Ligases
Forming carbon-nitrogen bonds
The following ENZYME entries belong to class 6.3.-.-:
6.3.1.1 Aspartate--ammonia ligase 6.3.1.2 Glutamine synthetase 6.3.1.3 Transferred entry: 6.3.4.13 6.3.1.4 Aspartate--ammonia ligase (ADP-forming) 6.3.1.5 NAD(+) synthase 6.3.1.6 Glutamate--ethylamine ligase 6.3.1.7 4-methyleneglutamate--ammonia ligase 6.3.1.8 Glutathionylspermidine synthase 6.3.1.9 Trypanothione synthase 6.3.1.10 Adenosylcobinamide-phosphate synthase 6.3.1.11 Glutamate--putrescine ligase 6.3.1.12 D-aspartate ligase 6.3.1.13 L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-glucopyranoside ligase 6.3.1.14 Diphthine--ammonia ligase 6.3.1.15 8-demethylnovobiocic acid synthase 6.3.1.16 Transferred entry: 6.3.3.6 6.3.1.17 Beta-citrylglutamate synthase 6.3.1.18 Gamma-glutamylanilide synthase 6.3.1.19 Prokaryotic ubiquitin-like protein ligase 6.3.1.20 Lipoate--protein ligase 6.3.2.1 Pantoate--beta-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 Transferred entry: 6.3.2.10 6.3.2.16 D-alanine--alanyl-poly(glycerolphosphate) ligase 6.3.2.17 Tetrahydrofolate synthase 6.3.2.18 Gamma-glutamylhistamine synthase 6.3.2.19 Transferred entry: 2.3.2.23, 2.3.2.27 and 6.2.1.45 6.3.2.20 Indoleacetate--lysine synthetase 6.3.2.21 Transferred entry: 2.3.2.27 and 6.2.1.45 6.3.2.22 Transferred entry: 6.3.1.14 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 Transferred entry: 6.3.2.38 and 6.3.2.39 6.3.2.28 Transferred entry: 6.3.2.49 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 gamma-F420-2:alpha-L-glutamate ligase 6.3.2.33 Tetrahydrosarcinapterin synthase 6.3.2.34 Coenzyme F420-1:gamma-L-glutamate ligase 6.3.2.35 D-alanine--D-serine ligase 6.3.2.36 4-phosphopantoate--beta-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--beta-alanine ligase (ADP-forming) 6.3.2.45 UDP-N-acetylmuramate L-alanyl-gamma-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.n1 Transferred entry: 6.3.2.37 6.3.2.n2 Transferred entry: 6.3.1.19 6.3.2.n3 ISG15--protein ligase 6.3.2.n4 Transferred entry: 6.3.2.43 6.3.2.n5 Transferred entry: 6.3.2.44 6.3.2.n6 Transferred entry: 6.3.2.41 6.3.3.1 Phosphoribosylformylglycinamidine cyclo-ligase 6.3.3.2 5-formyltetrahydrofolate cyclo-ligase 6.3.3.3 Dethiobiotin synthase 6.3.3.4 (Carboxyethyl)arginine beta-lactam-synthase 6.3.3.5 O-ureido-D-serine cyclo-ligase 6.3.3.6 Carbapenam-3-carboxylate synthase 6.3.3.7 Ni-sirohydrochlorin a,c-diamide reductive cyclase 6.3.4.1 Transferred entry: 6.3.5.2 6.3.4.2 CTP synthase (glutamine hydrolyzing) 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-hydrolyzing)] 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 synthetase 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 6.3.5.1 NAD(+) synthase (glutamine-hydrolyzing) 6.3.5.2 GMP synthase (glutamine-hydrolyzing) 6.3.5.3 Phosphoribosylformylglycinamidine synthase 6.3.5.4 Asparagine synthase (glutamine-hydrolyzing) 6.3.5.5 Carbamoyl-phosphate synthase (glutamine-hydrolyzing) 6.3.5.6 Asparaginyl-tRNA synthase (glutamine-hydrolyzing) 6.3.5.7 Glutaminyl-tRNA synthase (glutamine-hydrolyzing) 6.3.5.8 Transferred entry: 2.6.1.85 6.3.5.9 Hydrogenobyrinic acid a,c-diamide synthase (glutamine-hydrolyzing) 6.3.5.10 Adenosylcobyric acid synthase (glutamine-hydrolyzing) 6.3.5.11 Cobyrinate a,c-diamide synthase (glutamine-hydrolyzing) 6.3.5.12 Ni-sirohydrochlorin a,c-diamide synthase 6.3.5.13 Lipid II isoglutaminyl synthase (glutamine-hydrolyzing)