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EC Tree

1 Oxidoreductases

6.1 Forming carbon-oxygen bonds

6.2 Forming carbon-sulfur bonds

6.3 Forming carbon-nitrogen bonds

6.3.1 Acid—ammonia (or amine) ligases (amide synthases)

6.3.2 Acid—amino-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 F₄₂₀-0:L-glutamate ligase

6.3.2.32 coenzyme γ-F₄₂₀-2:α-L-glutamate ligase

6.3.2.33 tetrahydrosarcinapterin synthase

6.3.2.34 coenzyme F₄₂₀-1: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 N²-citryl-N⁶-acetyl-N⁶-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 nitrogen—metal bonds

6.6.1 Forming coordination complexes

6.7 Forming nitrogen-nitrogen bonds

7 Translocases