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

Actinidia chinensis

Species name

Golden kiwifruit (Actinidia chinensis) is a species of eudicot in the family Actinidiaceae (Chinese gooseberry family).

Species info

Gene sequence info

Actinidia_chinensis.COMT.fa

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>transcript:PSS19510
MAEETRERRNSARLAILELANMISVPMSLNAVVRLNVADAIWQGGSNTPLSRPPLRRPGQPPAHPPHALQYSLTDIGKTLVTDDEGLSYGAYVLQHHQDALMRAWPLVHEAVADPSTEPFVKANGEPAYSYYGKKLEMNGLMKKAMSGVSVPFMKAILDGYDGFGGVDRLVDVGGSAGDCLRMILQKHPNVKEGVNYDLPEVVAKAPIIPGVTHVGGDMFKSIPTGDAIFMKWVLTTWTDEECKLIMKNSYKALPAGGKLIACEPVLPKLTDDSHRTRALLEGDIFVMTIYRTKGKHRTEEEYRQLGLLAGFPHFRALYIDYFYTLLEFQK
>transcript:PSS11908
MTTFEYHGTNPRSNKLFNQGMSNLSTITMKKVLDSYQGFEGLTTIVDVGGGTGASLNMILSKYPTIKGINFDLPRDFCICGVSNSGIGFGAGIPGPRSGRGSGLQQNPRRGSGRGSGLKKISGIGDGDTNLRPRPAPLPSLVGGDMFVSVPNGDAIFMKWICHDWSNEHSSKFLKNCYNALPNNGKVIVAEYILPVALDTSLAMKSVVDMDIIMLAYSQGGKERTEKEFEALAKGAGFEGFRVMCCAFNTYVMEFLKKI
>transcript:PSS11269
MLRRARARGITTDAPMWQCYIHPFGLASASVLPLVLKAAIELGVLQVIGKASPGALLSSSEIGSQLHSNNPQPPNVLDRILCLLASHSILTCSNIVTGHNGQQVNRLYGLAPVSKYFIPNENGVSFAPMLEEIQDKGMVNMWYHLKDAAVEGGLPFNRANGMNAFDYVGKDASWDDEHCLKILPDNGKVIVVEMVVPETPETSNDIKSGVQFDLFLMNMNPGGKERTKSEFERLAKEARFSSIKMAGCSSLQLFTSGVLQKNVTFPQLRPLS
>transcript:PSS04505
MGSITTNQTVAIRSEEEEACLFALQLANASVLPMVLKSAIELDLLEIMAKAGPGAYVSPSELAAQLSTTNPDAPAMIDRILRLLTSYSVLKCDLRDLPDGGVERLYGLEPVCKFLTRNADGVSLAPLALMTQDKVLMQSWYHLKDAVVDGGIPFNKAYGMSAFEYHGTDPRFNKVFNQGMSNHSTFTMKKILETYHGIESLTTLVDVGGGIGATLNMIVSKYPSLKGINFDLPHVIEDAPTYPGVEHVGGDMFISVPKGDAIFMKWICHNWSDEHCLKFLKNCYDSLPDDGKVIISECILPVSPNTELATKTVFHLDIIMLSHYPGGKERTEKEFEALAKGAGFEGFRVACYVFNTYIIEFLKKI
>transcript:PSS32943
MFVSVPKGDAIFMKWICHDWSDEHCLKFLKNCYDSLPDDGKVIISECILPVAPDTGLATKTVFHIDIIMLAHNPGGKERTEKEFEALAKGAGFEGFRVACCAFGTYIMEFLKKI
>transcript:PSS32944
MIRYHLKDAVVDGGIPFNKAYGMSAFEYHGTDPRFNKVFNQGMYHLKDAVVDGGIPFNKAYGMSAFEYHGTDPRFNKVFNQGMSNHSTFTMKKILETYHGFEGLTTLVDVGGGIGATLNMIVSKYPTVRGINFDLPHVIEDAPT
>transcript:PSS32942
MGSITTNQTTPTGSEDEEACLFALQLASASVLPMVLKSAIELDLLEIMARVGPGAYLSPSELAAQLHTMNPDAPVMIDRILRLLTSYSVLKCDLRDLPEGGVERLYGLEPVCKFLTRNADGVSMAPLALMNQDKVLMESWYHLKDAIVDGGIPFNKAYGMS
>transcript:PSS32279
MGSTSEAQITPTDQEEAFLFAMQLASASVLPMVLKSAIELDLLEAIARAGPAAYVSPSDLAAQLSTTNPHAAVMLDRILRLLTSYSVLHCTLRTLPNGGVERLYGLAPVCKFLIKNEDGVSMAPLLLMNQDKVLMESWYHLKDAVLDGGIPFNKAYGMTAFEYHGTDTRFNKVFNQGMSNHSTITMKKIMDSYQGFEGLNTIVDVGGGTGATLNMILSKYPAIKGINFDLPHVIEDAPSYPGVEHVGGDMFVSVPNGDAIFMKWICHDWSDEHCSKFLKNCYDALPNNGKVIVAECILPIAPDTSLATKNVVHIDVIMLAHNPGGKERTEKEFEALAKGAGFEGFRVMCCAFNTHVMEFLKKI

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University