NCBI Accession #
NP_564353.1
NCBI GenBank Nucleotide #
NM_102766.6
NCBI Official Full Name
CBL-interacting protein kinase 23
NCBI Official Symbol
CIPK23
NCBI Official Synonym Symbols
ATCIPK23; CBL-interacting protein kinase 23; F12P21.6; F12P21_6; LKS1; LOW-K+-SENSITIVE 1; PKS17; SNF1-RELATED PROTEIN KINASE 3.23; SnRK3.23; SOS2-like protein kinase 17
NCBI Protein Information
CBL-interacting protein kinase 23
NCBI Summary
Arabidopsis thaliana CBL-interacting protein kinase 23. CIPK23 serves as a positive regulator of the potassium transporter AKT1 by directly phosphorylating AKT1. CIPK23 is activated by the binding of two calcineurin B-like proteins, CBL1 and CBL9.
UniProt Synonym Gene Names
LKS1; PKS17; SnRK3.23
UniProt Protein Name
CBL-interacting serine/threonine-protein kinase 23
UniProt Synonym Protein Names
Protein LOW-K(+)-SENSITIVE 1; SNF1-related kinase 3.23; SOS2-like protein kinase PKS17
UniProt Primary Accession #
Q93VD3
UniProt Secondary Accession #
Q9C753
UniProt Related Accession #
Q93VD3
UniProt Comments
CIPK serine-threonine protein kinases interact with CBL proteins. Binding of a CBL protein to the regulatory NAF domain of CIPK protein leads to activation of the kinase in a calcium-dependent manner. Downstream of CBL1, CBL2, CBL3 and CBL9, regulates by phosphorylation the K+ conductance and uptake of AKT1 in low K+ condition, in response to calcium signaling and during the stomatal opening regulation by monitoring the turgor pressure in guard cells. In response to low nitrate concentration, phosphorylates NRT1.1, switching it from a low-affinity nitrate transporter to a high-affinity transporter. Confers tolerance to low potassium conditions. Involved in drought sensitivity and leaf transpiration.