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EC 3.2.1.17 Details
EC number
3.2.1.17
Accepted name
lysozyme
Reaction
Hydrolysis of (1→4)-β-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins
Other name(s)
muramidase, globulin G, mucopeptide glucohydrolase, globulin G1, N,O-diacetylmuramidase, lysozyme g, L-7001, 1,4-N-acetylmuramidase, mucopeptide N-acetylmuramoylhydrolase, PR1-lysozyme
Systematic name
peptidoglycan N-acetylmuramoylhydrolase
CAS registry number
9001-63-2
Comment
cf. also EC 3.2.1.14 chitinase.
History
created 1961
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EC Tree
1 Oxidoreductases
2 Transferases
3 Hydrolases
3.1 Acting on ester bonds
3.2 Glycosylases
3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
3.2.1.1 α-amylase
3.2.1.2 β-amylase
3.2.1.3 glucan 1,4-α-glucosidase
3.2.1.4 cellulase
3.2.1.5 created 1961, deleted 1964
3.2.1.6 endo-1,3(4)-β-glucanase
3.2.1.7 inulinase
3.2.1.8 endo-1,4-β-xylanase
3.2.1.9 created 1961, deleted 1972
3.2.1.10 oligo-1,6-glucosidase
3.2.1.11 dextranase
3.2.1.12 created 1961, deleted 1976
3.2.1.13 created 1961, deleted 1976
3.2.1.14 chitinase
3.2.1.15 endo-polygalacturonase
3.2.1.16 created 1961, deleted 1972
3.2.1.17 lysozyme
3.2.1.18 exo-α-sialidase
3.2.1.19 created 1961, deleted 1978
3.2.1.20 α-glucosidase
3.2.1.21 β-glucosidase
3.2.1.22 α-galactosidase
3.2.1.23 β-galactosidase
3.2.1.24 α-mannosidase
3.2.1.25 β-mannosidase
3.2.1.26 β-fructofuranosidase
3.2.1.27 created 1961, deleted 1972
3.2.1.28 α,α-trehalase
3.2.1.29 created 1961, deleted 1972
3.2.1.30 created 1961, deleted 1992
3.2.1.31 β-glucuronidase
3.2.1.32 endo-1,3-β-xylanase
3.2.1.33 amylo-α-1,6-glucosidase
3.2.1.34 created 1965, deleted 1972
3.2.1.35 hyaluronoglucosaminidase
3.2.1.36 hyaluronoglucuronidase
3.2.1.37 xylan 1,4-β-xylosidase
3.2.1.38 β-D-fucosidase
3.2.1.39 glucan endo-1,3-β-D-glucosidase
3.2.1.40 α-L-rhamnosidase
3.2.1.41 pullulanase
3.2.1.42 GDP-glucosidase
3.2.1.43 β-L-rhamnosidase
3.2.1.44 fucoidanase
3.2.1.45 glucosylceramidase
3.2.1.46 galactosylceramidase
3.2.1.47 galactosylgalactosylglucosylceramidase
3.2.1.48 sucrose α-glucosidase
3.2.1.49 α-N-acetylgalactosaminidase
3.2.1.50 α-N-acetylglucosaminidase
3.2.1.51 α-L-fucosidase
3.2.1.52 β-N-acetylhexosaminidase
3.2.1.53 β-N-acetylgalactosaminidase
3.2.1.54 cyclomaltodextrinase
3.2.1.55 non-reducing end α-L-arabinofuranosidase
3.2.1.56 glucuronosyl-disulfoglucosamine glucuronidase
3.2.1.57 isopullulanase
3.2.1.58 glucan 1,3-β-glucosidase
3.2.1.59 glucan endo-1,3-α-glucosidase
3.2.1.60 glucan 1,4-α-maltotetraohydrolase
3.2.1.61 mycodextranase
3.2.1.62 glycosylceramidase
3.2.1.63 1,2-α-L-fucosidase
3.2.1.64 2,6-β-fructan 6-levanbiohydrolase
3.2.1.65 levanase
3.2.1.66 quercitrinase
3.2.1.67 galacturonan 1,4-α-galacturonidase
3.2.1.68 isoamylase
3.2.1.69 created 1972, deleted 1976
3.2.1.70 glucan 1,6-α-glucosidase
3.2.1.71 glucan endo-1,2-β-glucosidase
3.2.1.72 xylan 1,3-β-xylosidase
3.2.1.73 licheninase
3.2.1.74 glucan 1,4-β-glucosidase
3.2.1.75 glucan endo-1,6-β-glucosidase
3.2.1.76 L-iduronidase
3.2.1.77 mannan 1,2-(1,3)-α-mannosidase
3.2.1.78 mannan endo-1,4-β-mannosidase
3.2.1.79 created 1972, deleted 1976
3.2.1.80 fructan β-fructosidase
3.2.1.81 β-agarase
3.2.1.82 exo-poly-α-digalacturonosidase
3.2.1.83 κ-carrageenase
3.2.1.84 glucan 1,3-α-glucosidase
3.2.1.85 6-phospho-β-galactosidase
3.2.1.86 6-phospho-β-glucosidase
3.2.1.87 capsular-polysaccharide endo-1,3-α-galactosidase
3.2.1.88 non-reducing end β-L-arabinopyranosidase
3.2.1.89 arabinogalactan endo-β-1,4-galactanase
3.2.1.90 created 1976, deleted 2001
3.2.1.91 cellulose 1,4-β-cellobiosidase (non-reducing end)
3.2.1.92 peptidoglycan β-N-acetylmuramidase
3.2.1.93 α,α-phosphotrehalase
3.2.1.94 glucan 1,6-α-isomaltosidase
3.2.1.95 dextran 1,6-α-isomaltotriosidase
3.2.1.96 mannosyl-glycoprotein endo-β-N-acetylglucosaminidase
3.2.1.97 endo-α-N-acetylgalactosaminidase
3.2.1.98 glucan 1,4-α-maltohexaosidase
3.2.1.99 arabinan endo-1,5-α-L-arabinanase
3.2.1.100 mannan 1,4-mannobiosidase
3.2.1.101 mannan endo-1,6-α-mannosidase
3.2.1.102 blood-group-substance endo-1,4-β-galactosidase
3.2.1.103 keratan-sulfate endo-1,4-β-galactosidase
3.2.1.104 steryl-β-glucosidase
3.2.1.105 3α(S)-strictosidine β-glucosidase
3.2.1.106 mannosyl-oligosaccharide glucosidase
3.2.1.107 protein-glucosylgalactosylhydroxylysine glucosidase
3.2.1.108 lactase
3.2.1.109 endogalactosaminidase
3.2.1.110 mucinaminylserine mucinaminidase
3.2.1.111 1,3-α-L-fucosidase
3.2.1.112 2-deoxyglucosidase
3.2.1.113 mannosyl-oligosaccharide 1,2-α-mannosidase
3.2.1.114 mannosyl-oligosaccharide 1,3-1,6-α-mannosidase
3.2.1.115 branched-dextran exo-1,2-α-glucosidase
3.2.1.116 glucan 1,4-α-maltotriohydrolase
3.2.1.117 amygdalin β-glucosidase
3.2.1.118 prunasin β-glucosidase
3.2.1.119 vicianin β-glucosidase
3.2.1.120 oligoxyloglucan β-glycosidase
3.2.1.121 polymannuronate hydrolase
3.2.1.122 maltose-6′-phosphate glucosidase
3.2.1.123 endoglycosylceramidase
3.2.1.124 3-deoxy-2-octulosonidase
3.2.1.125 raucaffricine β-glucosidase
3.2.1.126 coniferin β-glucosidase
3.2.1.127 1,6-α-L-fucosidase
3.2.1.128 glycyrrhizin hydrolase
3.2.1.129 endo-α-sialidase
3.2.1.130 glycoprotein endo-α-1,2-mannosidase
3.2.1.131 xylan α-1,2-glucuronosidase
3.2.1.132 chitosanase
3.2.1.133 glucan 1,4-α-maltohydrolase
3.2.1.134 difructose-dianhydride-I hydrolase
3.2.1.135 neopullulanase
3.2.1.136 glucuronoarabinoxylan endo-1,4-β-xylanase
3.2.1.137 mannan exo-1,2-1,6-α-mannosidase
3.2.1.138 created 1992, deleted 2003
3.2.1.139 α-glucuronidase
3.2.1.140 lacto-N-biosidase
3.2.1.141 4-α-D-{(1→4)-α-D-glucano}trehalose trehalohydrolase
3.2.1.142 limit dextrinase
3.2.1.143 poly(ADP-ribose) glycohydrolase
3.2.1.144 3-deoxyoctulosonase
3.2.1.145 galactan 1,3-β-galactosidase
3.2.1.146 β-galactofuranosidase
3.2.1.147 thioglucosidase
3.2.1.148 created 1972 as EC 3.3.1.3, transferred 2001 to EC 3.2.1.148, deleted 2004
3.2.1.149 β-primeverosidase
3.2.1.150 oligoxyloglucan reducing-end-specific cellobiohydrolase
3.2.1.151 xyloglucan-specific endo-β-1,4-glucanase
3.2.1.152 mannosylglycoprotein endo-β-mannosidase
3.2.1.153 fructan β-(2,1)-fructosidase
3.2.1.154 fructan β-(2,6)-fructosidase
3.2.1.155 xyloglucan-specific endo-processive β-1,4-glucanase
3.2.1.156 oligosaccharide reducing-end xylanase
3.2.1.157 ι-carrageenase
3.2.1.158 α-agarase
3.2.1.159 α-neoagaro-oligosaccharide hydrolase
3.2.1.160 xyloglucan-specific exo-β-1,4-glucanase
3.2.1.161 β-apiosyl-β-glucosidase
3.2.1.162 λ-carrageenase
3.2.1.163 1,6-α-D-mannosidase
3.2.1.164 galactan endo-1,6-β-galactosidase
3.2.1.165 exo-1,4-β-D-glucosaminidase
3.2.1.166 heparanase
3.2.1.167 baicalin-β-D-glucuronidase
3.2.1.168 hesperidin 6-O-α-L-rhamnosyl-β-D-glucosidase
3.2.1.169 protein O-GlcNAcase
3.2.1.170 mannosylglycerate hydrolase
3.2.1.171 rhamnogalacturonan hydrolase
3.2.1.172 unsaturated rhamnogalacturonyl hydrolase
3.2.1.173 rhamnogalacturonan galacturonohydrolase
3.2.1.174 rhamnogalacturonan rhamnohydrolase
3.2.1.175 β-D-glucopyranosyl abscisate β-glucosidase
3.2.1.176 cellulose 1,4-β-cellobiosidase (reducing end)
3.2.1.177 α-D-xyloside xylohydrolase
3.2.1.178 β-porphyranase
3.2.1.179 gellan tetrasaccharide unsaturated glucuronosyl hydrolase
3.2.1.180 unsaturated chondroitin disaccharide hydrolase
3.2.1.181 galactan endo-β-1,3-galactanase
3.2.1.182 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside β-D-glucosidase
3.2.1.183 UDP-N-acetylglucosamine 2-epimerase (hydrolysing)
3.2.1.184 UDP-N,N′-diacetylbacillosamine 2-epimerase (hydrolysing)
3.2.1.185 non-reducing end β-L-arabinofuranosidase
3.2.1.186 protodioscin 26-O-β-D-glucosidase
3.2.1.187 (Ara-f)3-Hyp β-L-arabinobiosidase
3.2.1.188 avenacosidase
3.2.1.189 dioscin glycosidase (diosgenin-forming)
3.2.1.190 dioscin glycosidase (3-O-β-D-Glc-diosgenin-forming)
3.2.1.191 ginsenosidase type III
3.2.1.192 ginsenoside Rb1 β-glucosidase
3.2.1.193 ginsenosidase type I
3.2.1.194 ginsenosidase type IV
3.2.1.195 20-O-multi-glycoside ginsenosidase
3.2.1.196 limit dextrin α-1,6-maltotetraose-hydrolase
3.2.1.197 β-1,2-mannosidase
3.2.1.198 α-mannan endo-1,2-α-mannanase
3.2.1.199 sulfoquinovosidase
3.2.1.200 exo-chitinase (non-reducing end)
3.2.1.201 exo-chitinase (reducing end)
3.2.1.202 endo-chitodextinase
3.2.1.203 carboxymethylcellulase
3.2.1.204 1,3-α-isomaltosidase
3.2.1.205 isomaltose glucohydrolase
3.2.1.206 oleuropein β-glucosidase
3.2.1.207 mannosyl-oligosaccharide α-1,3-glucosidase
3.2.1.208 glucosylglycerate hydrolase
3.2.1.209 endoplasmic reticulum Man9GlcNAc2 1,2-α-mannosidase
3.2.1.210 endoplasmic reticulum Man8GlcNAc2 1,2-α-mannosidase
3.2.1.211 endo-(1→3)-fucoidanase
3.2.1.212 endo-(1→4)-fucoidanase
3.2.1.213 galactan exo-1,6-β-galactobiohydrolase (non-reducing end)
3.2.1.214 exo β-1,2-glucooligosaccharide sophorohydrolase (non-reducing end)
3.2.1.215 arabinogalactan exo α-(1,3)-α-D-galactosyl-(1→3)-L-arabinofuranosidase (non-reducing end)
3.2.1.216 kojibiose hydrolase
3.2.1.217 exo-acting protein-α-N-acetylgalactosaminidase
3.2.2 Hydrolysing N-glycosyl compounds
3.2.3 Hydrolysing S-glycosyl compounds (deleted sub-subclass)
3.3 Acting on ether bonds
3.4 Acting on peptide bonds (peptidases)
3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
3.6 Acting on acid anhydrides
3.7 Acting on carbon-carbon bonds
3.8 Acting on halide bonds
3.9 Acting on phosphorus-nitrogen bonds
3.10 Acting on sulfur-nitrogen bonds
3.11 Acting on carbon-phosphorus bonds
3.12 Acting on sulfur-sulfur bonds
3.13 Acting on carbon-sulfur bonds
4 Lyases
5 Isomerases
6 Ligases
7 Translocases