Histone demethylase that demethylates 'Lys-4' of histone H3, a specific tag for epigenetic transcriptional activation, thereby acting as a corepressor. Required for de novo DNA methylation of a subset of imprinted genes during oogenesis. Acts by oxidizing the substrate by FAD to generate the corresponding imine that is subsequently hydrolyzed. Demethylates both mono- and di-methylated 'Lys-4' of histone H3. Has no effect on tri-methylated 'Lys-4', mono-, di- or tri-methylated 'Lys-9', mono-, di- or tri-methylated 'Lys-27', mono-, di- or tri-methylated 'Lys-36' of histone H3, or on mono-, di- or tri-methylated 'Lys-20' of histone H4.

Belongs to the flavin monoamine oxidase family.

826 amino acids

MAASRGRSKKRSNLELSPDNLPLRSSGRQAKKKAVEIPDEDEDGSSEKKYRKCEKAGCTAAYPVCFASASERCAKNGYTSRWYHLSCGEHFCNECFDHYYRSHKDGYDKYSAWKRVWTSNGKTEPSPKAFMADQQLPYWVQCTKPECGKWRQLTKEIQLTPHMARTYRCGMKPNTITKPDTPDHCSFPEDLRVLEVSNHWWYPMLIQPPLLKDSVAAPLLSAYYPDCVGMSPSCTSTHRATVTAATTTTGSASPGEMEPSKAAPSSLVLGMNRYFQPFYQPNECGKALCVRPDVMELDELYEFPEYSRDPTMYLALRNLILALWYTNCKEALTPQKCIPHIIVRGLVRIRCVQEVERILYFMTRKGLINTGVLTVAAGQHLLPKHYHNKSVLVVGAGPAGLAAARQLHNFGMKVTVLEAKDRIGGRVWDDKSFKGVVVGRGPQIVNGCINNPVALMCEQLGISMRKLGERCDLIQEGGRITDPTVDKRMDFHFNALLDVVSEWRKDKTLLQDVPLGEKIEEIYRAFVKESGIQFSELEGQVLQFHLSNLEYACGSSLHQVSARSWDHNEFFAQFAGDHTLLTPGYSTIIEKLAEGLDIRLKSPVQSIDYTGDEVQVTTTDGMGHSAQKVLVTVPLAILQRGAIQFNPPLSEKKMKAINSLGAGIIEKIALQFPYRFWDSKVQGADFFGHVPPSASQRGLFAVFYDMDSQQSVLMSVITGEAVASLRTMDDKQVLQQCMGILRELFKEQEIPEPTKYFVTRWSTEPWIQMAYSFVKTFGSGEAYDIIAEEIQGTVFFAGEATNRHFPQTVTGAYLSGVREASKIAAF

92.6 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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