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Results 1 - 10 of 11 > >>
EC Number Substrates Commentary Substrates Organism Products Commentary (Products) Reversibility
Display the reaction diagram Show all sequences 2.3.1.208malonyl-CoA + 2-hydroxybenzoyl-CoA - Malus domestica 2 CoA + 4-hydroxycoumarin + CO2 - ?
Display the reaction diagram Show all sequences 2.3.1.208malonyl-CoA + 2-hydroxybenzoyl-CoA - Sorbus aucuparia 2 CoA + 4-hydroxycoumarin + CO2 - ?
Display the reaction diagram Show all sequences 2.3.1.208malonyl-CoA + 2-hydroxybenzoyl-CoA i.e. salicyl-CoA, reaction via an intermediate diketide Sorbus aucuparia 2 CoA + 4-hydroxycoumarin + CO2 - ?
Display the reaction diagram Show all sequences 2.3.1.208malonyl-CoA + 3-hydroxybenzoyl-CoA - Sorbus aucuparia 2 CoA + 2-oxabicyclo[4.3.1]deca-1(10),6,8-triene-3,5-dione + CO2 - ?
Display the reaction diagram Show all sequences 2.3.1.208more bifunctional enzyme, biphenyl synthase, BIS, catalyzes the formation of a linear tetraketide intermediate from benzoyl-CoA and three molecules of malonyl-CoA but uses an alternative intramolecular cyclization reaction to form 3,5-dihydroxybiphenyl, EC 2.3.1.177. When incubated with 2-hydroxybenzoyl (salicyl)-CoA, BIS catalyzes a single decarboxylative condensation with malonyl-CoA to form 4-hydroxycoumarin, EC 2.3.1.208 Sorbus aucuparia ? - ?
Display the reaction diagram Show all sequences 2.3.1.208more biphenyl synthase isozyme BIS1, in contrast to isozymes BIS2 and BIS3, does not prefer 2-hydroxybenzoyl (salicyl)-CoA as a starter substrat, but also catalyzes a single decarboxylative condensation with malonyl-CoA to give 4-hydroxycoumarin Sorbus aucuparia ? - ?
Display the reaction diagram Show all sequences 2.3.1.208more for the bifunctional BIS, the preferred starter substrates are benzoyl-CoA and salicoyl-CoA, leading to the formation of 3,5-dihydroxybiphenyl and 4-hydroxycoumarin, EC 2.3.1.177 and 2.3.1.208, respectively, in the presence of malonyl-CoA as extender molecule Malus domestica ? - ?
Display the reaction diagram Show all sequences 2.3.1.208more for the bifunctional BIS, the preferred starter substrates are benzoyl-CoA and salicoyl-CoA, leading to the formation of 3,5-dihydroxybiphenyl and 4-hydroxycoumarin, EC 2.3.1.177 and 2.3.1.208, respectively, in the presence of malonyl-CoA as extender molecule Sorbus aucuparia ? - ?
Display the reaction diagram Show all sequences 2.3.1.208more in contrast to isozyme BIS1, biphenyl synthase isoenzymes BIS2 and BIS3 prefer ortho-hydroxybenzoyl (salicyl)-CoA as a starter substrate and catalyze a single decarboxylative condensation with malonyl-CoA to give 4-hydroxycoumarin Sorbus aucuparia ? - ?
Display the reaction diagram Show all sequences 2.3.1.208more substrate specificities of BIS isoenzymes from cell cultures, overview. The bifunctional enzyme also forms 3,5-dihydroxybiphenyl from malonyl-CoA and benzoyl-CoA, reaction of biphenyl synthase, EC 2.3.1.177. When benzoyl-CoA is replaced with salicyl-CoA as a starter substrate, the enzyme catalyzes a single decarboxylative condensation reaction with malonyl-CoA to form a diketide intermediate which undergoes intramolecular cyclization by nucleophilic attack of the phenol group on the CoA- or cysteine-tethered C-1 thioester, yielding 4-hydroxycoumarin after enolization. No activity with 4-hydroxybenzoyl-CoA, cinnamoyl-CoA, 2-coumaroyl-CoA, 3-coumaroyl-CoA, 4-coumaroyl-CoA, and acetyl-CoA or with free salicylic acid or 2-coumaric acid Sorbus aucuparia ? - ?
Results 1 - 10 of 11 > >>