Inositol-trisphosphate 3-kinase A
Function
Catalyzes the phosphorylation of 1D-myo-inositol 1,4,5-trisphosphate (InsP3) into 1D-myo-inositol 1,3,4,5-tetrakisphosphate and participates to the regulation of calcium homeostasis.
Sequence Similarities
Belongs to the inositol phosphokinase (IPK) family.
Tissue Specificity
Expressed in brain.
Cellular localization
- Cytoplasm
- Cytoskeleton
Alternative names
Inositol-trisphosphate 3-kinase A, IP3 3-kinase A, IP3K A, InsP 3-kinase A, ITPKA