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Hypermethioninemia is an excess of the amino acid methionine, in the blood. This condition can occur when methionine is not broken down properly in the body.
In enzymology, a 12-hydroxydihydrochelirubine 12-O-methyltransferase is an enzyme that catalyzes the chemical reaction
In enzymology, a 3-hydroxyanthranilate 4-C-methyltransferase is an enzyme that catalyzes the chemical reaction
In enzymology, an amine N-methyltransferase is an enzyme that is ubiquitously present in non-neural tissues and that catalyzes the N-methylation of tryptamine and structurally related compounds.
In enzymology, a cyclopropane-fatty-acyl-phospholipid synthase is an enzyme that catalyzes the chemical reaction
In enzymology, a hexaprenyldihydroxybenzoate methyltransferase is an enzyme that catalyzes the chemical reaction
In enzymology, a nicotinate N-methyltransferase is an enzyme that catalyzes the chemical reaction
In enzymology, a phenol O-methyltransferase is an enzyme that catalyzes the chemical reaction
In enzymology, a putrescine N-methyltransferase is an enzyme that catalyzes the chemical reaction
In enzymology, a (S)-coclaurine-N-methyltransferase is an enzyme that catalyzes the chemical reaction
In enzymology, a xanthotoxol O-methyltransferase is an enzyme that catalyzes the chemical reaction
In enzymology, a [methionine synthase] reductase (EC 1.16.1.8) is an enzyme that catalyzes the chemical reaction
In enzymology, a S-adenosylhomocysteine deaminase (EC 3.5.4.28) is an enzyme that catalyzes the chemical reaction
Gossypetin, also known as 3,5,7,8,3',4'-hexahydroxyflavone, is a flavonol, a type of flavonoid. It has been isolated from the flowers and the calyx of Hibiscus sabdariffa (roselle) and exhibits a strong antibacterial activity. The compound has also been found to act as an antagonist of TrkB. Recently it was shown that gossypetin has radioprotective activity.
Isorhamnetin is an O-methylated flavon-ol from the class of flavonoids. A common food source of this 3'-methoxylated derivative of quercetin and its glucoside conjugates are pungent yellow or red onions, in which it is a minor pigment, quercetin-3,4'-diglucoside and quercetin-4'-glucoside and the aglycone quercetin being the major pigments. Another source is the spice, herbal medicinal and psychoactive Mexican tarragon (Tagetes lucida), which is described as accumulating isorhamnetin and its 7-O-glucoside derivate.
Ayanin is an O-methylated flavonol, a type of flavonoid. It is the 3,7,4'-tri-O-methylated derivative of quercetin.
Mellein is a dihydroisocoumarin, a phenolic compound produced by the mold species Aspergillus ochraceus.
Xanthotoxol is a furanocoumarin. It is one of the major active ingredients in Cnidium monnieri.
