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EC Explorer
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EC Tree
1 Oxidoreductases
2 Transferases
3 Hydrolases
4 Lyases
5 Isomerases
6 Ligases
6.1 Forming carbon-oxygen bonds
6.2 Forming carbon-sulfur bonds
6.3 Forming carbon-nitrogen bonds
6.3.1 Acidammonia (or amine) ligases (amide synthases)
6.3.2 Acidamino-acid ligases (peptide synthases)
6.3.3 Cyclo-ligases
6.3.4 Other carbon-nitrogen ligases
6.3.4.1 GMP synthase
6.3.4.2 CTP synthase (glutamine hydrolysing)
6.3.4.3 formate—tetrahydrofolate ligase
6.3.4.4 adenylosuccinate synthase
6.3.4.5 argininosuccinate synthase
6.3.4.6 urea carboxylase
6.3.4.7 ribose-5-phosphate—ammonia ligase
6.3.4.8 imidazoleacetate—phosphoribosyldiphosphate ligase
6.3.4.9 biotin—[methylmalonyl-CoA-carboxytransferase] ligase
6.3.4.10 biotin—[propionyl-CoA-carboxylase (ATP-hydrolysing)] ligase
6.3.4.11 biotin—[methylcrotonoyl-CoA-carboxylase] ligase
6.3.4.12 glutamate—methylamine ligase
6.3.4.13 phosphoribosylamine—glycine ligase
6.3.4.14 biotin carboxylase
6.3.4.15 biotin—[biotin carboxyl-carrier protein] ligase
6.3.4.16 carbamoyl-phosphate synthase (ammonia)
6.3.4.17 formate—dihydrofolate ligase
6.3.4.18 5-(carboxyamino)imidazole ribonucleotide synthase
6.3.4.19 tRNA
Ile
-lysidine synthase
6.3.4.20 7-cyano-7-deazaguanine synthase
6.3.4.21 nicotinate phosphoribosyltransferase
6.3.4.22 tRNA
Ile
2
-agmatinylcytidine synthase
6.3.4.23 formate—phosphoribosylaminoimidazolecarboxamide ligase
6.3.4.24 tyramine—
L
-glutamate ligase
6.3.4.25 2-amino-2′-deoxyadenylo-succinate synthase
6.3.5 Carbon-nitrogen ligases with glutamine as amido-N-donor
6.4 Forming carbon-carbon bonds
6.5 Forming phosphoric-ester bonds
6.6 Forming nitrogenmetal bonds
6.7 Forming nitrogen-nitrogen bonds
7 Translocases
7.1 Catalysing the translocation of hydrons
7.2 Catalysing the translocation of inorganic cations
7.3 Catalysing the translocation of inorganic anions and their chelates
7.4 Catalysing the translocation of amino acids and peptides
7.5 Catalysing the translocation of carbohydrates and their derivatives
7.6 Catalysing the translocation of other compounds