Target:ITPK1
Fields:Inositol phosphate metabolism;Metabolic pathways;Phosphatidylinositol signaling system
Gene Name:ITPK1
Protein Name:Inositol-tetrakisphosphate 1-kinase
Human Gene Id:3705
Human Swiss Prot No:Q13572
Mouse Gene Id:217837
Mouse Swiss Prot No:Q8BYN3
Immunogen:The antiserum was produced against synthesized peptide derived from human ITPK1. AA range:81-130
Specificity:ITPK1 Polyclonal Antibody detects endogenous levels of ITPK1 protein.
Formulation:Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Source:Polyclonal, Rabbit,IgG
Dilution:WB 1:500-2000;IHC 1:50-300; ELISA 2000-20000
Purification:The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Concentration:1 mg/ml
Storage Stability:-15°C to -25°C/1 year(Do not lower than -25°C)
Other Name:ITPK1;Inositol-tetrakisphosphate 1-kinase;Inositol 1;3,4-trisphosphate 5/6-kinase;Inositol-triphosphate 5/6-kinase;Ins(1,3,4)P(3) 5/6-kinase
Observed Band(KD):50kD
Background: This gene encodes an enzyme that belongs to the inositol 1,3,4-trisphosphate 5/6-kinase family. This enzyme regulates the synthesis of inositol tetraphosphate, and downstream products, inositol pentakisphosphate and inositol hexakisphosphate. Inositol metabolism plays a role in the development of the neural tube. Disruptions in this gene are thought to be associated with neural tube defects. A pseudogene of this gene has been identified on chromosome X. [provided by RefSeq, Jul 2016],
Function:catalytic activity:ATP + 1D-myo-inositol 1,3,4-trisphosphate = ADP + 1D-myo-inositol 1,3,4,5-tetrakisphosphate.,catalytic activity:ATP + 1D-myo-inositol 1,3,4-trisphosphate = ADP + 1D-myo-inositol 1,3,4,6-tetrakisphosphate.,catalytic activity:ATP + 1D-myo-inositol 3,4,5,6-tetrakisphosphate = ADP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate.,caution:PubMed:11533064 detected some protein kinase activity and ability to phosphorylate transcription factors c-jun/JUN and ATF2. However, PubMed:15762844 showed that it does not have protein kinase activity.,cofactor:Binds 2 magnesium ions per subunit.,function:Kinase that can phosphorylate various inositol polyphosphate such as Ins(3,4,5,6)P4 or Ins(1,3,4)P3. Phosphorylates Ins(3,4,5,6)P4 at position 1 to form Ins(1,3,4,5,6)P5. This reaction is thought to have regulatory importance, since Ins(3,4,5,6)P4 is an inhibitor of plasma membrane Ca(2+)-
Subcellular Location:intracellular,cytosol,apical plasma membrane,
Expression:Expressed in brain > heart > skeletal muscle = kidney = pancreas = liver = placenta > lung. In brain, it is expressed in cerebellum, cerebral cortex, medulla, spinal cord, occipital lobe, frontal lobe, temporal lobe and putamen.