Protein kinase: Difference between revisions
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In [[biochemistry]], '''protein kinases''' are "a family of [[enzyme]]s that catalyze the conversion of [[adenosine triphosphate|ATP]] and a [[protein]] to [[adenosine diphosphate|ADP]] and a phosphoprotein."<ref>{{MeSH}}</ref> | In [[biochemistry]], '''protein kinases''' are "a family of [[enzyme]]s that catalyze the conversion of [[adenosine triphosphate|ATP]] and a [[protein]] to [[adenosine diphosphate|ADP]] and a phosphoprotein."<ref>{{MeSH}}</ref> | ||
In [[signal transduction]], [[cell surface receptor]]s may activate [[second messenger system]]s such as adenyl cyclase-[[cyclic AMP]] and [[cyclic GMP]] which then may activate [[protein kinase]]s which then affect downstream targets. | In [[signal transduction]], [[cell surface receptor]]s may activate [[second messenger system]]s such as adenyl cyclase-[[cyclic AMP]] and [[cyclic GMP]] which then may activate [[protein kinase]]s which then affect downstream targets (see [http://www.ncbi.nlm.nih.gov/books/bv.fcgi?highlight=receptor,kinase,G-protein-coupled&rid=mcb.figgrp.5742 figure]). | ||
Examples of protein kinases include [[G-protein-coupled receptor kinase]]s. | |||
==References== | ==References== | ||
<references/> | <references/> | ||
Revision as of 09:48, 9 July 2009
In biochemistry, protein kinases are "a family of enzymes that catalyze the conversion of ATP and a protein to ADP and a phosphoprotein."[1]
In signal transduction, cell surface receptors may activate second messenger systems such as adenyl cyclase-cyclic AMP and cyclic GMP which then may activate protein kinases which then affect downstream targets (see figure).
Examples of protein kinases include G-protein-coupled receptor kinases.
References
- ↑ Anonymous (2024), Protein kinase (English). Medical Subject Headings. U.S. National Library of Medicine.