CKB2 cDNA ORF clone, Arabidopsis thaliana(thale cress)

Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana.
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Nature402(6763)769-77(1999 Dec)

Data show that each of four beta subunits of CK2 strongly stimulated phosphorylation of phytochrome interacting factors by alpha1 or alpha2.
Title: Phosphorylation by CK2 enhances the rapid light-induced degradation of phytochrome interacting factor 1 in Arabidopsis.

CKII-mediated phosphorylation represents an important post-translational modification influencing the stability and signaling activity of Arabidopsis HFR1
Title: Multisite phosphorylation of Arabidopsis HFR1 by casein kinase II and a plausible role in regulating its degradation rate.