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O-methyltransferase, the Glossary

An O-methyltransferase (OMT) is a type of methyltransferase enzyme transferring a methyl group on a molecule.^[1]

Acetylserotonin O-methyltransferase

N-Acetylserotonin O-methyltransferase, also known as ASMT, is an enzyme which catalyzes the final reaction in melatonin biosynthesis: converting Normelatonin to melatonin. O-methyltransferase and Acetylserotonin O-methyltransferase are Transferases.

See O-methyltransferase and Acetylserotonin O-methyltransferase

Apigenin 4'-O-methyltransferase

In enzymology, an apigenin 4'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 5,7,4'-trihydroxyflavone (apigenin), whereas its two products are S-adenosylhomocysteine and 4'-methoxy-5,7-dihydroxyflavone (acacetin).

See O-methyltransferase and Apigenin 4'-O-methyltransferase

Caffeate O-methyltransferase

In enzymology, a caffeate O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are ''S''-adenosyl methionine and 3,4-dihydroxy-''trans''-cinnamate (caffeic acid), whereas its two products are ''S''-adenosylhomocysteine and 3-methoxy-4-hydroxy-''trans''-cinnamate (ferulic acid).

See O-methyltransferase and Caffeate O-methyltransferase

Caffeoyl-CoA O-methyltransferase

In enzymology, a caffeoyl-CoA O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and caffeoyl-CoA, whereas its two products are S-adenosylhomocysteine and feruloyl-CoA. O-methyltransferase and caffeoyl-CoA O-methyltransferase are o-methylation.

See O-methyltransferase and Caffeoyl-CoA O-methyltransferase

Catechol-O-methyltransferase

Catechol-O-methyltransferase (COMT) is one of several enzymes that degrade catecholamines (neurotransmitters such as dopamine, epinephrine, and norepinephrine), catecholestrogens, and various drugs and substances having a catechol structure. O-methyltransferase and catechol-O-methyltransferase are o-methylation.

See O-methyltransferase and Catechol-O-methyltransferase

Chlorophenol O-methyltransferase

In enzymology, a chlorophenol O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and trichlorophenol, whereas its two products are S-adenosylhomocysteine and trichloroanisole.

See O-methyltransferase and Chlorophenol O-methyltransferase

Columbamine O-methyltransferase

In enzymology, a columbamine O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and columbamine, whereas its two products are S-adenosylhomocysteine and palmatine.

See O-methyltransferase and Columbamine O-methyltransferase

Demethylmacrocin O-methyltransferase

In enzymology, a demethylmacrocin O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and demethylmacrocin, whereas its two products are S-adenosylhomocysteine and macrocin.

See O-methyltransferase and Demethylmacrocin O-methyltransferase

Demethylsterigmatocystin 6-O-methyltransferase

In enzymology, a demethylsterigmatocystin 6-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 6-demethylsterigmatocystin, whereas its two products are S-adenosylhomocysteine and sterigmatocystin.

See O-methyltransferase and Demethylsterigmatocystin 6-O-methyltransferase

Fatty-acid O-methyltransferase

In enzymology, a fatty-acid O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and fatty acid, whereas its two products are S-adenosylhomocysteine and fatty acid methyl ester.

See O-methyltransferase and Fatty-acid O-methyltransferase

Glucuronoxylan 4-O-methyltransferase

In enzymology, a glucuronoxylan 4-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and glucuronoxylan D-glucuronate, whereas its two products are S-adenosylhomocysteine and glucuronoxylan 4-O-methyl-D-glucuronate.

See O-methyltransferase and Glucuronoxylan 4-O-methyltransferase

Iodophenol O-methyltransferase

In enzymology, an iodophenol O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are ''S''-adenosyl methionine and 2-iodophenol, whereas its two products are ''S''-adenosylhomocysteine and 2-iodophenol methyl ether.

See O-methyltransferase and Iodophenol O-methyltransferase

Isobutyraldoxime O-methyltransferase

In enzymology, an isobutyraldoxime O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 2-methylpropanal oxime, whereas its two products are S-adenosylhomocysteine and 2-methylpropanal O-methyloxime.

See O-methyltransferase and Isobutyraldoxime O-methyltransferase

Isoflavone 4'-O-methyltransferase

In enzymology, an isoflavone 4'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and isoflavone, whereas its two products are S-adenosylhomocysteine and 4'-O-methylisoflavone.

See O-methyltransferase and Isoflavone 4'-O-methyltransferase

Isoflavone 7-O-methyltransferase

In enzymology, an isoflavone 7-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 7-hydroxyisoflavone, whereas its two products are S-adenosylhomocysteine and 7-methoxyisoflavone.

See O-methyltransferase and Isoflavone 7-O-methyltransferase

Isoliquiritigenin 2'-O-methyltransferase

In enzymology, an isoliquiritigenin 2'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and isoliquiritigenin, whereas its two products are S-adenosylhomocysteine and 2'-O-methylisoliquiritigenin.

See O-methyltransferase and Isoliquiritigenin 2'-O-methyltransferase

Isoorientin 3'-O-methyltransferase

In enzymology, an isoorientin 3'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and isoorientin, whereas its two products are S-adenosylhomocysteine and isoscoparin.

See O-methyltransferase and Isoorientin 3'-O-methyltransferase

Jasmonate O-methyltransferase

In enzymology, a jasmonate O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and jasmonate, whereas its two products are S-adenosylhomocysteine and methyl jasmonate.

See O-methyltransferase and Jasmonate O-methyltransferase

Kaempferol 4'-O-methyltransferase

In enzymology, a kaempferol 4'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and kaempferol, whereas its two products are S-adenosylhomocysteine and kaempferide.

See O-methyltransferase and Kaempferol 4'-O-methyltransferase

L-isoaspartyl methyltransferase

Protein L-isoaspartyl methyltransferase (PIMT, PCMT), also called S-adenosyl-L-methionine:protein-L-isoaspartate O-methyltransferase, is an enzyme which recognizes and catalyzes the repair of damaged L-isoaspartyl and D-aspartyl groups in proteins.

See O-methyltransferase and L-isoaspartyl methyltransferase

Licodione 2'-O-methyltransferase

In enzymology, a licodione 2'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and licodione, whereas its two products are S-adenosylhomocysteine and 2'-O-methyllicodione.

See O-methyltransferase and Licodione 2'-O-methyltransferase

Loganate O-methyltransferase

In enzymology, a loganate O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and loganic acid (also called loganate), whereas its two products are S-adenosylhomocysteine and loganin.

See O-methyltransferase and Loganate O-methyltransferase

Luteolin O-methyltransferase

In enzymology, a luteolin O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 5,7,3',4'-tetrahydroxyflavone (luteolin), whereas its two products are S-adenosylhomocysteine and 5,7,4'-trihydroxy-3'-methoxyflavone.

See O-methyltransferase and Luteolin O-methyltransferase

Macrocin O-methyltransferase

In enzymology, a macrocin O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and macrocin, whereas its two products are S-adenosylhomocysteine and tylosin.

See O-methyltransferase and Macrocin O-methyltransferase

Methyl group

In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula (whereas normal methane has the formula). In formulas, the group is often abbreviated as Me.

See O-methyltransferase and Methyl group

Methylquercetagetin 6-O-methyltransferase

In enzymology, a methylquercetagetin 6-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 5,6,3',4'-tetrahydroxy-3,7-dimethoxyflavone, whereas its two products are S-adenosylhomocysteine and 5,3',4'-trihydroxy-3,6,7-trimethoxyflavone.

See O-methyltransferase and Methylquercetagetin 6-O-methyltransferase

Methyltransferase

Methyltransferases are a large group of enzymes that all methylate their substrates but can be split into several subclasses based on their structural features.

See O-methyltransferase and Methyltransferase

MRNA (nucleoside-2'-O-)-methyltransferase

In enzymology, a mRNA (nucleoside-2'-O-)-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and m7G(5')pppR-RNA, whereas its two products are S-adenosylhomocysteine and m7G(5')pppRm-RNA (mRNA containing a 2'-O-methylpurine cap).

See O-methyltransferase and MRNA (nucleoside-2'-O-)-methyltransferase

Myricetin O-methyltransferase

In enzymology, a myricetin O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and myricetin, whereas its two products are S-adenosylhomocysteine and syringetin.

See O-methyltransferase and Myricetin O-methyltransferase

N-benzoyl-4-hydroxyanthranilate 4-O-methyltransferase

In enzymology, a N-benzoyl-4-hydroxyanthranilate 4-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and N-benzoyl-4-hydroxyanthranilate, whereas its two products are S-adenosylhomocysteine and N-benzoyl-4-methoxyanthranilate.

See O-methyltransferase and N-benzoyl-4-hydroxyanthranilate 4-O-methyltransferase

O-demethylpuromycin O-methyltransferase

In enzymology, an O-demethylpuromycin O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and O-demethylpuromycin, whereas its two products are S-adenosylhomocysteine and puromycin.

See O-methyltransferase and O-demethylpuromycin O-methyltransferase

Phenol O-methyltransferase

In enzymology, a phenol O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and phenol, whereas its two products are S-adenosylhomocysteine and anisole.

See O-methyltransferase and Phenol O-methyltransferase

Polysaccharide O-methyltransferase

In enzymology, a polysaccharide O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 1,4-alpha-D-glucooligosaccharide, whereas its two products are S-adenosylhomocysteine and oligosaccharide containing 6-methyl-D-glucose units.

See O-methyltransferase and Polysaccharide O-methyltransferase

Protein-glutamate O-methyltransferase

In enzymology, a protein-glutamate O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and protein L-glutamic acid, whereas its two products are S-adenosylhomocysteine and protein L-glutamate methyl ester.

See O-methyltransferase and Protein-glutamate O-methyltransferase

Protein-S-isoprenylcysteine O-methyltransferase

The isoprenylcysteine o-methyltransferase carries out carboxyl methylation of cleaved eukaryotic proteins that terminate in a CaaX motif.

See O-methyltransferase and Protein-S-isoprenylcysteine O-methyltransferase

Quercetin 3-O-methyltransferase

In enzymology, a quercetin 3-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 3,5,7,3',4'-pentahydroxyflavone, whereas its two products are S-adenosylhomocysteine and 3-methoxy-5,7,3',4'-tetrahydroxyflavone.

See O-methyltransferase and Quercetin 3-O-methyltransferase

Sterigmatocystin 8-O-methyltransferase

In enzymology, a sterigmatocystin 8-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and sterigmatocystin, whereas its two products are S-adenosylhomocysteine and 8-O-methylsterigmatocystin.

See O-methyltransferase and Sterigmatocystin 8-O-methyltransferase

Tabersonine 16-O-methyltransferase

In enzymology, a tabersonine 16-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 16-hydroxytabersonine, whereas its two products are S-adenosylhomocysteine and 16-methoxytabersonine.

See O-methyltransferase and Tabersonine 16-O-methyltransferase

Tetrahydrocolumbamine 2-O-methyltransferase

In enzymology, a tetrahydrocolumbamine 2-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 5,8,13,13a-tetrahydrocolumbamine, whereas its two products are S-adenosylhomocysteine and tetrahydropalmatine.

See O-methyltransferase and Tetrahydrocolumbamine 2-O-methyltransferase

Tocopherol O-methyltransferase

In enzymology, a tocopherol O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and gamma-tocopherol, whereas its two products are S-adenosylhomocysteine and alpha-tocopherol.

See O-methyltransferase and Tocopherol O-methyltransferase

TRNA guanosine-2'-O-methyltransferase

In enzymology, a tRNA guanosine-2'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and tRNA, whereas its two products are S-adenosylhomocysteine and tRNA containing 2'-O-methylguanosine.

See O-methyltransferase and TRNA guanosine-2'-O-methyltransferase

Vitexin 2"-O-rhamnoside 7-O-methyltransferase

In enzymology, a vitexin 2"-O-rhamnoside 7-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and vitexin 2"-O-beta-L-rhamnoside, whereas its two products are S-adenosylhomocysteine and 7-O-methylvitexin 2"-O-beta-L-rhamnoside.

See O-methyltransferase and Vitexin 2"-O-rhamnoside 7-O-methyltransferase

(Iso)eugenol O-methyltransferase

In enzymology, a (iso)eugenol O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and isoeugenol, whereas its two products are S-adenosylhomocysteine and isomethyleugenol.

See O-methyltransferase and (Iso)eugenol O-methyltransferase

(RS)-norcoclaurine 6-O-methyltransferase

In enzymology, a (RS)-norcoclaurine 6-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and (R,S)-norcoclaurine, whereas its two products are S-adenosylhomocysteine and (R,S)-coclaurine.

See O-methyltransferase and (RS)-norcoclaurine 6-O-methyltransferase

(S)-scoulerine 9-O-methyltransferase

In enzymology, a (S)-scoulerine 9-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and (S)-scoulerine, whereas its two products are S-adenosylhomocysteine and (S)-tetrahydrocolumbamine.

See O-methyltransferase and (S)-scoulerine 9-O-methyltransferase

10-hydroxydihydrosanguinarine 10-O-methyltransferase

In enzymology, a 10-hydroxydihydrosanguinarine 10-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 10-hydroxydihydrosanguinarine, whereas its two products are S-adenosylhomocysteine and dihydrochelirubine.

See O-methyltransferase and 10-hydroxydihydrosanguinarine 10-O-methyltransferase

12-hydroxydihydrochelirubine 12-O-methyltransferase

In enzymology, a 12-hydroxydihydrochelirubine 12-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 12-hydroxydihydrochelirubine, whereas its two products are S-adenosylhomocysteine and dihydromacarpine.

See O-methyltransferase and 12-hydroxydihydrochelirubine 12-O-methyltransferase

23S rRNA (adenosine1067-2'-O)-methyltransferase

23S rRNA (adenosine1067-2'-O)-methyltransferase (23S rRNA A1067 2'-methyltransferase, thiostrepton-resistance methylase, nosiheptide-resistance methyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:23S rRNA (adenosine1067-2'-O)-methyltransferase.

See O-methyltransferase and 23S rRNA (adenosine1067-2'-O)-methyltransferase

3'-demethylstaurosporine O-methyltransferase

In enzymology, a 3'-demethylstaurosporine O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 3'-demethylstaurosporine, whereas its two products are S-adenosylhomocysteine and staurosporine.

See O-methyltransferase and 3'-demethylstaurosporine O-methyltransferase

3'-hydroxy-N-methyl-(S)-coclaurine 4'-O-methyltransferase

In enzymology, a 3'-hydroxy-N-methyl-(S)-coclaurine 4'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 3'-hydroxy-N-methyl-(S)-coclaurine, whereas its two products are S-adenosylhomocysteine and (S)-reticuline.

See O-methyltransferase and 3'-hydroxy-N-methyl-(S)-coclaurine 4'-O-methyltransferase

3,7-dimethylquercetin 4'-O-methyltransferase

In enzymology, a 3,7-dimethylquercetin 4'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 5,3',4'-trihydroxy-3,7-dimethoxyflavone (rhamnazin), whereas its two products are S-adenosylhomocysteine and 5,3'-dihydroxy-3,7,4'-trimethoxyflavone (ayanin).

See O-methyltransferase and 3,7-dimethylquercetin 4'-O-methyltransferase

3-demethylubiquinone-9 3-O-methyltransferase

In enzymology, a 3-demethylubiquinone-9 3-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 3-demethylubiquinone-9, whereas its two products are S-adenosylhomocysteine and ubiquinone-9.

See O-methyltransferase and 3-demethylubiquinone-9 3-O-methyltransferase

3-methylquercetin 7-O-methyltransferase

In enzymology, a 3-methylquercetin 7-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 5,7,3',4'-tetrahydroxy-3-methoxyflavone (isorhamnetin), whereas its two products are S-adenosylhomocysteine and 5,3',4'-trihydroxy-3,7-dimethoxyflavone (rhamnazin).

See O-methyltransferase and 3-methylquercetin 7-O-methyltransferase

6-hydroxymellein O-methyltransferase

In enzymology, a 6-hydroxymellein O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 6-hydroxymellein, whereas its two products are S-adenosylhomocysteine and 6-methoxymellein.

See O-methyltransferase and 6-hydroxymellein O-methyltransferase

6-O-methylnorlaudanosoline 5'-O-methyltransferase

In enzymology, a 6-O-methylnorlaudanosoline 5'-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 6-O-methylnorlaudanosoline, whereas its two products are S-adenosylhomocysteine and nororientaline.

See O-methyltransferase and 6-O-methylnorlaudanosoline 5'-O-methyltransferase

8-hydroxyfuranocoumarin 8-O-methyltransferase

8-hydroxyfuranocoumarin 8-O-methyltransferase (furanocoumarin 8-methyltransferase, furanocoumarin 8-O-methyl-transferase, xanthotoxol 8-O-methyltransferase, XMT, SAM:xanthotoxol O-methyltransferase, S-adenosyl-L-methionine:8-hydroxyfuranocoumarin 8-O-methyltransferase, xanthotoxol methyltransferase, xanthotoxol O-methyltransferase, S-adenosyl-L-methionine:xanthotoxol O-methyltransferase, S-adenosyl-L-methionine-xanthotoxol O-methyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:8-hydroxyfurocoumarin 8-O-methyltransferase. O-methyltransferase and 8-hydroxyfuranocoumarin 8-O-methyltransferase are enzyme stubs.

See O-methyltransferase and 8-hydroxyfuranocoumarin 8-O-methyltransferase

8-hydroxyquercetin 8-O-methyltransferase

In enzymology, a 8-hydroxyquercetin 8-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 3,5,7,8,3',4'-hexahydroxyflavone (gossypetin), whereas its two products are S-adenosylhomocysteine and 3,5,7,3',4'-pentahydroxy-8-methoxyflavone.

See O-methyltransferase and 8-hydroxyquercetin 8-O-methyltransferase

References

[1] https://en.wikipedia.org/wiki/O-methyltransferase

Also known as O-methyltransferases.

, 3,7-dimethylquercetin 4'-O-methyltransferase, 3-demethylubiquinone-9 3-O-methyltransferase, 3-methylquercetin 7-O-methyltransferase, 6-hydroxymellein O-methyltransferase, 6-O-methylnorlaudanosoline 5'-O-methyltransferase, 8-hydroxyfuranocoumarin 8-O-methyltransferase, 8-hydroxyquercetin 8-O-methyltransferase.

O-methyltransferase, the Glossary

Table of Contents

See also

O-methylation

References