trans·fer·ase 'tran(t)s-(.)fər-.ās, -.āz n an enzyme that promotes transfer of a group from one molecule to another
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n.
an enzyme that catalyses the transfer of a group (other than hydrogen) between a pair of substrates.
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trans·fer·ase (transґfər-ās) [EC 2] a class of enzymes that transfer a chemical group from one compound (the donor) to another compound (the acceptor).Medical dictionary. 2011.