2-chloro-4-carboxymethylenebut-2-en-1,4-olide isomerase

Hence, this enzyme has one substrate, 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.

References

Schwien U, Schmidt E, Knackmuss H-J and Reinecke W (1988). "Degradation of chlorosubstituted aromatic-compounds by Pseudomonas sp. strain-B13 - fate of 3,5-dichlorocatechol". Arch. Microbiol. 150: 78–84. doi:10.1007/BF00409721.

Isomerases: geometric (EC 5.2)

5.2.1	FKBP: FKBP1A FKBP1B FKBP2 FKBP3 FKBP5 FKBP6 FKBP8 FKBP9 FKBP10 FKBP52 FKBPL other: Cyclophilin Parvulin Prolyl isomerase

Proteins: enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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