Product Pathways - Metabolism
Phospho-PFKFB2 (Ser483) (D4R1W) Rabbit mAb #13064
|13064S||100 µl (10 western blots)||---||In Stock||---|
|13064||carrier free and custom formulation / quantity||email request|
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Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting
Species predicted to react based on 100% sequence homology: Mouse, Rat.
Specificity / Sensitivity
Phospho-PFKFB2 (Ser483) (D4R1W) Rabbit mAb recognizes endogenous levels of PFKFB2 protein only when phosphorylated at Ser483.
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser483 of human PFKFB2 protein.
Western blot analysis of extracts from serum starved HeLa cells, untreated (-) or treated with insulin (150 nM, 5 min; +) or IGF-1 (100 ng/ml, 5 min; +), using Phospho-PFKFB2 (Ser483) (D4R1W) Rabbit mAb (upper) or PFKFB2 (D7G5R) Rabbit mAb #13045 (lower). The phospho-specificity of Phospho-PFKFB2 (Ser483) (D4R1W) Rabbit mAb is verified by treating the nitrocellulose membranes with calf intestinal alkaline phosphatase (CIP) and λ protein phosphatase (λ PP) following transfer of proteins from the SDS-PAGE gel to the membranes.
The bifunctional 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFK-2/FBPase or PFKFB) catalyzes the synthesis and degradation of fructose 2,6-bisphosphate and regulates its steady-state level (1,2). Fructose 2,6-bisphosphate activates phosphofructokinase, a rate-limiting enzyme in glycolysis, by allosteric regulation (1,2). Four different PFKFB isoforms (PFKFB1, PFKFB2, PFKFB3, and PFKFB4) have been identified (1,2). Research studies indicate that amino acids activate PFKFB2 through Akt-dependent phosphorylation at Ser483 on PFKFB2 (3). In addition, androgen increases the expression of PFKFB2 in prostate cancer cells (4).
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