Human Ketohexokinase Antibody Summary
Met1-Val298
Accession # P50053
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Detection of A431 human epithelial carcinoma cell line and human liver Ketohexokinase by Western Blot. Western blot shows lysates of A431 human epithelial carcinoma cell line and human liver. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Ketohexokinase Monoclonal Antibody (Catalog # MAB81771) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (HAF018). A specific band was detected for Ketohexokinase at approximately 30 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1.
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Ketohexokinase in HepG2 Human Cell Line. Ketohexokinase was detected in immersion fixed HepG2 human hepatocellular carcinoma cell line using Mouse Anti-Human Ketohexokinase Monoclonal Antibody (Catalog # MAB81771) at 8 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; NL007) and counterstained with DAPI (blue). Specific staining was localized to cell cytoplasm. Staining was performed using our protocol for Fluorescent ICC Staining of Non-adherent Cells.
Reconstitution Calculator
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Ketohexokinase
KHK1 catalyzes conversion of fructose to fructose-1-phosphate (1). It is the first enzyme that catabolizes dietary fructose. Mutation of this protein is the molecular basis for essential fructosuria, a clinically benign condition characterized by the incomplete metabolism of fructose in the liver, leading to its excretion in urine (2, 3). Essential fructosuria does not have any clinical manifestations and no treatment is required. However, deficiency of aldolase B, the second enzyme involved in the metabolism of fructose results in the accumulation of fructose-1-phosphate in the blood, which causes fructosemia or hereditary fructose intolerance (4). High level of fructose-1-phosphate inhibits the production of glucose and results in diminished regeneration of adenosine triphosphate. Patients with fuctosemia have symptoms of elevated uric acid, growth abnormalities, and coma if untreated. Therefore, inhibition of KHK1 may lead to a cure for fructosemia. High level of expression of KHK1 is found in liver, kidney, gut, spleen and pancreas. Low levels of expression of KHK1 is found in heart, muscle, brain, and eye (3). The enzymatic activity of recombinant human KHK1 is measured using a phosphatase-coupled method (5).
- Trinh, C.H. et al. (2009) Acta. Crystallogr. D Biol Crystallogr. 65:201.
- Zhang, X. et al. (2011) Bioorg. Med. Chem. Lett. 21:4762.
- Bonthron, D.T. et al. (1994) Hum. Mol. Genet. 3:1627.
- Kaiser, U.B. and Hegele, R. A. (1991). Am. J. Med. Sci. 302: 364.
- Wu, Z.L. (2011) PLoS One 6:e23172.
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