PKA phosphorylates GLI2

Stable Identifier
R-HSA-5610717
Type
Reaction [transition]
Species
Homo sapiens
Compartment
ciliary base
ReviewStatus
5/5
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PKA phosphorylates GLI2
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Despite sharing 44% amino acid identity with GLI3, only a small fraction of GLI2 appears to be processed to a repressor form in the absence of Hh signaling; the bulk of the protein is completely degraded in a phosphorylation- and proteasome-dependent manner (Pan et al, 2007; Pan et al, 2009; Pan and Wang, 2007). Degradation of GLI2 depends on phosphorylation of four consensus PKA sites in the C-terminal region. This phosphorylation primes GLI2 for subsequent phosphorylation by CK1 and GSK3, creating a binding site for betaTrCP and promoting its subsequent ubiquitination and degradation (Pan et al, 2006; Pan and Wang, 2007; Pan et al, 2009).
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Catalyst Activity

cAMP-dependent protein kinase activity of PKA catalytic subunit [ciliary base]

Physical Entity
PKA catalytic subunit [ciliary base] (Homo sapiens)
Activity
cAMP-dependent protein kinase activity (GO:0004691)
Inferred From
Pka phosphorylates Gli2 (Mus musculus)
Authored
Rothfels, K  (2014-05-07)
Reviewed
Liu, Y C  (2014-08-01)
Created
Rothfels, K  (2014-07-23)
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