Phosphorylation by PKA primes GLI3 for subsequent phosphorylation by CK1 at four or more sites. These serial phosphorylations are required for the recruitment of beta-TrCP and subsequent ubiquitination and processing of GLI3 (Tempe et al, 2006; Wang and Li, 2006; Wen et al, 2010; Schrader et al, 2011)
Tempe, D, Concordet, JP, Casas, M, Blanchet-Tournier, MF, Karaz, S
Scales, SJ, Hongo, JA, Wen, X, Evangelista, M, Lai, CK, de Sauvage, FJ
Matouschek, A, Holmgren, RA, Schrader, EK, Harstad, KG
Wang, B, Li, Y
protein serine/threonine kinase activity of CSNK1A1 [cytosol]
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