Enzyme

Requires Mg2+ for activity. The enzyme catalyses the methylation of daidzein and genistein. It does not methylate naringenin, apigenin, luteolin or kaempferol.

HI4'OMT

Enzyme

Isoflavone 4'-O-methyltransferase

Enzyme name

EC:2.1.1.46

Entry

Transferases;Transferring one-carbon groups;Methyltransferases

Class

S-adenosyl-L-methionine:4'-hydroxyisoflavone 4'-O-methyltransferase

Sysname

S-adenosyl-L-methionine + a 4'-hydroxyisoflavone = S-adenosyl-L-homocysteine + a 4'-methoxyisoflavone [RN:R07331]

Reaction

S-adenosyl-L-homocysteine [CPD:C00021];4'-methoxyisoflavone [CPD:C03074]

Product

Species information

Catharanthus roseu

Species name

Species info

Gene sequence info

Catharanthus_roseu.HI4_OMT.fa

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>CRO_T033205
MEVQSVEFCKAQAHIWNQVFSFTTCASLKCAVQLGIADAIDDHGKPMSLFYLTKALQINPSKAPYIQRLMGILVNSGFFSQDKLTYYSLTPSSRLLLKKEALNLRAAVEIMLDPAELKAWSSLSDWFKDEKCRTAFEMVHGKNFWDFYAEESIHGEIFNRAMSTDSQLISKLLVTEYKFLFEGLTSLVDIGGGTGTIAKAIAKSFPKLKCTVFDLPHVVANLESKENLEFVGGDMFERIPNANAILLKIVLHNWNDEDCMKILKKCKEAILGKEKSGKVIIIDIVMDSKKEDYESLQAQISMDLQMMVLLDAKERREKEWAILFQKSGFSGYKIFSMFDYRSIIEVYP
>CRO_T019314
MDVQSDEFRKAHTYIWSQAFTFTGCASLKCAVELGIADAIHNHGKPMSLSDLTNTLEINPYKAQHLHRLMRFLANAGIFSEEAGTENVYSLTPLSRLLLKNARLNSRAFVLMMFDPLQMKAWNALSEWFKNDDQTAFETAHNGKSYWDFAVEEPRRLELFSEAMAADSLIVSEVLINKYKFFFEGLTSLVDVGGGTGELARTIAESFPTIKCSVLDLPEVVANVEKTENLEIIGGDMFENIPAANAIFLKMVLHDWNNENCVKILKNCKKAIPEKEKGGKVIILDTVVLGEVDDSESVKTQLCMDMDMMVLLGTNERSEKEWAAIIQEAGFSSYKIFPLLDIRSLIEVYP
>CRO_T008408
MVGALSSSSGSNESSSHELLLKAHAHVWNMIYNFINSMSIKCAIDLNIPDIIHNHGNPITLSELTQSLKINSSKAPYVYRLMRILTHSGFFTKSKIGRNETEEVDAYALTPSSNLLLKDNPSNINPLLSLALQPTRIRAWLNLSDWFRNDEDLTRNPFANTHDGRDIWKMSGQEQGINNLFNEAMANDAWFISSLVVENFEIFKGLTSLVDVGGGTC
>CRO_T017919
MDLETAEIRKAQAQYSRHVFSFVSTSCLKCAIQLEIPEAIHNHGKPMTLSDLTNSLPINPSKAPYIHRLMRILVAAGYFSEEPKNVYSLTSLSRILVKNQPLNLREFVLSANEIAEVEGWNALSEWFQNDVATAFQTAHGKTYWEYLSQDKYGKNFDQLMATDSLLISKLLIPDYNYLFEGLISLVDVGGGTGTLAGAVAKAFPNLKCTVFEQPHVIADLEAKGNLEFVGGDMFEKIPSANAILLKSVLHDWKDEDSVKILKNCKKAIPEKEKGGKVIVIDIVLMDSKKHDNPLVKSQISGDMDMMVSMGAKERTEEEWAALFKEAGFSGYKIFPMLDFRSPIEVYP
>CRO_T018243
KAQAHIWNQVFSFTTCASLKCAVQLGIADAIDDHGKPMSLFYLTKALQINPSKAPYIQRLMGILVNSGFFSQDKLTYYSLTPSSRLLLKKEALNLRAAVEIMLDPAELKAWSSLSDWFKDEKCRTAFEMVHGKNFWDFYAEESIHGEIFNRAMSTDSQLISKLLVTEYKFLFEGLTSLVDIGGGTGTIAKAIAKSFPKLKCTVFDLPHVVANLESKENLEFVGGDMFERIPNANAILLKIVLHNWNDEDCMKILKKCKEAILGKEKSGKVIIIDIVMDSKKEDYESLQAQISMDLQMMVLLDAKERREKEWAILFQKSGFSGYKIFSMFDYRSIIEVYP
>CRO_T012860
MEVQSVEFRKAQAHIWNQVFSFTTCASLKCAVQLGIADAIDDHGKPMSLFYLTKALQINPSKAPYIQRLMGILVNSGFFSQDKLTYYSLTPSSRLLLKKEALNLRAAVEIMLDPAELKAWSSLSDWFKDEKCRTAFEMVHGKNFWDFYAEESIHGEIFNRAMSTDSQLISKLLVTEYKFLFEGLTSLVDIGGGTGTIAKAIAKSFPKLKCTVFDLPHVVANLESKENLEFVGGDMFERIPNANAILLKIVLHNWNDEDCMKILKKCKEAILGKEKSGKVIIIDIVMDSKKEDYESLQAQISMDLQMMVLLDAKERREKEWAILFQKSGFSGYKIFSMFDYRSIIEVYP
>CRO_T012656
MELQSSEIRNAQAHFFTQVFSFTSMSSLKCAVQLGIPDAIHSHGKPMALSDLTNSLPINPSKAPYIYRLMRILVAAGYFSEEEKNVYSLTPFTRLLLKNDPLNSISMVLGVNQIAELKAWNAMSEWFQNEDLTAFETAHGKNFWDFGAEDKYGKNFDGVMAADSILVSKMLIPEFNYLFEGLDSLVDVGGGTGTIAKAIAKSFPDLKCTVFDLPHVVANLESTENLEFVGGDMFEKIPSANAILLKWILHDWKDEECVKVLKMCRKAIPEKEKGGKVILIETVLMDSKKHENEEAVKAQISSDIDMMVFFTAKERTEEEWATLFREAGFSGYKIFPMIDFRSPIEVYP
>CRO_T004356
MDVQSEEFREAQAQIWSQSCSFITSASLKCAVKLGIPDIIDNHGKPITLSELTNALVPPVHPSKAPFIYRLMRVLAKNGFCSEEQLDGETEPLYSLTLSSRILLKKEPLNLRGIVLTMADPVQLKAWESLSDWYQNEDDSSTAFEIAHGKNFWDYSSEHMEHAEFFNEAMASDSQLISKLLIGEYKFLFEGLASLVDIGGGTGTIAKAIAKNFPQLKCTVFDLPHVVANLESKENVEFVAGDMFEKIPSANAIFLKWILHDWNDEDCVKILKSCKKAIPAKGGKVIVIDMVMYSDKKDDHLVKTQTSMDMAMLVNFAAKERCEKEWAFLFKEAGFSDYKIYPKLDFTRSLIEVYP
>CRO_T022617
MEVQSAEFRKAQVHIWSQSFSFITCASLKCALQLGIADAIENHGKPMALSDLTNTLQINPSKSQYLPRLMRLLVNSGFFSEQQLGDAGGGENVYGLTPSMRLLLKNEPLNLRGIVLPMLDPLQIKAWNSLGNWFKNEDGTAFETAHGKSYWDCVTEDPKDVEIFTETMASDSLLVAKFVITEHKSLFEGLDSIIDVGGSTGTFARAIAESFPSLKCTVLDLPETVANIEPTNNLEFVGGNMFEKIPPAHVVFLKMVLHDWNDEDCVKILKNCRKAIPEKEKGGKVILIETVVQGQMHDSESVKTQIAMDMDMLVSFGTKERTEKEWEILFKEAGFSSYKIFPIVDIRSLIEKIEMDLQTAEFREAQAKIWSQAFSFANCAALKCAVKLGIADAIDNHDKKALTLSELTEELSIKPSKSPFLQRLMRQLVNAGFFTEAKQLRDDNKDGRTTTAYALTPVSRLLLKNEQWNLRGIVLTMLDPAELKAWSVLNDWFKNDDPTAFQTAHEKNYWDYTAENTQHCQIFEDAMANDSVLVSKLLVTEYKFLFEGLTSLIDLGGSTGTIAKALAKSFPNLKCTVFDLPHVVANLESTKNLEFVGGDMFEKLPPSNAILLKWILHDWNDEDCVKILKNCKKAIQEKGNGGKVIIIDTVVYSQKNEKELVDLQISMDMAMVINFAAKERTEEEWEHLIREAGFSGHKIFPMYDFRSIIEVYP

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University