-carboxyl-carrier-protein:carbon-dioxide ligase (ADP-forming)
EC 6.3.4.15 - biotin:apo-[acetyl-CoA:carbon-dioxide ligase (ADP-forming)] ligase (AMP-forming)
EC 6.3.4.16 - carbon-dioxide:ammonia ligase (ADP-forming, carbamate-phosphorylating)
EC 6.3.4.17 - formate:dihydrofolate ligase (ADP-forming)
EC 6.3.4.18 - 5-amino-1-(5-phospho-D-ribosyl)imidazole:carbon-dioxide ligase (ADP-forming)