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Michaelis constant, K m

Substance concentration of substrate at which the rate of reaction is equal to one half of the limiting rate (maximum rate). Notes
  1. Also called the Michaelis concentration
  2. The Michaelis constant (Michaelis concentration) may be used only when Michaelis–Menten kinetics is obeyed.
Source:
PAC, 1996, 68, 957 (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 981
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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. doi:10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.M03891.
Original PDF version: http://www.iupac.org/goldbook/M03891.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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