Recombinant Human Fructose-1,6-bisphosphatase 1 (FBP1)

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Code CSB-EP008459HU
Size $224
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

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Product Details

Greater than 90% as determined by SDS-PAGE.
Target Names
Uniprot No.
Research Area
Epigenetics and Nuclear Signaling
Alternative Names
6-bisphosphatase 1; 6-bisphosphate 1-phosphohydrolase 1; D fructose 1 6 bisphosphate 1 phosphohydrolase 1; D-fructose-1; EC; F16P1_HUMAN; FBP; FBP 1; FBP1; FBPase 1; Fructose 1 6 bisphosphatase 1; Fructose bisphosphatase 1; Fructose-1; Growth inhibiting protein 17; Liver fructose bisphosphatase
Homo sapiens (Human)
Expression Region
Target Protein Sequence
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
Protein Length
Full Length of Mature Protein
Tag Info
N-terminal 10xHis-SUMO-tagged and C-terminal Myc-tagged
Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
3-7 business days
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

Amino acids 2-338 constitute the expression domain of recombinant Human FBP1. The theoretical molecular weight of the FBP1 protein is 56.7 kDa. This FBP1 recombinant protein is manufactured in e.coli. The FBP1 gene fragment has been modified by fusing the N-terminal 10xHis-SUMO tag and C-terminal Myc tag, providing convenience in detecting and purifying the recombinant FBP1 protein during the following stages.

Human Fructose-1,6-Bisphosphatase 1 (FBP1) is a key enzyme in gluconeogenesis, playing a pivotal role in maintaining glucose homeostasis. FBP1 catalyzes the hydrolysis of fructose-1,6-bisphosphate to fructose-6-phosphate and inorganic phosphate, a critical step in the generation of glucose from non-carbohydrate precursors. Beyond its role in gluconeogenesis, FBP1 is implicated in various physiological processes, including hepatic glucose production, energy metabolism, and insulin sensitivity. Dysregulation of FBP1 is associated with metabolic disorders, such as type 2 diabetes. Research areas involving FBP1 encompass metabolic pathways, glucose metabolism, and potential therapeutic interventions for metabolic diseases. Understanding FBP1 function contributes to unraveling the complexities of metabolic regulation.

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Target Background

Catalyzes the hydrolysis of fructose 1,6-bisphosphate to fructose 6-phosphate in the presence of divalent cations, acting as a rate-limiting enzyme in gluconeogenesis. Plays a role in regulating glucose sensing and insulin secretion of pancreatic beta-cells. Appears to modulate glycerol gluconeogenesis in liver. Important regulator of appetite and adiposity; increased expression of the protein in liver after nutrient excess increases circulating satiety hormones and reduces appetite-stimulating neuropeptides and thus seems to provide a feedback mechanism to limit weight gain.
Gene References into Functions
  1. FBP1 modulates the sensitivity of pancreatic cancer cells to BET inhibitors by decreasing the expression of c-Myc. These findings highlight FBP1 could be used as a therapeutic niche for patient-tailored therapies PMID: 30201002
  2. Low FBP1 expression is associated with metastasis in cholangiocarcinoma. PMID: 30193944
  3. CBX3 serves as a positive regulator of aerobic glycolysis via suppressing of the FBP1 in pancreatic cancer cells. PMID: 29678579
  4. Homozygous Alu element insertion in the FBP1 gene is associated with Fructose-1,6-bisphosphatase deficiency. PMID: 28599390
  5. decreased levels of FBP1 may be used as a predictor for poor prognosis of cervical cancer patients PMID: 28990097
  6. Study identified for the first time that HNF4alpha and C/EBPalpha are important transcriptional regulators for FBP1 expression in human hepatoma HepG2 cells. PMID: 29566023
  7. FBP1 mutation was associated with fructose-1,6-bisphosphatase deficiency PMID: 29016355
  8. Results identified FBP1 as a promising acute liver failure (ALF) biomarker among energy metabolism-related proteins. It may serve as a short-term prognosis indicator for ALF, with higher serum level of FBP1 correlated with higher ALF-related mortality in human studies. PMID: 28336726
  9. Here, the first crystal structure of human liver FBPase in the R-state conformation is presented, determined at a resolution of 2.2 A in a tetragonal setting that exhibits an unusual arrangement of noncrystallographic symmetry (NCS) elements. PMID: 27841754
  10. Studied association of fructose 1,6-bisphosphatase 1 (FBP1) expression with fluorine 18 ((18)F) fluorodeoxyglucose (FDG) accumulation in patients with hepatocellular carcinoma. Found that in patients with HCC, both 18F FDG accumulation and tumor grade (from differentiated to undifferentiated) were inversely correlated with the expression of FBP1. PMID: 28387640
  11. These findings indicate that FBP1 appears to be a tumor suppressor in hepatocellular carcinoma (HCC). Strategies to restore the levels and activities of FBP1 might be developed to treat patients with HCC. PMID: 27742690
  12. FBP1 underexpression is associated with Tumor Progression in Hepatocellular Carcinoma. PMID: 27197151
  13. fructose-1,6-bisphosphatase 1 facilitated co-action between Bcl-2 and Beclin 1, which may be important in the mechanism of fructose-1,6-bisphosphatase 1-mediated mitophagy inhibition. In summary, loss of mitophagy by fructose-1,6-bisphosphatase 1-mediated repression promotes apoptosis in breast cancer PMID: 28653874
  14. Downregulation of FBP1 promotes gastric cancer metastasis by facilitating EMT and acts as a potential prognostic factor and therapeutic target in gastric cancer. PMID: 27978536
  15. we show that EV71 viral proteinase 2A is capable of cleaving far upstream element-binding protein 1 (FBP1), a positive internal ribosome entry sitet rans-acting factor that directly binds to the EV71 5' UTR linker region to promote viral IRES-driven translation PMID: 27780225
  16. Cox multivariate regression analysis demonstrated that DUOX1, GLS2, FBP1 and age were independent risk factors for the prognosis of HCC patients after surgery PMID: 27079415
  17. Elevated FBP1 is a critical modulator in breast cancer progression by altering glucose metabolism and the activity of Wnt/beta-catenin pathway. PMID: 27780144
  18. identified Zinc finger E-box-binding homeobox 1 (ZEB1) bond to FBP1 promoter to enhance DNA methylation in lung cancer cells. Our findings indicate that the down-regulation of FBP1 is a critical oncogenic event in lung cancer progression PMID: 26546081
  19. Twelve different mutations were identified in 22 alleles: one missense mutation c.472C > T, one point deletion c.48del, one point duplication c.865dupA, one deletion-insertion, and two splice mutations (c.427-1del and c.825 + 1G > A). PMID: 25601412
  20. FBP1 expression, which is closely correlated with c-Myc expression, is an independent prognostic factor and promotes nasopharyngeal carcinoma progression. PMID: 26469968
  21. NPM1 promotes aerobic glycolysis and tumor progression in patients with pancreatic cancer by inhibiting FBP1 PMID: 26068981
  22. There was a negative correlation with the level of FBP1 and recurrence of the lung cancer PMID: 25844935
  23. the gluconeogenic enzyme fructose-1,6-bisphosphatase 1 (FBP1) is uniformly depleted in over six hundred clear cell renal cell carcinoma tumours examined. PMID: 25043030
  24. Ca(2+) affects conformation of the catalytic loop 52-72 of muscle FBPase and inhibits its activity by competing with activatory divalent cations, e.g. Mg(2+) and Zn(2+). PMID: 24146906
  25. Case Reports: present reliable diagnostic system to verify an FBPase deficiency and find the genetic aberration. PMID: 20151204
  26. A novel missense mutation (c.841G>A) in the FBP1 gene seems to be prevalent in Pakistani-Indian patients with fructose-1,6-bisphosphatase deficiency. PMID: 23881342
  27. A homozygous c.658delT mutation was detected at exon 5 of the FBP1 gene in the two siblings with FBPase deficiency. PMID: 24007283
  28. LSD1 regulates transcription activation of two gluconeogenic genes, FBP1 and G6Pase. PMID: 23755305
  29. study indicates that the loss of FBP1 is a critical oncogenic event in epithelial-mesenchymal transition and basal-like breast cancer PMID: 23453623
  30. The Identification of FBPase interacting partners with mass spectrometry reveals a set of nuclear proteins involved in cell cycle regulation, mRNA processing and in stabilization of genomic DNA structure. PMID: 22057438
  31. This is the first study to identify liver FBPase as a previously unknown regulator of appetite and adiposity and describes a novel process by which the liver participates in body weight regulation. PMID: 22517657
  32. AMP binding pattern of the muscle isozyme of fructose-1,6-bisphosphatase is quite similar to that of the liver isozyme and the T conformations of the two isozymes are nearly the same PMID: 22120740
  33. epigenetic inactivation of FBP1 is also common in human liver and colon cancer. FBP1 appears to be a functional tumor suppressor involved in the liver and colon carcinogenesis PMID: 22039417
  34. Novel compound heterozygous mutations in the fructose-1,6-bisphosphatase gene cause hypoglycemia and lactic acidosis. PMID: 20096900
  35. first report on mutations in patients with FBP deficiency of Arab ethnicity,two novel mutations in the FBP1 gene encode for a duplication of two amino acids and a truncation in the FBP1 protein in these families. PMID: 19259699
  36. Data show that NF-kappaB functions downstream of Ras to promote epigenetic downregulation of FBP1. PMID: 19881551
  37. Data show that EDTA and mercaptoethanol stabilized FBP-1 activity in stored urine. PMID: 19505453
  38. liver fructose-1,6-bisphosphatase coupled with phosphofructokinase (PFK) plays a crucial role in the metabolism of pancreatic islet cells PMID: 15965961
  39. Upregulation of FBPase in pancreatic islet beta-cells in states of lipid oversupply and type 2 diabetes, contributes to insulin secretory dysfunction. PMID: 18375435
  40. Human FBP1 was found to regulate mouse endogenous glucose production and whole body glucose homeostasis in a liver-specific transgenic model. PMID: 18780768
  41. this is the first experimental evidence confirming that the KKKGK motif can act as a functional NLS fructose 1,6-bisphosphatase . PMID: 19626708

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Involvement in disease
Fructose-1,6-bisphosphatase deficiency (FBP1D)
Protein Families
FBPase class 1 family
Tissue Specificity
Expressed in pancreatic islets.
Database Links

HGNC: 3606

OMIM: 229700

KEGG: hsa:2203

STRING: 9606.ENSP00000364475

UniGene: Hs.494496

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