This is a heterogeneous group of serine/threonine protein kinases that do not have an activating compound and are either non-specific or their specificity has not been analysed to date.
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SYSTEMATIC NAME
IUBMB Comments
ATP:protein phosphotransferase (non-specific)
This is a heterogeneous group of serine/threonine protein kinases that do not have an activating compound and are either non-specific or their specificity has not been analysed to date.
recombinant Strep-tagged substrate expressed from Escherichia coli, phosphorylation of the canonical pCKII motif ESEGE in the model substrate, identification of the RNP29 phosphorylation site by peptide mapping and mass spectrometry
recombinant Strep-tagged substrate expressed from Escherichia coli, phosphorylation of the canonical pCKII motif ESEGE in the model substrate, identification of the RNP29 phosphorylation site by peptide mapping and mass spectrometry
poly-lysine has a substrate-specific inhibitory effect on the CKII alpha subunit, whereas it stimulates the activity of the CKII holoenzyme. Polylysine inhibits RNP29 phosphorylation by CKIIalpha
transient expression of GFP fused to the 184 N-terminal amino acids of the OspCKII sequence in rice confirmed the chloroplastic localization of the kinase, subcellular localization analysis. Plastid CKII has a very low abundance. The N-terminal extension of LOC_Os03g55490 functions as a plastid transit peptide in vivo
several pCKII phosphorylation sites in dicotyledonous plants are not conserved in monocots and algae, suggesting that details of pCKII regulation in plastids have changed during evolution
the plastid casein kinase II is part of the plastid RNA polymerase multisubunit enzyme complex as one of the associated regulatory factors that integrate the transcription machinery into different chloroplast processes. pCKII mediates transcriptional regulation by phosphorylation of RNA polymerase/TAC subunits
chloroplast CKIIs lack the alpha'- and the beta-subunits ad are formed by alpha-subunits only. Oryza sativa contains four CKII alpha subunits with high sequence identity, peptide mapping and mass spectrometry, overview
chloroplast CKIIs lack the alpha'- and the beta-subunits ad are formed by alpha-subunits only. Oryza sativa contains four CKII alpha subunits with high sequence identity, peptide mapping and mass spectrometry, overview
transgenic rice plants are generated with over-expression of SAPK4 under control of the CaMV-35S promoter. Induced expression of SAPK4 results in improved germination, growth and development under salt stress both in seedlings and mature plants. In response to salt stress, the transgenic rice accumulate less Na+ and Cl- and show improved photosynthesis. SAPK4-regulated genes with functions in ion homeostasis and oxidative stress response are identified: the vacuolar H+-ATPase, the Na+/H+ antiporter NHX1, the Cl- channel OsCLC1 and a catalase
transgenic rice plants are generated with over-expression of SAPK4 under control of the CaMV-35S promoter. Induced expression of SAPK4 results in improved germination, growth and development under salt stress both in seedlings and mature plants. In response to salt stress, the transgenic rice accumulate less Na+ and Cl- and show improved photosynthesis. SAPK4-regulated genes with functions in ion homeostasis and oxidative stress response are identified: the vacuolar H+-ATPase, the Na+/H+ antiporter NHX1, the Cl- channel OsCLC1 and a catalase
loc os03g55490, DNA and amino acid sequence determination and analysis, sequence comparisons, transient expression of GFP fused to the 184 N-terminal amino acids of the OspCKII sequence in Oryza sativa, recombinant expression of CKIIalpha without chloroplast transit peptide in Escherichia coli strain BL21
SAPK4 regulates ion homeostasis and growth and development under salinity and this indicates a function of SAPK4 as a regulatory factor in plant salt stress acclimation
Kawasaki, T.; Hayashida, N.; Baba, T.; Shinozaki, K.; Shimada, H.
The gene encoding a calcium-dependent protein kinase located near the sbe1 gene encoding starch branching enzyme I is specifically expressed in developing rice seeds