Recombinant Human Flotillin-1 (FLOT1) Protein (His-GST)

Beta LifeScience SKU/CAT #: BLC-06209P
Greater than 85% as determined by SDS-PAGE.
Greater than 85% as determined by SDS-PAGE.

Recombinant Human Flotillin-1 (FLOT1) Protein (His-GST)

Beta LifeScience SKU/CAT #: BLC-06209P
Our products are highly customizable to meet your specific needs. You can choose options such as endotoxin removal, liquid or lyophilized forms, preferred tags, and the desired functional sequence range for proteins. Submitting a written inquiry expedites the quoting process.

Product Overview

Description Recombinant Human Flotillin-1 (FLOT1) Protein (His-GST) is produced by our E.coli expression system. This is a full length protein.
Purity Greater than 85% as determined by SDS-PAGE.
Activity Not tested.
Uniprotkb O75955
Target Symbol FLOT1
Species Homo sapiens (Human)
Expression System E.coli
Tag N-6His-GST
Target Protein Sequence MFFTCGPNEAMVVSGFCRSPPVMVAGGRVFVLPCIQQIQRISLNTLTLNVKSEKVYTRHGVPISVTGIAQVKIQGQNKEMLAAACQMFLGKTEAEIAHIALETLEGHQRAIMAHMTVEEIYKDRQKFSEQVFKVASSDLVNMGISVVSYTLKDIHDDQDYLHSLGKARTAQVQKDARIGEAEAKRDAGIREAKAKQEKVSAQYLSEIEMAKAQRDYELKKAAYDIEVNTRRAQADLAYQLQVAKTKQQIEEQRVQVQVVERAQQVAVQEQEIARREKELEARVRKPAEAERYKLERLAEAEKSQLIMQAEAEAASVRMRGEAEAFAIGARARAEAEQMAKKAEAFQLYQEAAQLDMLLEKLPQVAEEISGPLTSANKITLVSSGSGTMGAAKVTGEVLDILTRLPESVERLTGVSISQVNHKPLRTA
Expression Range 1-427aa
Protein Length Full Length
Mol. Weight 78.8 kDa
Research Area Cell Biology
Form Liquid or Lyophilized powder
Buffer Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage 1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function May act as a scaffolding protein within caveolar membranes, functionally participating in formation of caveolae or caveolae-like vesicles.
Subcellular Location Cell membrane; Peripheral membrane protein. Endosome. Membrane, caveola; Peripheral membrane protein. Melanosome. Membrane raft.
Protein Families Band 7/mec-2 family, Flotillin subfamily
Database References

Gene Functions References

  1. flotillin-1 is a tumorigenic protein that plays an important role in promoting the proliferation and tumorigenicity of LUAD. PMID: 28825855
  2. flotillin has a role in desmosomal adhesion and Pemphigus vulgaris-like localisation of desmoglein-3 in human keratinocytes PMID: 27346727
  3. Autoantibodies against flotillin-1/2 heterocomplex are present in 1-2% of patients with bona fide multiple sclerosis. PMID: 28645295
  4. Furthermore, we identify flotillin-1 (FLOT1) and histone H1 as downstream factors for cytoplasmic and nuclear pathway of S100A11, which are required for LASP1-S100A11 axis-mediated epithelial-mesenchymal transition and colorectal cancer progression. PMID: 27181092
  5. FLOT1 is associated with aggressive characteristics of HCC PMID: 23840303
  6. This study presents the endocytic pathways of internalization for muscarinic type 3 receptor and flotillin-1/2 in salivary gland epithelial cells. knockdown of flot-1 or -2 by flotillin-specific siRNA prevented internalization and reduced the endocytic efficiency of muscarinic type 3 receptor. PMID: 27221048
  7. Data show that overexpression of 4.1N protein decreased expression of flotillin-1, decreased activation of beta-catenin/Wnt pathway in non-small-cell lung cancer (NSCLC) cells. PMID: 27448302
  8. Upregulation of flotillin-1 promotes invasion and metastasis by activating TGF-beta signaling in nasopharyngeal carcinoma. PMID: 26646322
  9. Flotillin-1 protein is upregulated in human endometrial cancer and localization shifts from epithelial to stromal with increasing tumor grade PMID: 26682635
  10. Expression of flotillin-1 was associated with H-Ras in breast cancer, especially in TNBC (p < 0.001). PMID: 26413934
  11. findings revealed the expression of flotillin 1 in gastric cancer samples is significantly higher than that of noncancer/normal tissues; findings suggest that flotillin 1 may be a novel biomarker for gastric cancer PMID: 25948494
  12. miR-506 expression was down-regulated in clear cell renal cell carcinoma (ccRCC) and correlated with advanced histologic grade, clinical stage, tumor stage, positive lymph node metastasis, and distant metastasis. FLOT1, a potential target gene of miR-506, was inversely correlated with miR-506 expression in ccRCC tissues. PMID: 25793370
  13. polycystins are necessary for assembly of a novel flotillin-containing ciliary signaling complex and provide a molecular rationale for the common renal pathologies caused by OFD1 and polycystin mutations. PMID: 25180832
  14. Findings suggest that FLOT1 plays an important role in the proliferation and recurrence of transitional cell carcinoma. PMID: 24890092
  15. Downregulation of microRNA-182-5p contributes to renal cell carcinoma proliferation via activating the AKT/FOXO3a signaling pathway with FLOT1 being a target. PMID: 24886554
  16. overexpression of FLOT1 can be found in tongue squamous cell cancer patients with higher pathological stage, T classification, N classification or recurrence PMID: 24695539
  17. Flotillin-1 mRNA expression is up-regulated in non-small cell lung cancer patients. PMID: 24533441
  18. a critical role of flotillin-1 in ROS production mediated by c-Src PMID: 24983503
  19. Flotillin-1 regulates oncogenic signaling in neuroblastoma cells by regulating ALK membrane association. PMID: 24830726
  20. The FLOT1 is abundantly expressed in term villous placental CTs and endothelial cells, and in comparison, expression of these proteins in the ST is reduced. PMID: 23064789
  21. Depletion of either flotillin-1 or flotillin-2 resulted in downregulation of ErbB3 and a selective reduction of ErbB2-ErbB3 receptor complexes. PMID: 24747692
  22. study demonstrated that miR-124 might be a tumor suppressor in breast cancer via the regulation of FLOT1 PMID: 24330780
  23. We have identified flotillin 1 and 2 as new partners of the cadherin complexes PMID: 24046456
  24. These data here provide direct evidences for the molecular interaction and endocytosis of PrP(C) with Flot-1 in the presence of copper ions. PMID: 23625312
  25. Patients with higher FLOT1 expression had shorter overall survival time, whereas those with lower FLOT1 expression had longer survival time PMID: 24277378
  26. Human group V secretory phospholipase A2 is associated with lipid rafts and internalized in a flotillindependent pathway. PMID: 24042857
  27. EGFR overexpression and increase in signaling correlates with flotillin-1 expresion. PMID: 24304721
  28. Report role for flotillin 1/2 in interactions of lung epithelial cells with silica nanoparticles. PMID: 22669515
  29. we describe how flotillin-1 and -2 contribute to the stabilization of ErbB2 at the cell surface in breast cancer tissue PMID: 22869152
  30. Flotillin-1 plays an important role in Oral squamous cell carcinoma (OSCC) development. PMID: 23581411
  31. Flotillin-1 interacted with PrPc and promote the endocytosis of PrPc. PMID: 23627023
  32. results support predominant formation of flotillin-1 and -2 hetero-oligomers in resting and chemokine-stimulated human T-cells which may importantly contribute to structuring of the uropod. PMID: 23012365
  33. a novel signaling network containing FRS2, CAP and flotillin-1 PMID: 22235335
  34. receptor-tyrosine kinases may also rely on flotillin-1 upon activation, thus suggesting a general role for flotillin-1 as a novel factor in receptor-tyrosine kinase/MAP kinase signaling. PMID: 22232557
  35. Chlamydia pneumoniae intracellular growth was attenuated in the flotillin-1-silenced cells. PMID: 22215737
  36. FLOT1 plays an important role in promoting proliferation and tumorigenesis of human breast cancer and may represent a novel prognostic biomarker and therapeutic target for the disease. PMID: 21447726
  37. Flot1-enriched membrane microdomains are required for protein kinase C-regulated internalization of the DA transporter (DAT) and the glial glutamate transporter EAAT2. PMID: 21399631
  38. flotillins have a role in NPC1L1-mediated cholesterol uptake and NPC1L1-flotillins-postive cholesterol-enriched membrane microdomains are involved in the mechanism for efficient cholesterol absorption PMID: 21187433
  39. the cellular pathways used by transportan and transportan 10 (TP10) for protein transduction PMID: 19348413
  40. Data show that the BCG phagosome is relatively depleted in LAMP-2, NPC1, flotillin-1, vATPase, and syntaxin 3. PMID: 19815536
  41. In hematopoietic cells, flotillins provide intrinsic cues that govern segregation of certain microdomain-associated molecules during immune cell polarization. PMID: 20027317
  42. Flotillin-1, a marker of rafts, accumulates in lysosomes of neurons in Alzheimer's disease PMID: 14708344
  43. ATP-binding cassette, sub-family A (ABC1), member 1 forms a complex with syntaxin 13 and flotillin-1, residing at the plasma membrane and in phagosomes PMID: 15469992
  44. It is significant that there is an increased gene expression of flotillin-1 in the Parkinson substantia nigra/ventral tegmental area compared to controls. PMID: 15545008
  45. Recombinant flotillin-1 was purified and characterized in in large quantity and high purity. PMID: 15939299
  46. Myocilins with mutations such as G364V, K423E, and Y437H on the domain failed to interact with flotillin-1. PMID: 16198165
  47. Flotillin-1 small interfering RNA (siRNA) inhibited both clathrin-independent uptake of cholera toxin and endocytosis of a GPI-linked protein. We propose that flotillin-1 is one determinant of a clathrin-independent endocytic pathway in mammalian cells. PMID: 16341206
  48. flotillin-1 may recruit amyloid beta (A4) precursor protein to lipid rafts and therefore participate in the localization and processing of APP PMID: 16480949
  49. The results showed that flotillin-1 can interact with arginase1, and hence arginase activity was up-regulated by 26.8%. PMID: 17113085
  50. These lines of evidence suggested that a Gq-coupled receptor activates specifically p38 MAPK through lipid rafts and Src kinase activation, in which flotillins positively modulate the Gq signaling. PMID: 17307333

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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