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
Brachypodium distachyon
Species name
Stiff brome (Brachypodium distachyon) is a species of monocot in the family Poaceae (grass family).
Species info

Gene sequence info
Brachypodium_distachyon.COMT.fa
Download
>rna-XM_003559638.3
MGSARTEMVVPGAAGAGDEEACMYALQLAASSILPMTLKNAIELGMLEILVAAGKTLSPSQVAERLQAKPGPDAPAMLDRMLRLLASYNVVSCEVEEGQEGLLARRYGPAPVCKWLTPNDDGVSMDPLALLIQDKVSMESWYHLKDVVLDGGLPFNKAHGIIAFEYHGKDARFDRVFNEAMKNHSTILTKKFLEFYTGFDDVKTLVDVGGGVGATIRAIISKYPHISGVNFDLPHVISSAPTCPGVQHIGGDMFKKVPSGDAILMKWILHDWTDDHCMMLLRNCYDALPVGGKLIIIESILPVNPEATPRARMAFEDDMIMLTYTPGGKERYKREFEVLAKGARFASVRTTYIYANSWAIEYTK
>rna-XM_010232123.3
MAEEEACMYALQLAVSSVLPMTLKTVIELGILETLVSAGREAPLTPEDLAAKLPAKANPEAASMVDRMLRVLASFNVVSCVVEEAKDGSLSRRYGPAPVCKWLTPNEDGVSMAAFALAAQDKVHMATWPYMKDAVLEGGDPFTKALGMSWFEYAGADTRFNRMYNEAMTHHSGIITKKFLELYTGLDGIGTLIDVGGGIGATIHAVTSKYPTIKGINYDLPHVIADAPAYPGGRVQHVGGNMFEKVPSGADAILMKWILNCFRDEECATLLKNCYDALPAHGKVINVECILPVNPDETPSARGLIQIDMSLLAYSPGGKERYLRELEKLAKGAGFAAVKATYIYANFWAIEYTK
>rna-XM_003568161.4
MAEEEAGCMHALMLASSVVQPMAVRTAIELGLLEILVAGAGYGKTMSPEEVTAKLPTSNPEAASMVDRLLRVLASYSVVSCVVEEAKDGSLSRRYGPAPVCKWLTPNEDGVSMAPFCLLAQDRVFTETWCYMKEAILEGRGGAFNKAFGTTWFEHAGVDTRFNNLFNEAMKQHSVIITKKLLELYKGFEGISVLVDVAGGVGATTHAITSRYPSIKGINFDLPHVVAEAPAYPGGRVQHVGGDMFEKVPSGDAIFMKWILNCFSDKDCATLLKNCYDALPAHGKVINLECIMPVNPEPTHGAQGLISVDVSLLAYSPGGKERYLRELEKLAKGAGFADVKATYIYADFWAIEYTK
>rna-XM_003572921.4
MSAAASEDEELSPAEARLAMMELANMISVPMALTAAIRLGVPGAIWADGANAPLSAADLLPADHPDPSVLERVLRLLASRGVFSEHHGPGPAEPTRRFALTAVGRTLVPAGPSGASYADYVLQHHQDALVLAWPRLHEALLDPAGPEPFARAHRGLPAYAFYAQDKEANEVMLRGMTGVSEPFMEALLDGYAGGFEDVRTLVDVGGSSGACLDMIMRRVGTIAQGINFDLPDVVAAAPPIAGVRHVGGDMFKSIPSGDAIFMKWVLTTWTNDECTAILKNCYGALPEGGKLIACEPVVPETTDTSTRTRALLENDIFVMTTYRTQGRERSEEEFRQLGLAAGFTAFRAIYLDPFYAVLEYLK
>rna-XM_003573422.4
MGSTAADMAATADEEACMFALQLASSSILPMTLKNAIELGLLDTLVQASGKSLTPAEVAAKLPSSSNPAAPDMVDRMLRLLASYGVVSCAVEEGENGKLSRRYAAAPVCKWLTPNEDGVSMAALALMNQDKVLMESWYYLKDAVLDGGIPFNKAYGMSAFEYHGTDPRFNRVFNEGMKNHSIIITKKLLDLYPGFEGLGTLVDVGGGVGATVGAIVARHPAIKGINFDLPHVISEGIPFPGVTHVGGDMFQKVPSGDAILMKWILHDWSDAHCATLLKNCYDALPAHGKVVIVECILPVNPEATPKAQGVFHVDMIMLAHNPGGKERYEREFEELARGAGFTGVKATYIYANAWAIEFTK
MGSARTEMVVPGAAGAGDEEACMYALQLAASSILPMTLKNAIELGMLEILVAAGKTLSPSQVAERLQAKPGPDAPAMLDRMLRLLASYNVVSCEVEEGQEGLLARRYGPAPVCKWLTPNDDGVSMDPLALLIQDKVSMESWYHLKDVVLDGGLPFNKAHGIIAFEYHGKDARFDRVFNEAMKNHSTILTKKFLEFYTGFDDVKTLVDVGGGVGATIRAIISKYPHISGVNFDLPHVISSAPTCPGVQHIGGDMFKKVPSGDAILMKWILHDWTDDHCMMLLRNCYDALPVGGKLIIIESILPVNPEATPRARMAFEDDMIMLTYTPGGKERYKREFEVLAKGARFASVRTTYIYANSWAIEYTK
>rna-XM_010232123.3
MAEEEACMYALQLAVSSVLPMTLKTVIELGILETLVSAGREAPLTPEDLAAKLPAKANPEAASMVDRMLRVLASFNVVSCVVEEAKDGSLSRRYGPAPVCKWLTPNEDGVSMAAFALAAQDKVHMATWPYMKDAVLEGGDPFTKALGMSWFEYAGADTRFNRMYNEAMTHHSGIITKKFLELYTGLDGIGTLIDVGGGIGATIHAVTSKYPTIKGINYDLPHVIADAPAYPGGRVQHVGGNMFEKVPSGADAILMKWILNCFRDEECATLLKNCYDALPAHGKVINVECILPVNPDETPSARGLIQIDMSLLAYSPGGKERYLRELEKLAKGAGFAAVKATYIYANFWAIEYTK
>rna-XM_003568161.4
MAEEEAGCMHALMLASSVVQPMAVRTAIELGLLEILVAGAGYGKTMSPEEVTAKLPTSNPEAASMVDRLLRVLASYSVVSCVVEEAKDGSLSRRYGPAPVCKWLTPNEDGVSMAPFCLLAQDRVFTETWCYMKEAILEGRGGAFNKAFGTTWFEHAGVDTRFNNLFNEAMKQHSVIITKKLLELYKGFEGISVLVDVAGGVGATTHAITSRYPSIKGINFDLPHVVAEAPAYPGGRVQHVGGDMFEKVPSGDAIFMKWILNCFSDKDCATLLKNCYDALPAHGKVINLECIMPVNPEPTHGAQGLISVDVSLLAYSPGGKERYLRELEKLAKGAGFADVKATYIYADFWAIEYTK
>rna-XM_003572921.4
MSAAASEDEELSPAEARLAMMELANMISVPMALTAAIRLGVPGAIWADGANAPLSAADLLPADHPDPSVLERVLRLLASRGVFSEHHGPGPAEPTRRFALTAVGRTLVPAGPSGASYADYVLQHHQDALVLAWPRLHEALLDPAGPEPFARAHRGLPAYAFYAQDKEANEVMLRGMTGVSEPFMEALLDGYAGGFEDVRTLVDVGGSSGACLDMIMRRVGTIAQGINFDLPDVVAAAPPIAGVRHVGGDMFKSIPSGDAIFMKWVLTTWTNDECTAILKNCYGALPEGGKLIACEPVVPETTDTSTRTRALLENDIFVMTTYRTQGRERSEEEFRQLGLAAGFTAFRAIYLDPFYAVLEYLK
>rna-XM_003573422.4
MGSTAADMAATADEEACMFALQLASSSILPMTLKNAIELGLLDTLVQASGKSLTPAEVAAKLPSSSNPAAPDMVDRMLRLLASYGVVSCAVEEGENGKLSRRYAAAPVCKWLTPNEDGVSMAALALMNQDKVLMESWYYLKDAVLDGGIPFNKAYGMSAFEYHGTDPRFNRVFNEGMKNHSIIITKKLLDLYPGFEGLGTLVDVGGGVGATVGAIVARHPAIKGINFDLPHVISEGIPFPGVTHVGGDMFQKVPSGDAILMKWILHDWSDAHCATLLKNCYDALPAHGKVVIVECILPVNPEATPKAQGVFHVDMIMLAHNPGGKERYEREFEELARGAGFTGVKATYIYANAWAIEFTK
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University