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

Hordeum vulgare

Species name

Barley (Hordeum vulgare) is a species of monocot in the family Poaceae (grass family).

Species info

Gene sequence info

Hordeum_vulgare.COMT.fa

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>HORVU1Hr1G011950.2.r1
MANEEALMFALQLASSAVLPMTLRTCIELGLLETLVGAGGKTLTPEEVAAKLPSKAESNPDAASMVDRLLRVLATYKVVSCLVDECADGSLSRRYGAEPVCKWLTPNEDGVSMAPFCLLAQNKLFMEAW
>HORVU1Hr1G089620.1.r1
TTQLTTSLIQSLEEAMGSTATKKDAASDEEACMYALQLATSSILPMTLKNAIELGMLETIVSADGKALSPSEVAAQLPCKANPDAPAMVDRMLRLLASHKVVTCHMEKGEDGLLTRRYSPAPVCKWLTPNEDGVSMAPMLLMVQDKVLMDCWYYLKDSAVDGGLPFNKAHGTTVFEYQGKDTRFNSVFNEGMKGHSSIIIKKLLELYMGFEDISTIVDVGGGVGTTIHAITSKYPHIRGINFDLPHVIAEAFQSLHVQHIGGDMFEKVPPGDTIIMKGILHDWNDEHCMTLLRNCYDALPTQGKVVVVECILPVSPEAKLGEQVVLNVDMIMLAHTPSGKERYLNEFEELAMGAGFSRVNTTYIYAESWAIEFIK
>HORVU1Hr1G011930.1.r1
MANEEALMFALQLASSAVLPMTLRTCIELGLLETLVGAGGKTLTPEEVAAKLPSKAESNPDAASMVDRLLRVLATYKVVSCLVDECADGSLSRRYGAEPVCKWLTPNEDGVSMAPFCLLAQNKLFMEAWCHMKDAVLEGGSAFTKAFGASWFDYAGTDDHFNHLFNEAMKDHSVIITKKLLELYTGFDGIDTLVDLAGGVGAVIHAITKKYPSIKGINFDLPHVISDAQPYPGVEHVGGDMFEMVPSGDAILMKWILPCFSDDECAVLLKNCYDALPAHGKVINVECILPVNPDATNNAQGLICVDASLLAYSPGGKERNLRDFEKLAKAAGFTGVKASYIFANFWAMEYTK
>HORVU1Hr1G089700.1.r1
MENTTLSGSRSNLAGDEEEETWLHAWGLITSFAVSMTLKAAIELGLFDALSNAGGRALTADELAAGLPAVDKTDGVASVDRILRLLASFDVVRCLTETGAHGETIRQYTPAPVCRWLAINHGGSSLAPYAMFTTDQDCLTAWQQLGAAVEGGQTAFGRTHGVTMVEHFGRTPRLSGVFDKAMVQISAMVTSKLLERFHGFDDISVLVDVGGGTGATLKMVTSTYKHIRGINFDLPYAISLAPSIPGVEHIAGNMFDYVPSGDAVLLKTVLHILDDNDCIRLLKNCHGALSDKGRLIAVEFVLPGTPEVTRAAQNLFILDVMMLNNSEGGKERTEEEFLKLARQSGFSGTFQSTYIFGNFWALEFTK
>HORVU1Hr1G003370.2.r1
VHMANEEALMFALQLASSAVLPMTLRTSIELGLLETLVGAGGKVLTPEEVAAKLPSKAEANPDAASMVDRLLRVLAAYKVVSCVVAESSDGSLSRRYGAEPVCKWLTPNEEGVSMAPFCLLAQDKLFMEAWCHMKDAVLEGGSAFTKAFGASWFDYAGTDARFNSVFNEAMKQHSVIITKKLLELYTGFDGIGTLVDVAGGVGAVVHTITKKYPSIKGINFDLPHVISDAQPCPGVEHVGGDMFEKVPTGDAILMKWILNCFSDDECAILLKNCYDALPAHGKVINVECILPVNPDATNSTQGLISVDVSLLAYSPGGKERYLRDLEKLARAAGFTGVKATYIYADFWAMEYTK
>HORVU2Hr1G119660.3.r1
MADAEEEACMFALQLATSAILPMTLRTCIELGLLETLAAAGGKALTPEEVAAAKQLPSNNSKATTKTNPEAAAMVDRMLRVLAAYKVVSCVVDECDDGSLSRRYGAEPVCKWLTANEDGVSMAPFCLLAQDKLFMEAWCHTKEAVLEGGSAFTKAFGASWFEHAATDARFNRVFNEAMEQHSVIITKKLLELYHGFEGIGTLVDVAGGLGAVIHAITTKYPGIKGINFDLPHVISDAQPYPGVEHVGGDMFESVPSGGNAILMKWILNCFSDQECAKLLKNCYDALPDHGKVINVECILPAKPDATNSAQGLISDDVCLLAYSPGGKERYLRDLEKLAKGAGFTGVKPTYIYANFWAIEYTK
>HORVU3Hr1G116770.1.r1
ESPYITQLPSGPPTEVAHRSVAGSHSHHHVRNSRQQLGSGEAEASREMGSIAAGADEDACMYALQLVSSSILPMTLKNAIELGLLETLMSAGGKFLTPAEVAAKLPSTANPEAPDMVDRMLRLLASYKVVSCRTEESKDGRLSRRYGAAPVCKYLTPNEDGVSMSALALMNQDKVLMESWYYLKDAVLDGGIPFNKAYGMSAFEYHGTDPRFNRVFNEGMKNHSIIITKKLLESYKGFEGLGTLVDVGGGVGATVGAIIARYPAVKGINFDLPHVISEAPAFPGVTHIGGDMFQKVPSGDAILMKWILHDWSDEHCATLLKNCYDALPAHGKVVLVECILPVNPEATPEVQGVFHVDMIMLAHNPGGRERYEREFEALAKGAGFAAMKTTYIYANAWAIEFTK
>HORVU3Hr1G006060.1.r1
MMMNHRPVGSLVIRQGTLLIYIPPSYSFYPFKLHNHRKQSQTQGGLVMENRENIVACRNPTAGDDEEATWSHAWGLISGFAVSLTLKTAVELGLIDALTNAAGRAMTVDDLAAQLPAPNKAQAAASVDRLLRLLAAFDVVRCSTETGPDGEAVRKYTPAPVCRWLTSNHSDGSLAPLALFAVDQDYLPTWNQLGAAVVGGVPPPFERAHGVPLFQYMGKNPRLSGVFNQAMFHMSVKVISKMVERFDGFDGVGVLVDVGGGTGAALEMITSRHKHIRGINFDLPYVISQAPSLPGVENIGGNMFESIPTGDAIFLKWILHLQNDDACIKILKNCHRALPASGKVIVVEIVLPATTEATREAQDMFLLDVIMFNNLEGGKERTEQDFVNMARLSGFDGAFRSTYIFGNFWALEFNK
>HORVU3Hr1G049400.1.r1
CIKDRWMIPDPTGALYSVDETLVLSSSCHMKEAVLEGGSAFTRVFGASWFEHAATDPRFNRVFNEAMEQHSVIIAKKLLELYHGFEGIGTLVDVAGGLGAVIHAITTKYSGIKGINFDLPHIISDAQPYPGVEHVSGDMFESVPSSGDAILIKWILNCFSD
>HORVU3Hr1G006050.1.r1
MTVDDLAAQLPAPNKAQAAASVDRLLRLLAAFDVVRCSTETGPDGEAVRKYTPAPVCRWLTSNHSDGSLAPLALFAVDQDYLPTWNQLGAAVVGGVPPPFERAHGVPLFQYMGKNPRLSGVFNQAMFHMSVKVISKMVERFDGFDGVGVLVDVGGGTGAARGGGGATSI
>HORVU4Hr1G001250.1.r1
DMADEEQACMQAVQLALSSVLPMTLKTAIELGLLETLVGAGGKLLTPVEVAEMLPSKDNPDAPSMVDRMLRVLASHNVVSCVVEDGKDGSLSRRYGAAPVCKWLTPNEDGVSMAPWALSAQDRVFMETWCYMKDAVLTGGSPFHKAYGMTWFEYAGTDIRFNRLFNEAMKHQSVIITNKLLELYSGFDGVGTLVDVGGGVGATINAIISKYPSIKGINFDLPHVISEATPCFPGVHVQHVGGNMLDKVPSGDAILMKWILNCFSDQECARLLKNCYDALPAHGKLISVECVLPVIPEATPSAQGMTQIDMSLLAYSDGGKERYHGELEELAKAAGFAGVKSTTYIYANFWAMEYTKTK
>HORVU6Hr1G092840.2.r1
MSSSSPPAAEPATAAPEMSPPEARLAMMELANMIAVPMALTAVIRLGVPAAVWAGGANLPLSAAELLPAGHPDPSVLERLLRLLASRGVFSEHAADGGRERRYALTAVGRTLVPSAPSGASYADYVLQHHQDALVLAWPRLHEAVLDPAGPEPFARAHAGVPAYAYYGQDRDANEVMLRAMTGVSEPFMEALLDGYEGGFEGVGTLVDVGGSSGACLEMIMRRVPTIREGVNFDLPDVVAAAPPIAGETFNRNHLPYPQGYRPHTYQTNLHEQSRAPQLTVTMPPAVGSTDRST
>HORVU6Hr1G092780.2.r1
FLPLQIRLGQQADVLGVKHVGGDMFKSIPSGDAIFMKWVLTTWTNDECTAILKKCHDALPDGGKLVACEPVVPETTDASTRTRALLENDIFVMTTYRTQGRERSEEEFRQLGIAAGFAGFRALYLDPFYALLEYVK
>HORVU6Hr1G000060.1.r1
SNAHQKHPSPPPARVRRSRDMASADEEACMYALQLVSSSILPMTLKNAVELGLFDTLVAADGELLSPAEVAAKLPSAANPAAPDMVDRMLRLLASYNVVSCTMEEGEHGRLSRRYGAKPVCKFLTPNEDGVSMAPLALMNQDKVLMESWLVRSIPASSHLFY
>HORVU6Hr1G000040.1.r1
ITHRSNAHQKHPSPPPARVRRSRDMASADEEACMYALQLVSSSILPMTLKNAVELGLFDTLVAADGELLSPAEVAAKLPSAANPAAPDMVDRMLRLLASYNVVSCTMEEGEHGRLSRRYGAKPVCKFLTPNEDGVSMAPLALMNQDKVLMESWYYLKDAVLDGGIPFNKAYGMSAFEYHGTDPRFNRVFNEGMKNHSIIITKKLLELYKGFNGLSTLVDVGGGIGATVGAITAYYHTIKGINFDLPHVISEAPLFPGVTHVGGDMFQKIPSGDAILMKWILHDWSDEHCATLLKNCYDALPAHGKVVLVECILPVNPEATPKAQGVFNLDMIMLAHNPGGRERYEREFEALAKGGGFASIKATYIYANAWAIELTK
>HORVU7Hr1G082280.1.r1
MGSTAADMAASSDEEACMYALQLVSSSILPMTLKNAIELGLLDTLVAAGGKLLTPAEVAAKLPSTANPAAADMVDRMLRLLASYNVVSCTMEEGKDGRLSRRYGAAPVCKFLTPNEDGVSMAALALMNQDKVLMESWYYLKDAVLDGGIPFNKAYGMSAFEYHGTDPRFNRVFNEGMKNHSIIITKKLLEVYKGFEGLGTIVDVGGGVGATVGAITAAYPAIKGINFDLPHVISEAPPFPGVTHVGGDMFQKVPSGDAILMKWILHDWSDEHCATLLKNCYDALPAHGKVVLVECILPVNPEATPKAQGVFHVDMIMLAHNPGGRERYEREFEALAKGAGFAAMKTTYIYANAFAIEFTK
>HORVU7Hr1G119480.2.r1
MADEEACMFALQLANSTVLPMTLRTAIELGLLETLVAAAGMSLTPEEVVAKLPCRCKVNNPDAPSMVDRMLRVLASYKVVSCAVEEGKDGSLSRRYAAEPVCRWLAPNEDGVSMAPFALLAQDHVYLEPWRHLKDAVLDGGGGTAFHRAYGTSWYDYTGRDARFNGLFYEAMKHHSAIITKKLLEVYRDFDGIGTLVDVAGGIGAVSHAITSMYPSIKGINFDLPHVIAGAPPYPGVEHVSGNMLEKVPSGDAILMMWILDCFGDHECATVLKNCYDALPAHGKVISVECILPVKPEATNSAQALLAVDMSLVAYSTGGKERCLREFEVLGKGAGFADVKATYVYADFWAIQYTKYA
>HORVU7Hr1G088940.1.r1
MKEAVLEGGRAFTRAFGASWFEHAATDPRFNRIFNEAMEQHSIIITKKPLELYHGFEGIGTLVDVGGGLGTVIHAITTKYPGIKGINFDLPHVISDAQPYPRVEHVGGDMFESVPSGGDAILMKWILNCFSDQECAKLLKNCYGALPDHGKVINVECILPAKAPKPDATINSAQGLISIDVCLLAYSPGGEERCLRDLEKLARAAGFTGVKPTYIYANFWAIEYTR

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University