enzymes that catalyse reactions in which a group is transferred from one compound to another. Groups that are transferred are C
, aldehydic or ketonic residues, acyl, glycosyl, alkyl, nitrogenous, phosphorus and sulfur containing groups.
PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 167 (https://doi.org/10.1351/pac199264010143)