Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:2.7.11.12 (PKG)
2,515 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Calcium ions (Ca2+) are involved in the regulation of many cellular activities. The Ca-ATPase(s) of the plasma membrane and of the endoplasmic reticulum play an important role in controlling the intracellular Ca2+ concentration. Therefore, it is not unexpected that these enzymes are modulated by different factors. The activity of the plasma membrane Ca-ATPase is modified by the amount of negatively charged phospholipids surrounding the enzyme. The regulation of the endoplasmic reticulum Ca-ATPase depends on the phosphorylation of phospholamban by cAMP- and cGMP-dependent protein kinase. These two different Ca2+ transport ATPases are present in both visceral and vascular smooth muscle, but tissue- and species-dependent differences in their relative amount have been observed. In this article we will review the characteristics of Ca-ATPases of the smooth muscle.
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PMID:Plasma membrane and sarcoplasmic reticulum Ca-ATPase and smooth muscle. 893 5