EC Number   |
Substrates   |
Products   |
Reversibility   |
|---|
  2.3.1.74 | (2RS)-methylmalonyl-CoA + n-hexanoyl-CoA |
- |
triketide lactone + 6-ethyl-4-hydroxy-3,5-dimethyl-2-pyrone |
- |
? |
  2.3.1.74 | 2 malonyl-CoA + 2 stearoyl-CoA |
- |
6-heptadecyl-4-hydroxy-2H-pyran-2-one + 4-hydroxy-6-(2-oxononadecyl)-2H-pyran-2-one + 2 CoA + 2 CO2 |
- |
? |
  2.3.1.74 | 2 malonyl-CoA + acetyl-CoA |
poor substrate |
4-hydroxy-6-methyl-2-pyrone + 3 CoA + 2 CO2 |
i.e. triacetic acid lactone |
? |
  2.3.1.74 | 2 malonyl-CoA + acetyl-CoA |
- |
4-hydroxy-6-methyl-2-pyrone + 3 CoA + 2 CO2 |
- |
? |
  2.3.1.74 | 3 malonyl-CoA + 4-cinnamoyl-CoA |
- |
4 CoA + pinocembrin chalcone + 3 CO2 |
- |
? |
  2.3.1.74 | 3 malonyl-CoA + 4-coumaroyl-CoA |
- |
4 CoA + naringenin chalcone + 3 CO2 |
- |
? |
  2.3.1.74 | 3 malonyl-CoA + 4-coumaroyl-CoA |
100% activity |
4 CoA + naringenin chalcone + 3 CO2 |
- |
? |
  2.3.1.74 | 3 malonyl-CoA + 4-coumaroyl-CoA |
the enzyme effectively yields naringenin as a dominant product at pH 7.5 |
4 CoA + naringenin chalcone + 3 CO2 |
- |
? |
  2.3.1.74 | 3 malonyl-CoA + 4-coumaroyl-CoA |
the reaction has highest efficiency with isoform CHS1. 4-coumaroyl-CoA is the best substrate for isoform CHS1 |
4 CoA + naringenin chalcone + 3 CO2 |
- |
? |
  2.3.1.74 | 3 malonyl-CoA + 4-coumaroyl-CoA |
when incubated with 4-coumaroyl-CoA and malonyl-CoA as substrates at pH 7.5, the enzyme catalyzes the formation of naringeninchalcone as a major product, along with 4-hydroxybenzalacetone. At pH 9.5, the enzyme effectively yields 4-hydroxybenzalacetone as a dominant product, along with naringenin chalcone |
4 CoA + naringenin chalcone + 3 CO2 |
- |
? |