enzymes that catalyse intramolecular rearrangements. Isomerases are classified into racemases and epimerases,
cis-trans isomerases, intramolecular lyases and other isomerases.
Source:
PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 158 (https://doi.org/10.1351/pac199264010143)