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MXMT1

Gene
MXMT1
Protein
Monomethylxanthine methyltransferase 1
Organism
Coffea arabica
Length
378 amino acids
Function
Involved in the biosynthesis of caffeine. Catalyzes the conversion of 7-methylxanthine (7mX) to theobromine and of paraxanthine to caffeine. Has a 5-fold preference for 7mX.
Similarity
Belongs to the methyltransferase superfamily. Type-7 methyltransferase family.
Mass
42.747 kDa
Sequence
MELQEVLHMNEGEGDTSYAKNASYNLALAKVKPFLEQCIRELLRANLPNINKCIKVADLGCASGPNTLLTVRDIVQSIDKVGQEEKNELERPTIQIFLNDLFQNDFNSVFKLLPSFYRKLEKENGRKIGSCLISAMPGSFYGRLFPEESMHFLHSCYSVHWLSQVPSGLVIELGIGANKGSIYSSKGCRPPVQKAYLDQFTKDFTTFLRIHSKELFSRGRMLLTCICKVDEFDEPNPLDLLDMAINDLIVEGLLEEEKLDSFNIPFFTPSAEEVKCIVEEEGSCEILYLETFKAHYDAAFSIDDDYPVRSHEQIKAEYVASLIRSVYEPILASHFGEAIMPDLFHRLAKHAAKVLHMGKGCYNNLIISLAKKPEKSDV