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
sulfurcontaining groups.
Source:
PAC, 1992, 64, 143
(Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992))
on page 167