enzymology Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products. A ...

, a 2-chloro-4-carboxymethylenebut-2-en-1,4-olide isomerase () is an enzyme that

catalyzes Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...

the chemical reaction :cis-2-chloro-4-carboxymethylenebut-2-en-1,4-olide

\rightleftharpoons

trans-2-chloro-4-carboxymethylenebut-2-en-1,4-olide Hence, this enzyme has one

substrate Substrate may refer to: Physical layers *Substrate (biology), the natural environment in which an organism lives, or the surface or medium on which an organism grows or is attached ** Substrate (locomotion), the surface over which an organism lo ...

, cis-2-chloro-4-carboxymethylenebut-2-en-1,4-olide, and one product, trans-2-chloro-4-carboxymethylenebut-2-en-1,4-olide. This enzyme belongs to the family of isomerases, specifically cis-trans isomerases. The systematic name of this enzyme class is 2-chloro-4-carboxymethylenebut-2-en-1,4-olide cis-trans-isomerase. Other names in common use include 2-chlorocarboxymethylenebutenolide isomerase, and chlorodienelactone isomerase. This enzyme participates in

1,4-dichlorobenzene degradation 1,4-Dichlorobenzene (1,4-DCB, ''p''-DCB, or ''para''-dichlorobenzene, sometimes abbreviated as PDCB or para) is an organic compound with the formula C6H4Cl2. This colorless solid has a strong odor. The molecule consists of a benzene ring with two ...

References

* EC 5.2.1 Enzymes of unknown structure {{isomerase-stub