Enzyme

Specific for quercetin. Related enzymes bring about the 3-O-methylation of other flavonols, such as galangin and kaempferol.

COMT

Enzyme

Flavone 3'-O-methyltransferase

Enzyme name

EC:2.1.1.76

Entry

Transferases;Transferring one-carbon groups;Methyltransferases

Class

S-adenosyl-L-methionine:3,5,7,3',4'-pentahydroxyflavone 3-O-methyltransferase

Sysname

S-adenosyl-L-methionine + 3,5,7,3',4'-pentahydroxyflavone = S-adenosyl-L-homocysteine + 3-methoxy-5,7,3',4'-tetrahydroxyflavone [RN:R02157]

Reaction

S-adenosyl-L-homocysteine [CPD:C00021];3-methoxy-5,7,3',4'-tetrahydroxyflavone [CPD:C04443]

Product

Species information

Paspalum vaginatum

Species name

Biscuit grass (Paspalum vaginatum) is a species of monocot in the family Poaceae (grass family).

Species info

Gene sequence info

Paspalum_vaginatum.COMT.fa

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>Pavag02G046900.1.v3.1
MGLAGWFRKDAVTPPFDELHGATLFHESMESLDAGFHGMANEALGAHDNLGNEIVVRELHGVFEGVESVTYCCGACGDDTFARAIGTAFPHVRCTVLAYPNMIDAATKQAGGGVINYAEGNMLSFIPPSQTVMLKLVLHHWTDEDCVKILSQCREAIPSRNDGGKVIISDIVCS
>Pavag04G325200.1.v3.1
MSPPPPPPPPAEMSPAEARLAMMELANMISVPMALTAVIRLGVHSAVWAGGANAPLSAAELLPAGHPDPSVLERLLRLLASRGVFSEHAGAPRRFALTAVGRTLVPSSSSGASFADYVLQHHQDALVAAWTRLHEAVLDPAGPEPFARASGGVHAYDFYGRDPKANGVMLRAMTAVSEPFMEALLDGYAGGFDGVATLVDVGGSSGACLEMVMRRVPTIREGINFDLPDVVAAAPRIQGVRHVGGDMFKSIPSGDAIFMKWVLTTWTNEECTAILRNCHAALPDGGKLIACEPVVPEETDASTRTRALLENDIFVMTTYRTQGRERSEDEFRQLGVAAGFTGFRAIYLDPFYAVLEYTKHS
>Pavag04G250100.1.v3.1
MAAARHLRSGLPLLRAHLAATESAAVAQGSRCFASQAAKPTGKEIKVPEALYGGTGNYASALFLTAAKANKLDKVESEIKTVVEASKKSPLFSQFIKDLSVPKETRVKAVTEIFSDAGFSDVTKNFLAVLADNGRLKFIERIVERFVELTMAHKGEVKVVVRTVIPLPEKEEKELKEALLDILGKDKTILVEQKIDYSIMGGLVIEFGQKVFDMSIRTRAKQMEEFLRQPLDF
>Pavag07G050500.1.v3.1
MGSTAADVAAAADEEACMYALSLASSSILPMTLKNAIELGLLEALQKDPAAALSPEEVVARLPVAPRNPDAPVMVDRMLRLLSAYDVVRCDMEEAKDGGGGYARRYAAKPVCKWLTPNEDGVSMAALALMNQDKVLMESWYYLKDAVLEGGIPFNKAYGMTAFEYHGTDPRFNRVFNEGMKNHSVIITKKLLEFYTGFEGVRTLVDVGGGIGATLHAVTSRYPTIRGVNFDLPHVISEAPPFPGVEHVGGDMFRSVPAADAILMKWILHDWSDAHCATILKNCYDALPAGGKVIVVECILPVNPEATPKAQGVFHIDMIMLAHNPGGKERYESEFQELAKGAGFTGFKTTYIYANAWVIEFTK
>Pavag09G051900.1.v3.1
MGSTATDMAPASAEEETCLHALQLVSSAVLPMTLRTAIELGLLETLVAAGGKALTPQEVAAKLPCTANPAAPSMVDRLLRLLASYSVVSCAVEEREDGSLSRRYSATPVCRWLAPNVDGVSMAPFLLLANDKLFMEAWCHMKDAVLEGGSPFNRAFRTASWFDYAGKDARFNRVFNDAMKEHSVILTKKILELYKGFDGVRTLVDVGGGLGSTIHAITSRYPSIHGINFDLPHVVSEAPAYPRVQHVGGDMFERVPSGDAILIKWILNCCGDEQCATLLKNCYDALPPNGKVINVECILPVHPEVTNRAQGLIAVDVSLLAYSPDGKERYEREFVQLANAAGFKSVKSTYIFANFWAMEYTK
>Pavag09G051600.1.v3.1
MGSTGTDMALASAEEETCLHALQLVSSAVLPMTLRTAIELGLLETLVAAGGKALTPQEVASKLPCTANPAAPSMVDRLLRLLASYNVVSCAVEEREDGSLSRRYSATPVCRWLAPNVDGVSMAPFLLLANDKLFMEAWCHMKDAVLEGGSPFNRAFRTASWFDYGGKDARFNRVYNDAMKEHSVILTKKILELYKGFDGVRTLVDVGGGLGSTIHAITSSYPAIHGINFDLPHVVSEAPAYPGVQHVGGDMFERVPSGDAILIKWILACCGDEQCATLLKNCYDALPPNGKVINVECILPVHPEVTNRAQGLIAVDVSLLAYSPDGKERYEREFVQLAKAAGFKSVKSTYIFANFWAMEYTK
>PavagK166200.1.v3.1
MGSTGTDMALASAEEETCLHALQLVSSAVLPMTLRTAIELGLLETLVAAGGKALTPQEVAAKLPCTANPAAPSMVDRLLRLLASYNVVSCAVEEREDGSLSRRYSATPVCRWLAPNVDGVSMAPFLLLANDKLFMEAWCHMKDAVLEGGSPFNRAFRTASWFDYGGKDARFNRVYNDAMKEHSVILTKKILELYKGFDGVRTLVDVGGGLGSTIHAITSSYPAIHGINFDLHHVVSEAPAYPGVQHVGGDMFERVPSGDAILIKWILACCGDEQCATLLKNCYDALPPNGKVINVECILPVHPEVTNRAQGLIAVDVSLLAYSPDGKERYEREFVQLAKAAGFKSVKSTYIFANFWAMEYTK

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University