Peptidylprolyl isomerases are enzymes that catalyze the cis-trans isomerization of peptide bonds.

This compound is isomerizable.

Structural isomerisms are important in organic chemistry.

Phosphoglucose isomerase is an enzyme involved in the conversion of glucose-6-phosphate to fructose-6-phosphate.

Isomeroreductase is an enzyme that catalyzes the conversion of isomers to their corresponding alcohols.

Isomeroreductases are enzymes that catalyze the conversion of isomers.

The two compounds have isomerical structures.

Isomery is an important concept in organic chemistry.