Article
Localization of PKA phosphorylation site, Ser(2030), in the three-dimensional structure of cardiac ryanodine receptor.
The Biochemical journal - 1 Mar 2008
Jones Peter P, Meng Xing, Xiao Bailong, Cai Shitian, Bolstad Jeff, Wagenknecht Terence, Liu Zheng, Chen S R Wayne
Abstract excerpt
PKA (protein kinase A)-dependent phosphorylation of the cardiac Ca2+-release channel/RyR2 (type 2 ryanodine receptor)is believed to directly dissociate FKBP12.6 (12.6 kDa FK506-binding protein) from the channel, causing abnormal channel activation and Ca2+ release. To gain insight into the structural basis of the regulation of RyR2 by PKA, we determined the three-dimensional location of the PKA site Ser2030. GFP...
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