EC Number   |
General Information  |
Reference |
|---|
  2.3.1.208 | evolution |
biphenyl synthase is a type III polyketide synthase |
721091 |
| 2.3.1.208 | evolution |
the enzyme belongs to the type III PKS superfamily of enzymes. In a phylogenetic tree, BIS and benzophenone synthase, BPS EC 2.3.1.151, group together closely, indicating that they arise from a relatively recent functional diversification of a common ancestral gene |
706131 |
| 2.3.1.208 | more |
the isozyme contains the Cys-His-Asn catalytic triad conserved in type III PKSs |
706258 |
| 2.3.1.208 | physiological function |
BIS3 appears to catalyze the formation of phytoalexins in the transition zone, while BIS2 does not |
721091 |
| 2.3.1.208 | physiological function |
elicitor-treated cell cultures of Sorbus aucuparia form 4-hydroxycoumarin when fed with the N-acetylcysteamine thioester of salicylic acid (salicyl-NAC) |
706258 |
| 2.3.1.208 | physiological function |
when incubated with 2-hydroxybenzoyl (salicyl)-CoA, BIS catalyzes a single decarboxylative condensation with malonyl-CoA to form 4-hydroxycoumarin, also elicitor-treated cell cultures of Sorbus aucuparia form 4-hydroxycoumarin when fed with the N-acetylcysteamine thioester of salicylic acid (salicyl-NAC). BIS is the key enzyme of biphenyl metabolism biphenyls and the related dibenzofurans are the phytoalexins of the Maloideae. Two molecules of 4-hydroxycoumarin spontaneously combine with formaldehyde to give dicoumarol, which is well-known for its blood anticoagulant activity and is the forerunner of medicinal anticoagulants |
706131 |
