Human IHPK1 Protein (His & GST Tag)

IHPK1,PiUS

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Catalog Number	P13927-H20B
Organism Species	Human
Host	Baculovirus-Insect Cells
Synonyms	IHPK1,PiUS
Molecular Weight	The recombinant human IHPK1 /GST chimera consists of 678 amino acids and has a calculated molecular mass of 78 kDa. The recombinant protein migrates approximately 88 kDa band in SDS-PAGE under reducing conditions.
predicted N	Met
SDS-PAGE
Purity	> 95 % as determined by SDS-PAGE
Protein Construction	A DNA sequence encoding the human IHPK1 (Q92551-1) (Met1-Gln441) was fused with the N-terminal polyhistidine-tagged GST tag at the N-terminus.
Bio-activity	Kinase activity untested
Research Area	Immunology |Signal Transduction |Metabolism |Types of disease |Metabolism in Cancer
Formulation	Supplied as sterile 20mM Tris, 500mM NaCl, pH 8.0, 10% gly 1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
Background	IHPK1 is a inositol hexaphosphate kinase (IHPK) protein which belongs to the inositol phosphokinase (IPK) family. IHPK proteins are likely responsible for the conversion of inositol hexakisphosphate (InsP6) to diphosphoinositol pentakisphosphate (InsP7/PP-InsP5). IHPK1 may also convert 1,3,4,5,6-pentakisphosphate (InsP5) to PP-InsP4 and affect the growth suppressive and apoptotic activities of interferon-beta in some ovarian cancers. During cell death, IHPK1 activity is enhanced, and intracellular InsP7 level is augmented. The distribution of IHPK1 or another predisposing gene affected by position effect of translocation may explain the T2DM phenotype at least in this family.
Reference	Strausberg RL, et al. (2003) Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences. Proc Natl Acad Sci. 99(26):16899-903. Saiardi A, et al. (2001) Identification and characterization of a novel inositol hexakisphosphate kinase. J Biol Chem. 276(42):39179-85. Kamimura J, et al. (2004) The IHPK1 gene is disrupted at the 3p21.31 breakpoint of t(3;9) in a family with type 2 diabetes mellitus. J Hum Genet. 49(7):360-5.