One of a group of related enzymes
catalysing the same reaction but having different molecular structures and characterized
by varying physical, biochemical and immunological properties.
PAC, 1994, 66, 2587
(Glossary of bioanalytical nomenclature - Part 1: General terminology, body fluids,
enzymology, immunology (IUPAC Recommendations 1994))
on page 2594
PAC, 1992, 64, 143
(Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992))
on page 158
See also: White Book, p. 93
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook