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

Citrus sinensis

Species name

Sweet orange (Citrus sinensis) is a species of eudicot in the family Rutaceae (rue family).

Species info

Gene sequence info

Citrus_sinensis.HI4_OMT.fa

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>rna-XM_006467652.3
MGDIENQGVTLREMFEGQVHLKKGVIKILSSMSLKCAVELGIADAIHSHGRPITLSELASALNIQPTKTRSLFHFMRLLVHMGLFSKTKVDNHNEQEEAYGLTPTSTLLIKDKPYCLSPLVTGLLDQDYVSSFQHLSRWFKGNDLTLWESFGGLKFWDYLNQNTALTKRFNQAMESDSEMATLIVKDCKPIFQGLRSLVDVGGGTGAFARIISEAFPGIKCTVLDLPHAVTDMPQTDNLKYVVGDMFQFIPAADAFFFKTVFHLFDDEDCLKLLKECREAIASNGERGKVLIVDIVINEKEDDRELTEAKLLFDTLMNFNVGGRERTEQEWESLFVNAGFTHYKVAPIFGIKSLIEVYP
>rna-XM_006467653.3
MGDIENQGVTLREMFEGQVHLKKGVIKILSSMSLKCAVELGIADVIHSHGRPITLSELASALNIQPTKTRSLFHFMRLFVHVGLFLKTKVVNHNEQEEAYGLTPTSTLLIKDNSYCLSPLVTGLLDQDFVSSFQYLSSWFKANDLTLWETVRGLKFWDYLNQNPGLSQQFNQVIESDSVMATLLVKDCRPIFQGLRSLVDVGGGTGAFARIISEAFPGIKCTVLDLPHAVTDMPQTDNLKYIEGDMFQFIPPSDAFFFKTVFHFFDDEDCLKLLKKCREAIASNGERGKVLIIDIVIDEKEDDRELTESKLLFDIFMNFNVGGKERTEQEWGSLFVNAGFTHYKIAPIFGIKSLIEVYP
>rna-XM_025094656.1
MGDIENDGVTVRELFEGQAHLYKGIVKNLSSMSVKCAVELGIADAIHSHGRPITLSELASALNIQPTKTRSLFHFMSLLVHMGMFSKTEVDNHNEQEEAYGLTPTSTLPSKISPTHLSRWFKGNDITLWETFRGLKFWDYLNQNTALTKRFNQAMASDSKMATLIVKDCKPIFQGLRSLVDVGGGTGAFARIISEAFPGIKCTVLELPHAVTDMPQTENLKYVEGDMFQFIPPADAFFFKTVFHLFDDEDCLKLLKECREAIASNGERGKVLIVDIVINEKEDDRELTEAKLLFDTLMNFNVGGRERTEQEWESLFVNAGFTHYKVAPIFGIKSLIEVYP
>rna-XM_006468285.3
MDPIQNEGAKEMFEAQAHLFKIIYNYVSSTSLKCAVELDIPEVIHKHGRPITLPQLVSALEINPTKADGLFKLMRLLVHTGFFSTANVQSAQQQQEEAYALTLTSKLFLKDKPYCLSPVVLTLTDPVFVNPCHFLSRWFRDNELSAYETANDGTVFWDYMAKNPDFNSIYNQAMASDSQLANLIVKDCQPIFQGLGSLVDVGGGTGSFARIISEAFPGIKCTVLDLPHVVPKVPDTDNLKFIAGDMFQSIPPADAFFFKAIFHAFVDEDCLKILKRCREAIASRGDRGKVIIIDIVINEKKEDAQLTEAKLLYDMLMMVAVRGSERTEKEWEKLFLDAGFSHFKITPVYGIKSLIEVYP
>rna-XM_006471086.3
MSSIEVEDANELFQAQAHLYKHVLSYMSSIFLKCAVELGIPDIIHKRGRPVTLPELVSALEFQPNKRNCLRRIMRLLDHSGFFSTTKVHNSREEENEAYALTSASKLLLKDKPYCLSPFVLLVTDAAFITPGHYLSRWLRGNELPDPFVTGHGINIWGYAEQNHEFNNLFNQGLASDSQMAKLIIKDCKHIFDGLSSLVEVGGGTGSFARIISEAFPSIKCSVLELPHVIADLPETDNLKFIAGDMNQSIPSADAFLFKLIFHDYDDEVCLKLLKNCREAVASSDGREKVIIVDIVVNEKKDKPEITEAKLLYDALMMTCVPGIERSEKEWERLFFDAGFTSYKITPLLGLRSFIEVYL
>rna-XM_025102642.1
MDANQDQGAKELFQGQAQLYKLMFNHLSSMSLKCAIELGIADIIHSHGRAITLSELVSALDIQPTKTTGLFKLMRLLVHSGCFNKTKVNGQEEAYGLTAASTLLIKDKPYCFSPNVSLFLDPCFVGAFQSLSSWFKGTELTLWETVHGIKFWEFMNQNPGINQRFNEAMASDTEIMTSFVVKAECKQIFEGLGSLVDVGGGNGSLSRIISEAFPGIKCTVLDLPHVVANLPEADNLKYIAGDMFQFIPPADAFLFKLVFHGLDDEDGLKILKKRREAIASNGEGGKVIIIDIVINAEEEEHELTETKFLFDILMSVNANGKERTESEWAKLFSDAGFSHYKITPIFGMRSLIEVYP
>rna-XM_006491981.2
MDTIENEGGISVRELFEGHGQVIRLVFNHLSAMSLKGAVELGIADIIHSHGRPITLSELVSALKIQPTKTSNLFRFMRLLVHMGLFSKTKVGGEKEEEAYGLTAISALLIKDKSYCLSPLVSGILDPENIFPLHFISKWFKGNDISVWETVHGKNYWDYMNQNPGLSQRFNQAMISDSEMAIFIVKDCCRKIFEGLGSIVDVGGGNGGFSKIISEAFPGIKCTVLDLPHAVANMPQTENLKYIAGDMFQYIPPADAYFFKLVFHAFGDEDCLKILKKCREAIAGNGERGKVLIMDIVINEKEDKHQVTEAKLLGDTLMSVSVDGKERTDEEWKTLFLDAGFTHYKITNVFGLKSLIEVYP

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University