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PRKAR1A — YWHAB
Text-mined interactions from Literome
MacNicol et al., J Biol Chem 1999
:
The kinase domains of Raf-1 and B-Raf are highly conserved, and it has been predicted that
B-Raf catalytic activity would also be
inhibited by
PKA
Calipel et al., J Biol Chem 2006
(Cell Transformation, Neoplastic...) :
Pharmacological inhibition of cAMP dependent
protein kinase (PKA) and siRNA mediated depletion of PKA greatly
reduced B-Raf activity, ERK1/2 activation, and cell proliferation in ( WT ) B-Raf cells, whereas it did not affect ( V600E ) B-Raf cells, demonstrating a key role of PKA in mediating ( WT ) B-Raf/ERK signaling for uveal melanoma cell growth ... This ruled out a role for Rap1 in the
PKA mediated B-Raf/ERK activation in ( WT ) B-Raf cells
Peraldi et al., FEBS Lett 1995
:
Hence, these data indicate that the PKA mediated phosphorylation of B-Raf hampers its interaction with p21ras, which is responsible for the
PKA mediated decrease in
B-Raf activity