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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)
6.3.2.1 pantoate—β-alanine ligase (AMP-forming)
6.3.2.2 glutamate—cysteine ligase
6.3.2.3 glutathione synthase
6.3.2.4
D
-alanine—
D
-alanine ligase
6.3.2.5 phosphopantothenate—cysteine ligase (CTP)
6.3.2.6 phosphoribosylaminoimidazolesuccinocarboxamide synthase
6.3.2.7 UDP-
N
-acetylmuramoyl-
L
-alanyl-
D
-glutamate—
L
-lysine ligase
6.3.2.8 UDP-
N
-acetylmuramate—
L
-alanine ligase
6.3.2.9 UDP-
N
-acetylmuramoyl-
L
-alanine—
D
-glutamate ligase
6.3.2.10 UDP-
N
-acetylmuramoyl-tripeptide—
D
-alanyl-
D
-alanine ligase
6.3.2.11 carnosine synthase
6.3.2.12 dihydrofolate synthase
6.3.2.13 UDP-
N
-acetylmuramoyl-
L
-alanyl-
D
-glutamate—2,6-diaminopimelate ligase
6.3.2.14 enterobactin synthase
6.3.2.15 created 1976, deleted 2002
6.3.2.16
D
-alanine—alanyl-poly(glycerolphosphate) ligase
6.3.2.17 tetrahydrofolate synthase
6.3.2.18 γ-glutamylhistamine synthase
6.3.2.19 ubiquitin—protein ligase
6.3.2.20 indoleacetate—lysine synthetase
6.3.2.21 ubiquitin—calmodulin ligase
6.3.2.22 diphthine—ammonia ligase
6.3.2.23 homoglutathione synthase
6.3.2.24 tyrosine—arginine ligase
6.3.2.25 tubulin—tyrosine ligase
6.3.2.26
N
-(5-amino-5-carboxypentanoyl)-
L
-cysteinyl-
D
-valine synthase
6.3.2.27 aerobactin synthase
6.3.2.28
L
-amino-acid α-ligase
6.3.2.29 cyanophycin synthase (
L
-aspartate-adding)
6.3.2.30 cyanophycin synthase (
L
-arginine-adding)
6.3.2.31 coenzyme F
420
-0:
L
-glutamate ligase
6.3.2.32 coenzyme γ-F
420
-2:α-
L
-glutamate ligase
6.3.2.33 tetrahydrosarcinapterin synthase
6.3.2.34 coenzyme F
420
-1:γ-
L
-glutamate ligase
6.3.2.35
D
-alanine—
D
-serine ligase
6.3.2.36 4-phosphopantoate—β-alanine ligase
6.3.2.37 UDP-
N
-acetylmuramoyl-
L
-alanyl-
D
-glutamate—
D
-lysine ligase
6.3.2.38
N
2
-citryl-
N
6
-acetyl-
N
6
-hydroxylysine synthase
6.3.2.39 aerobactin synthase
6.3.2.40 cyclopeptine synthase
6.3.2.41
N
-acetylaspartylglutamate synthase
6.3.2.42
N
-acetylaspartylglutamylglutamate synthase
6.3.2.43 [amino-group carrier protein]—
L
-2-aminoadipate ligase
6.3.2.44 pantoate—β-alanine ligase (ADP-forming)
6.3.2.45 UDP-
N
-acetylmuramate—
L
-alanyl-γ-
D
-glutamyl-
meso
-2,6-diaminoheptanedioate ligase
6.3.2.46 fumarate—(
S
)-2,3-diaminopropanoate ligase
6.3.2.47 dapdiamide synthase
6.3.2.48
L
-arginine-specific
L
-amino acid ligase
6.3.2.49
L
-alanine—
L
-anticapsin ligase
6.3.2.50 tenuazonic acid synthetase
6.3.2.51 phosphopantothenate—cysteine ligase (ATP)
6.3.2.52 jasmonoyl—
L
-amino acid ligase
6.3.2.53 UDP-
N
-acetylmuramoyl-
L
-alanine—
L
-glutamate ligase
6.3.2.54
L
-2,3-diaminopropanoate—citrate ligase
6.3.2.55 2-[(
L
-alanin-3-ylcarbamoyl)methyl]-3-(2-aminoethylcarbamoyl)-2-hydroxypropanoate synthase
6.3.2.56 staphyloferrin B synthase
6.3.2.57 staphyloferrin A synthase
6.3.2.58
D
-ornithine—citrate ligase
6.3.2.59 3-methyl-
D
-ornithine—
L
-lysine ligase
6.3.2.60 glutamate—[amino group carrier protein] ligase
6.3.2.61 tubulin-glutamate ligase
6.3.2.62 β-tubulin-glutamate ligase
6.3.3 Cyclo-ligases
6.3.4 Other carbon-nitrogen ligases
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