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3.5.1.1 asparaginase

3.5.1.2 glutaminase

3.5.1.3 omega-amidase

3.5.1.4 amidase

3.5.1.5 urease

3.5.1.6 beta-ureidopropionase

3.5.1.7 ureidosuccinase

3.5.1.8 formylaspartate deformylase

3.5.1.9 arylformamidase

3.5.1.10 formyltetrahydrofolate deformylase

3.5.1.11 penicillin amidase

3.5.1.12 biotinidase

3.5.1.13 aryl-acylamidase

3.5.1.14 N-acyl-aliphatic-L-amino acid amidohydrolase

3.5.1.15 aspartoacylase

3.5.1.16 acetylornithine deacetylase

3.5.1.17 acyl-lysine deacylase

3.5.1.18 succinyl-diaminopimelate desuccinylase

3.5.1.19 nicotinamidase

3.5.1.20 citrullinase

3.5.1.21 N-acetyl-beta-alanine deacetylase

3.5.1.22 pantothenase

3.5.1.23 ceramidase

3.5.1.24 choloylglycine hydrolase

3.5.1.25 N-acetylglucosamine-6-phosphate deacetylase

3.5.1.26 N4-(beta-N-acetylglucosaminyl)-L-asparaginase

3.5.1.27 N-formylmethionylaminoacyl-tRNA deformylase

3.5.1.28 N-acetylmuramoyl-L-alanine amidase

3.5.1.29 2-(acetamidomethylene)succinate hydrolase

3.5.1.30 5-aminopentanamidase

3.5.1.31 formylmethionine deformylase

3.5.1.32 hippurate hydrolase

3.5.1.33 N-acetylglucosamine deacetylase

3.5.1.34 acetylhistidine deacetylase

3.5.1.35 D-glutaminase

3.5.1.36 N-methyl-2-oxoglutaramate hydrolase

3.5.1.37 4-L-aspartylglycosylamine amidohydrolase

3.5.1.38 glutamin-(asparagin-)ase

3.5.1.39 alkylamidase

3.5.1.40 acylagmatine amidase

3.5.1.41 chitin deacetylase

3.5.1.42 nicotinamide-nucleotide amidase

3.5.1.43 peptidyl-glutaminase

3.5.1.44 protein-glutamine glutaminase

3.5.1.45 urease (ATP-hydrolysing)

3.5.1.46 6-aminohexanoate-oligomer exohydrolase

3.5.1.47 N-acetyldiaminopimelate deacetylase

3.5.1.48 acetylspermidine deacetylase

3.5.1.49 formamidase

3.5.1.50 pentanamidase

3.5.1.51 4-acetamidobutyryl-CoA deacetylase

3.5.1.52 peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine amidase

3.5.1.53 N-carbamoylputrescine amidase

3.5.1.54 allophanate hydrolase

3.5.1.55 long-chain-fatty-acyl-glutamate deacylase

3.5.1.56 N,N-dimethylformamidase

3.5.1.57 tryptophanamidase

3.5.1.58 N-benzyloxycarbonylglycine hydrolase

3.5.1.59 N-carbamoylsarcosine amidase

3.5.1.60 N-(long-chain-acyl)ethanolamine deacylase

3.5.1.61 mimosinase

3.5.1.62 acetylputrescine deacetylase

3.5.1.63 4-acetamidobutyrate deacetylase

3.5.1.64 Nalpha-benzyloxycarbonylleucine hydrolase

3.5.1.65 theanine hydrolase

3.5.1.66 2-(hydroxymethyl)-3-(acetamidomethylene)succinate hydrolase

3.5.1.67 4-methyleneglutaminase

3.5.1.68 N-formylglutamate deformylase

3.5.1.69 glycosphingolipid deacylase

3.5.1.70 aculeacin-A deacylase

3.5.1.71 N-feruloylglycine deacylase

3.5.1.72 D-benzoylarginine-4-nitroanilide amidase

3.5.1.73 carnitinamidase

3.5.1.74 chenodeoxycholoyltaurine hydrolase

3.5.1.75 urethanase

3.5.1.76 Arylalkyl acylamidase

3.5.1.77 N-carbamoyl-D-amino-acid hydrolase

3.5.1.78 Glutathionylspermidine amidase

3.5.1.79 Phthalyl amidase

3.5.1.80 N-acetylgalactosamine-6-phosphate deacetylase

3.5.1.81 N-Acyl-D-amino-acid deacylase

3.5.1.82 N-acyl-D-glutamate deacylase

3.5.1.83 N-Acyl-D-aspartate deacylase

3.5.1.84 biuret amidohydrolase

3.5.1.85 (S)-N-acetyl-1-phenylethylamine hydrolase

3.5.1.86 mandelamide amidase

3.5.1.87 N-carbamoyl-L-amino-acid hydrolase

3.5.1.88 peptide deformylase

3.5.1.89 N-acetylglucosaminylphosphatidylinositol deacetylase

3.5.1.90 adenosylcobinamide hydrolase

3.5.1.91 N-substituted formamide deformylase

3.5.1.92 pantetheine hydrolase

3.5.1.93 glutaryl-7-aminocephalosporanic-acid acylase

3.5.1.94 gamma-glutamyl-gamma-aminobutyrate hydrolase

3.5.1.95 N-malonylurea hydrolase

3.5.1.96 succinylglutamate desuccinylase

3.5.1.97 acyl-homoserine-lactone acylase

3.5.1.98 histone deacetylase

3.5.1.99 fatty acid amide hydrolase

3.5.1.100 (R)-amidase

3.5.1.101 L-proline amide hydrolase

3.5.1.102 2-amino-5-formylamino-6-ribosylaminopyrimidin-4(3H)-one 5'-monophosphate deformylase

3.5.1.103 N-acetyl-1-D-myo-inositol-2-amino-2-deoxy-alpha-D-glucopyranoside deacetylase

3.5.1.104 peptidoglycan-N-acetylglucosamine deacetylase

3.5.1.105 chitin disaccharide deacetylase

3.5.1.106 N-formylmaleamate deformylase

3.5.1.107 maleamate amidohydrolase

3.5.1.108 UDP-3-O-acyl-N-acetylglucosamine deacetylase

3.5.1.109 sphingomyelin deacylase

3.5.1.110 ureidoacrylate amidohydrolase

3.5.1.111 2-oxoglutaramate amidase

3.5.1.112 2'-N-acetylparomamine deacetylase

3.5.1.113 2'''-acetyl-6'''-hydroxyneomycin C deacetylase

3.5.1.114 N-acyl-aromatic-L-amino acid amidohydrolase

3.5.1.115 mycothiol S-conjugate amidase

3.5.1.116 ureidoglycolate amidohydrolase

3.5.1.117 6-aminohexanoate-oligomer endohydrolase

3.5.1.118 gamma-glutamyl hercynylcysteine S-oxide hydrolase

3.5.1.119 Pup amidohydrolase

3.5.1.120 2-aminomuconate deaminase (2-hydroxymuconate-forming)

3.5.1.121 protein N-terminal asparagine amidohydrolase

3.5.1.122 protein N-terminal glutamine amidohydrolase

3.5.1.123 gamma-glutamylanilide hydrolase

3.5.1.124 protein deglycase

3.5.1.125 N2-acetyl-L-2,4-diaminobutanoate deacetylase

3.5.1.126 oxamate amidohydrolase

3.5.1.127 jasmonoyl-L-amino acid hydrolase

3.5.1.128 deaminated glutathione amidase

3.5.1.129 N5-(cytidine 5'-diphosphoramidyl)-L-glutamine hydrolase

3.5.1.130 [amino group carrier protein]-lysine hydrolase

3.5.1.131 1-carboxybiuret hydrolase

3.5.1.132 [amino group carrier protein]-ornithine hydrolase

3.5.1.133 Nalpha-acyl-L-glutamine aminoacylase

3.5.1.134 (indol-3-yl)acetyl-L-aspartate hydrolase

3.5.1.135 N4-acetylcytidine amidohydrolase

3.5.1.136 N,N'-diacetylchitobiose non-reducing end deacetylase

3.5.1.137 N-methylcarbamate hydrolase

3.5.1.138 lipoamidase

3.5.1.139 guanylurea hydrolase

3.5.1.140 carboxyguanidine deiminase

3.5.1.141 methylenediurea deaminase

3.5.1.B4 acetylcitrulline deacetylase

3.5.1.B13 4-deoxy-4-formamido-L-arabinose-phosphoundecaprenol deformylase

3.5.1.B15 pyrazinamidase

3.5.1.B18 4-aminobenzoylglutamate hydrolase

3.5.1.B21 peptidylspermidine amidase

3.5.1.B22 6-phosphofructose-aspartate deglycase

3.5.1.B23 bile acid amine N-acyltransferase

3.5.1.B24 peptidoglycan-N-acetylmuramine deacetylase

3.5.1.B25 6-phosphofructose-lysine deglycase

3.5.2.1 barbiturase

3.5.2.2 dihydropyrimidinase

3.5.2.3 dihydroorotase

3.5.2.4 carboxymethylhydantoinase

3.5.2.5 allantoinase

3.5.2.6 beta-lactamase

3.5.2.7 imidazolonepropionase

3.5.2.8 cephalosporinase

3.5.2.9 5-oxoprolinase (ATP-hydrolysing)

3.5.2.10 creatininase

3.5.2.11 L-lysine-lactamase

3.5.2.12 6-aminohexanoate-cyclic-dimer hydrolase

3.5.2.13 2,5-dioxopiperazine hydrolase

3.5.2.14 N-methylhydantoinase (ATP-hydrolysing)

3.5.2.15 cyanuric acid amidohydrolase

3.5.2.16 maleimide hydrolase

3.5.2.17 hydroxyisourate hydrolase

3.5.2.18 enamidase

3.5.2.19 streptothricin hydrolase

3.5.2.20 isatin hydrolase

3.5.2.B2 (+)-gamma-lactamase

3.5.2.B3 (-)-gamma-lactamase

3.5.2.B4 azetidine hydrolase

3.5.3.1 arginase

3.5.3.2 guanidinoacetase

3.5.3.3 creatinase

3.5.3.4 allantoicase

3.5.3.5 formimidoylaspartate deiminase

3.5.3.6 arginine deiminase

3.5.3.7 guanidinobutyrase

3.5.3.8 formimidoylglutamase

3.5.3.9 allantoate deiminase

3.5.3.10 D-arginase

3.5.3.11 agmatinase

3.5.3.12 agmatine deiminase

3.5.3.13 formimidoylglutamate deiminase

3.5.3.14 amidinoaspartase

3.5.3.15 protein-arginine deiminase

3.5.3.16 methylguanidinase

3.5.3.17 Guanidinopropionase

3.5.3.18 dimethylargininase

3.5.3.19 ureidoglycolate hydrolase

3.5.3.20 diguanidinobutanase

3.5.3.21 methylenediurea deaminase

3.5.3.22 proclavaminate amidinohydrolase

3.5.3.23 N-succinylarginine dihydrolase

3.5.3.24 N1-aminopropylagmatine ureohydrolase

3.5.3.25 Nomega-hydroxy-L-arginine amidinohydrolase

3.5.3.26 (S)-ureidoglycine aminohydrolase

3.5.3.27 arginine dihydrolase

3.5.4.1 cytosine deaminase

3.5.4.2 adenine deaminase

3.5.4.3 guanine deaminase

3.5.4.4 adenosine deaminase

3.5.4.5 cytidine deaminase

3.5.4.6 AMP deaminase

3.5.4.7 ADP deaminase

3.5.4.8 aminoimidazolase

3.5.4.9 methenyltetrahydrofolate cyclohydrolase

3.5.4.10 IMP cyclohydrolase

3.5.4.11 pterin deaminase

3.5.4.12 dCMP deaminase

3.5.4.13 dCTP deaminase

3.5.4.14 deoxycytidine deaminase

3.5.4.15 guanosine deaminase

3.5.4.16 GTP cyclohydrolase I

3.5.4.17 adenosine-phosphate deaminase

3.5.4.18 ATP deaminase

3.5.4.19 phosphoribosyl-AMP cyclohydrolase

3.5.4.20 pyrithiamine deaminase

3.5.4.21 creatinine deaminase

3.5.4.22 1-pyrroline-4-hydroxy-2-carboxylate deaminase

3.5.4.23 blasticidin-S deaminase

3.5.4.24 sepiapterin deaminase

3.5.4.25 GTP cyclohydrolase II

3.5.4.26 diaminohydroxyphosphoribosylaminopyrimidine deaminase

3.5.4.27 methenyltetrahydromethanopterin cyclohydrolase

3.5.4.28 S-adenosylhomocysteine deaminase

3.5.4.29 GTP cyclohydrolase IIa

3.5.4.30 dCTP deaminase (dUMP-forming)

3.5.4.31 S-methyl-5'-thioadenosine deaminase

3.5.4.32 8-oxoguanine deaminase

3.5.4.33 tRNA(adenine34) deaminase

3.5.4.34 tRNAAla(adenine37) deaminase

3.5.4.35 tRNA(cytosine8) deaminase

3.5.4.36 mRNA(cytosine6666) deaminase

3.5.4.37 double-stranded RNA adenine deaminase

3.5.4.38 single-stranded DNA cytosine deaminase

3.5.4.39 GTP cyclohydrolase IV

3.5.4.40 aminodeoxyfutalosine deaminase

3.5.4.41 5'-deoxyadenosine deaminase

3.5.4.42 N-isopropylammelide isopropylaminohydrolase

3.5.4.43 hydroxydechloroatrazine ethylaminohydrolase

3.5.4.44 ectoine hydrolase

3.5.4.45 melamine deaminase

3.5.4.46 cAMP deaminase

3.5.4.B9 cytosine deaminase APOBEC3G

3.5.4.B11 tRNATrp(cytosine34) deaminase

3.5.5.1 nitrilase

3.5.5.2 ricinine nitrilase

3.5.5.3 cyanate hydrolase

3.5.5.4 cyanoalanine nitrilase

3.5.5.5 Arylacetonitrilase

3.5.5.6 bromoxynil nitrilase

3.5.5.7 Aliphatic nitrilase

3.5.5.8 thiocyanate hydrolase

3.5.99.1 riboflavinase

3.5.99.2 aminopyrimidine aminohydrolase

3.5.99.3 hydroxydechloroatrazine ethylaminohydrolase

3.5.99.4 N-isopropylammelide isopropylaminohydrolase

3.5.99.5 2-aminomuconate deaminase

3.5.99.6 glucosamine-6-phosphate deaminase

3.5.99.7 1-aminocyclopropane-1-carboxylate deaminase

3.5.99.8 5-nitroanthranilic acid aminohydrolase

3.5.99.9 2-nitroimidazole nitrohydrolase

3.5.99.10 2-iminobutanoate/2-iminopropanoate deaminase

3.5.99.11 2-aminomuconate deaminase (2-hydroxymuconate-forming)

3.5.99.12 salsolinol synthase

3.5.99.13 strictosidine synthase

3.5.99.14 (S)-norcoclaurine synthase

3.5.99.15 deacetylisoipecoside synthase

3.5.99.16 deacetylipecoside synthase