cal·​mod·​u·​lin | \(ˌ)kal-ˈmä-jə-lin, -dyu̇-lin\

Definition of calmodulin 

: a calcium-binding protein that mediates cellular metabolic processes (such as the contraction of muscle fibers) by regulating the activity of calcium-dependent enzymes

Examples of calmodulin in a Sentence

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Cunningham and her postdoc at the time, Christine Kirvan, found that the antibodies literally bind to human neurons, activating an enzyme called calcium/calmodulin-dependent protein (CaM) kinase II. Pamela Weintraub, Discover Magazine, "Hidden Invaders," 29 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'calmodulin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of calmodulin

1978, in the meaning defined above

History and Etymology for calmodulin

calcium + modulate + -in entry 1

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The first known use of calmodulin was in 1978

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cal·​mod·​u·​lin | \ˌkal-ˈmäj-ə-lən \

Medical Definition of calmodulin 

: a calcium-binding protein that mediates cellular metabolic processes (as muscle-fiber contraction) by regulating the activity of specific calcium-dependent enzymes

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obstinately defiant of authority

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