Biochemistry & Enzymes

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Enzymes A-Z

Complete database of 6965 enzymes with EC numbers, catalytic activities, alternative names, and UniProt cross-references. Browse by EC class or search for specific enzymes.

Enzymes A-Z

Complete database of 6965 enzymes with EC numbers, catalytic activities, alternative names, and UniProt cross-references. Browse by EC class or search for specific enzymes.

membrane dipeptidase (EC 3.4.13.19)

membrane dipeptidase. EC 3.4.13.19.. an L-aminoacyl-L-amino acid + H2O = 2 an L-alpha-amino acid.

membrane Pro-Xaa carboxypeptidase (EC 3.4.17.16)

membrane Pro-Xaa carboxypeptidase. EC 3.4.17.16.. Release of a C-terminal residue other than proline, by preferential

membrane-oligosaccharide glycerophosphotransferase (EC 2.7.8.21)

membrane-oligosaccharide glycerophosphotransferase. EC 2.7.8.21.. Transfer of a glycerophospho group from one membrane-derived

membrane-type matrix metalloproteinase-1 (EC 3.4.24.80)

membrane-type matrix metalloproteinase-1. EC 3.4.24.80.. Endopeptidase activity. Activates progelatinase A by cleavage of the

menaquinol oxidase (H(+)-transporting) (EC 7.1.1.5)

menaquinol oxidase (H(+)-transporting). EC 7.1.1.5.. 2 a menaquinol + O2 + n H(+)(in) = 2 a menaquinone + 2 H2O(in) +

menaquinone C(8)-methyltransferase (EC 2.1.1.350)

menaquinone C(8)-methyltransferase. EC 2.1.1.350.. (1) reduced [flavodoxin] + a menaquinone + 2 S-adenosyl-L-methionine =

menaquinone-9beta-reductase (EC 1.3.99.38)

menaquinone-9beta-reductase. EC 1.3.99.38.. menaquinone-9 + AH2 = beta-dihydromenaquinone-9 + A.

meprin A (EC 3.4.24.18)

meprin A. EC 3.4.24.18.. Hydrolysis of protein and peptide substrates preferentially on carboxyl

meprin B (EC 3.4.24.63)

meprin B. EC 3.4.24.63.. Hydrolysis of proteins, including azocasein, and peptides. Hydrolysis of

mercury(II) reductase (EC 1.16.1.1)

mercury(II) reductase. EC 1.16.1.1.. Hg + NADP(+) + H(+) = Hg(2+) + NADPH.

meromycolic acid 3-oxoacyl-(acyl carrier protein) synthase I (EC 2.3.1.293)

meromycolic acid 3-oxoacyl-(acyl carrier protein) synthase I. EC 2.3.1.293.. an ultra-long-chain mono-unsaturated fatty acyl-[ACP] + malonyl-[ACP] +

meromycolic acid 3-oxoacyl-(acyl carrier protein) synthase II (EC 2.3.1.294)

meromycolic acid 3-oxoacyl-(acyl carrier protein) synthase II. EC 2.3.1.294.. an ultra-long-chain di-unsaturated fatty acyl-[ACP] + malonyl-[ACP] +

meromycolic acid enoyl-[acyl-carrier-protein] reductase (EC 1.3.1.118)

meromycolic acid enoyl-[acyl-carrier-protein] reductase. EC 1.3.1.118.. a 2,3-saturated meromycolyl-[ACP] + NAD(+) = a trans-Delta(2)-

meso-tartrate dehydrogenase (EC 1.3.1.7)

meso-tartrate dehydrogenase. EC 1.3.1.7.. (2R,3S)-tartrate + NAD(+) = dihydroxyfumarate + NADH + H(+).

Met-Xaa dipeptidase (EC 3.4.13.12)

Met-Xaa dipeptidase. EC 3.4.13.12.. Hydrolysis of Met-|-Xaa dipeptides.

metallocarboxypeptidase D (EC 3.4.17.22)

metallocarboxypeptidase D. EC 3.4.17.22.. Releases C-terminal Arg and Lys from polypeptides.

methane monooxygenase (particulate) (EC 1.14.18.3)

methane monooxygenase (particulate). EC 1.14.18.3.. methane + a quinol + O2 = methanol + a quinone + H2O.

methane monooxygenase (soluble) (EC 1.14.13.25)

methane monooxygenase (soluble). EC 1.14.13.25.. (1) methane + NADH + O2 + H(+) = methanol + NAD(+) + H2O.

methanesulfonate monooxygenase (FMNH2) (EC 1.14.14.34)

methanesulfonate monooxygenase (FMNH2). EC 1.14.14.34.. methanesulfonate + FMNH2 + O2 = FMN + sulfite + formaldehyde + H2O +

methanesulfonate monooxygenase (NADH) (EC 1.14.13.111)

methanesulfonate monooxygenase (NADH). EC 1.14.13.111.. methanesulfonate + NADH + O2 = sulfite + formaldehyde + NAD(+) + H2O.

methanethiol oxidase (EC 1.8.3.4)

methanethiol oxidase. EC 1.8.3.4.. methanethiol + O2 + H2O = hydrogen sulfide + formaldehyde + H2O2 + H(+).

methanethiol S-methyltransferase (EC 2.1.1.334)

methanethiol S-methyltransferase. EC 2.1.1.334.. methanethiol + S-adenosyl-L-methionine = dimethyl sulfide + S-adenosyl-L-

methanogen homoaconitase (EC 4.2.1.114)

methanogen homoaconitase. EC 4.2.1.114.. (2R)-homocitrate = (2R,3S)-homoisocitrate.

methanol dehydrogenase (cytochrome c) (EC 1.1.2.7)

methanol dehydrogenase (cytochrome c). EC 1.1.2.7.. 2 Fe(III)-[cytochrome cL] + a primary alcohol = 2 Fe(II)-[cytochrome cL]

methanol dehydrogenase (EC 1.1.1.244)

methanol dehydrogenase. EC 1.1.1.244.. methanol + NAD(+) = formaldehyde + NADH + H(+).

methanol dehydrogenase (nicotinoprotein) (EC 1.1.99.37)

methanol dehydrogenase (nicotinoprotein). EC 1.1.99.37.. methanol + A = formaldehyde + AH2.

methanol O-anthraniloyltransferase (EC 2.3.1.232)

methanol O-anthraniloyltransferase. EC 2.3.1.232.. anthraniloyl-CoA + methanol = O-methyl anthranilate + CoA.

methanol--corrinoid protein Co-methyltransferase (EC 2.1.1.90)

methanol--corrinoid protein Co-methyltransferase. EC 2.1.1.90.. Co(I)-[methanol-specific corrinoid protein] + methanol + H(+) = methyl-

Methanosarcina-phenazine hydrogenase (EC 1.12.98.3)

Methanosarcina-phenazine hydrogenase. EC 1.12.98.3.. methanophenazine + H2 = dihydromethanophenazine.

methenyltetrahydrofolate cyclohydrolase (EC 3.5.4.9)

methenyltetrahydrofolate cyclohydrolase. EC 3.5.4.9.. (6R)-5,10-methenyltetrahydrofolate + H2O = (6R)-10-formyltetrahydrofolate

methenyltetrahydromethanopterin cyclohydrolase (EC 3.5.4.27)

methenyltetrahydromethanopterin cyclohydrolase. EC 3.5.4.27.. 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + H2O = N(5)-formyl-

methionine adenosyltransferase (EC 2.5.1.6)

methionine adenosyltransferase. EC 2.5.1.6.. L-methionine + ATP + H2O = S-adenosyl-L-methionine + phosphate +

methionine decarboxylase (EC 4.1.1.57)

methionine decarboxylase. EC 4.1.1.57.. L-methionine + H(+) = 3-(methylsulfanyl)propanamine + CO2.

methionine gamma-lyase (EC 4.4.1.11)

methionine gamma-lyase. EC 4.4.1.11.. L-methionine + H2O = methanethiol + 2-oxobutanoate + NH4(+).

methionine racemase (EC 5.1.1.2)

methionine racemase. EC 5.1.1.2.. L-methionine = D-methionine.

methionine S-methyltransferase (EC 2.1.1.12)

methionine S-methyltransferase. EC 2.1.1.12.. L-methionine + S-adenosyl-L-methionine = S-methyl-L-methionine +

methionine synthase (EC 2.1.1.13)

methionine synthase. EC 2.1.1.13.. (6S)-5-methyl-5,6,7,8-tetrahydrofolate + L-homocysteine = (6S)-5,6,7,8-

methionine transaminase (EC 2.6.1.88)

methionine transaminase. EC 2.6.1.88.. a 2-oxocarboxylate + L-methionine = 4-methylsulfanyl-2-oxobutanoate +

methionine--glyoxylate transaminase (EC 2.6.1.73)

methionine--glyoxylate transaminase. EC 2.6.1.73.. glyoxylate + L-methionine = 4-methylsulfanyl-2-oxobutanoate + glycine.

methionine--tRNA ligase (EC 6.1.1.10)

methionine--tRNA ligase. EC 6.1.1.10.. tRNA(Met) + L-methionine + ATP = L-methionyl-tRNA(Met) + AMP +

methionyl aminopeptidase (EC 3.4.11.18)

methionyl aminopeptidase. EC 3.4.11.18.. Release of N-terminal amino acids, preferentially methionine, from

methionyl-tRNA formyltransferase (EC 2.1.2.9)

methionyl-tRNA formyltransferase. EC 2.1.2.9.. L-methionyl-tRNA(fMet) + (6R)-10-formyltetrahydrofolate = N-formyl-L-

methoxylated aromatic compound--corrinoid protein Co-methyltransferase (EC 2.1.1.382)

methoxylated aromatic compound--corrinoid protein Co-methyltransferase. EC 2.1.1.382.. a methoxylated aromatic compound + Co(I)-[methoxylated-aromatic-compound-

methyl acetate hydrolase (EC 3.1.1.114)

methyl acetate hydrolase. EC 3.1.1.114.. methyl acetate + H2O = methanol + acetate + H(+).

methyl farnesoate epoxidase (EC 1.14.14.127)

methyl farnesoate epoxidase. EC 1.14.14.127.. methyl (2E,6E)-farnesoate + reduced [NADPH--hemoprotein reductase] + O2 =

methyl halide transferase (EC 2.1.1.165)

methyl halide transferase. EC 2.1.1.165.. iodide + S-adenosyl-L-methionine = iodomethane + S-adenosyl-L-

methyl-branched lipid omega-hydroxylase (EC 1.14.15.14)

methyl-branched lipid omega-hydroxylase. EC 1.14.15.14.. a methyl-branched lipid + O2 + 2 reduced ferredoxin [iron-sulfur] cluster

methyl-ONN-azoxymethanol beta-D-glucosyltransferase (EC 2.4.1.171)

methyl-ONN-azoxymethanol beta-D-glucosyltransferase. EC 2.4.1.171.. methylazoxymethanol + UDP-alpha-D-glucose = cycasin + UDP + H(+).

methylamine dehydrogenase (amicyanin) (EC 1.4.9.1)

methylamine dehydrogenase (amicyanin). EC 1.4.9.1.. 2 oxidized [amicyanin] + methylamine + H2O = 2 reduced [amicyanin] +

methylamine--glutamate N-methyltransferase (EC 2.1.1.21)

methylamine--glutamate N-methyltransferase. EC 2.1.1.21.. methylamine + L-glutamate = N-methyl-L-glutamate + NH4(+).

methylarsonate reductase (EC 1.20.4.2)

methylarsonate reductase. EC 1.20.4.2.. methylarsonate + 2 glutathione + H(+) = methylarsonous acid +

methylaspartate ammonia-lyase (EC 4.3.1.2)

methylaspartate ammonia-lyase. EC 4.3.1.2.. (2S,3S)-3-methyl-L-aspartate = mesaconate + NH4(+).

methylaspartate mutase (EC 5.4.99.1)

methylaspartate mutase. EC 5.4.99.1.. (2S,3S)-3-methyl-L-aspartate = L-glutamate.

methylated diphthine methylhydrolase (EC 3.1.1.97)

methylated diphthine methylhydrolase. EC 3.1.1.97.. diphthine methyl ester-[translation elongation factor 2] + H2O =

methylated-DNA--[protein]-cysteine S-methyltransferase (EC 2.1.1.63)

methylated-DNA--[protein]-cysteine S-methyltransferase. EC 2.1.1.63.. (1) a 6-O-methyl-2'-deoxyguanosine in DNA + L-cysteinyl-[protein] =

methylated-thiol--coenzyme M methyltransferase (EC 2.1.1.251)

methylated-thiol--coenzyme M methyltransferase. EC 2.1.1.251.. methanethiol + coenzyme M = methyl-coenzyme M + hydrogen sulfide + H(+).

methylcrotonoyl-CoA carboxylase (EC 6.4.1.4)

methylcrotonoyl-CoA carboxylase. EC 6.4.1.4.. 3-methylbut-2-enoyl-CoA + hydrogencarbonate + ATP = 3-methyl-(2E)-

methylcytosine dioxygenase (EC 1.14.11.80)

methylcytosine dioxygenase. EC 1.14.11.80.. (1) a 5-methyl-2'-deoxycytidine in DNA + 2-oxoglutarate + O2 =

methylecgonone reductase (EC 1.1.1.334)

methylecgonone reductase. EC 1.1.1.334.. ecgonine methyl ester + NADP(+) = ecgonone methyl ester + NADPH + H(+).

methylecgonone synthase (EC 2.1.1.403)

methylecgonone synthase. EC 2.1.1.403.. (+)-ecgonone + S-adenosyl-L-methionine = ecgonone methyl ester +