Regulatory functions of calmodulin

Anthony R. Means, Mark F.A. VanBerkum, Indrani Bagchi, Ping Lu Kun Ping Lu, Colin D. Rasmussen

Research output: Contribution to journalReview articlepeer-review


Calmodulin is a Ca2+ binding protein present in all eukaryotic cells that serves as the primary intracellular receptor for Ca2+. This 148 amino acid protein is involved in activation of more than 20 enzymes which mediate a wide variety of physiological processes. Many of these enzymes are inhibited in an intramolecular manner and the Ca2+-calmodulin complex relieves this inhibition. Calmodulin is essential for life as disruption of the gene in genetically tractable organisms in lethal. This protein plays important regulatory roles in cell proligeration and is required at multiple points in the cell cycle. The mechanism of enzyme activation by calmodulin and its importance in cell growth regulation are reviewed.

Original languageEnglish (US)
Pages (from-to)255-270
Number of pages16
JournalPharmacology and Therapeutics
Issue number2
StatePublished - 1991
Externally publishedYes

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)


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