Recombinant Human Annexin VI / ANX6 Protein (His Tag)

Beta LifeScience SKU/CAT #: BLPSN-0220

Recombinant Human Annexin VI / ANX6 Protein (His Tag)

Beta LifeScience SKU/CAT #: BLPSN-0220
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Product Overview

Tag His
Host Species Human
Accession P08133
Synonym ANX6, CBP68
Background Annexin A6, also known as ANXA6 or ANXA-…¥, belongs to a family of Ca2+-dependent membrane and phospholipid binding proteins. Members of this family have been implicated in membrane-related events along exocytotic and endocytotic pathways. Annexin 6 is phosphorylated in vivo associated with cell growth. Annexin 6 was not phosphorylated in quiescent cells, but was phosphorylated on serine and to a lesser extent threonine, several hours following cell stimulation. Experiment has revealed the presence of annexin A6 on the cell surface of variety cells as putative receptors and / or binding proteins for chondroitin sulfate proteoglycans, helping cells to bind with this extracellular matrix glycosaminoglycan chondroitin sulfate which is related to the cell-substratum adhesion. A post-tranlational modification other than direct protein phosphorylation may influence the activity of annexin6 and provide evidence linking cell growth with regulation of annexin 6 function.
Description A DNA sequence encoding the human ANXA6 / Annexin A6 / Annexin6 (P08133) (Met 1-Asp 673) was fused with a His tag at the C-terminus.
Source E.coli
Predicted N Terminal Met 1
AA Sequence Met 1-Asp 673
Molecular Weight The recombinant human ANXA6 / Annexin A6 / Annexin6 consisting of 683 a.a. and has a calculated molecular mass of 77.2 kDa. It migrates as an approximately 60 kDa band in SDS-PAGE under reducing conditions.
Purity >97% as determined by SDS-PAGE
Endotoxin Please contact us for more information.
Bioactivity Measured by its ability to bind human CD21-His in functional Elisa.
Formulation Lyophilized from sterile PBS, pH 7.5.
Stability The recombinant proteins are stable for up to 1 year from date of receipt at -70°C.
Usage For Research Use Only
Storage Store the protein under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Target Details

Target Function May associate with CD21. May regulate the release of Ca(2+) from intracellular stores.
Subcellular Location Cytoplasm. Melanosome. Note=Identified by mass spectrometry in melanosome fractions from stage I to stage IV.
Protein Families Annexin family
Database References

Gene Functions References

  1. This review will discuss how the multiple scaffold functions may enable AnxA6 to modulate migratory cell behavior in health and disease PMID: 28060548
  2. Immunoprecipitation of the products obtained from the transcription/translation system using various anti-annexin A6 antibodies confirmed the presence of several isoforms and suggested that this protein might be present in different configurations. PMID: 27743858
  3. AnxA6 protein in adipocytes was upregulated by oxidative stress which might trigger AnxA6 induction in adipose tissues and contribute to impaired fat storage and adiponectin release. PMID: 27702590
  4. High ANXA6 expression is associated with neoplasms. PMID: 28881357
  5. stable or transient AnxA6 overexpression in HuH7 cells led to elevated lipid droplet numbers/size and neutral lipid staining under control conditions PMID: 28712927
  6. Annexin VI is enriched in calcifying valve interstitial cell derived-matrix vesicles from patients with end stage renal disease-induced hypercalcemia and aortic valve calcification. PMID: 28369848
  7. These findings suggest that cancer-associated fibroblasts -tumor cell crosstalk supported by ANXA6+ EVs is predictive of pancreatic ductal adenocarcinoma aggressiveness, highlighting a therapeutic target and potential biomarker for pancreatic ductal adenocarcinoma. PMID: 27701147
  8. The current study shows that AnxA6 is specifically reduced in human hepatocellular carcinoma suggesting a role of this protein in hepatocarcinogenesis. PMID: 27334756
  9. Data suggest that reduced ability of AnxA6-expressing cells to migrate is associated with decreased cell surface expression of integrins alphaVbeta3 and alpha5beta1. PMID: 26578516
  10. ANXA6 was detected as a novel systemic lupus erythematosus susceptibility gene, with several single-nucleotide polymorphisms (SNPs) contributing independently to the association with disease PMID: 26202167
  11. ANXA6 is a EZH2 target gene involving gastric cellular proliferation. PMID: 25947258
  12. Evidence for annexin A6-dependent plasma membrane remodelling of lipid domains PMID: 25409976
  13. The rapid degradation of activated EGFR in AnxA6-depleted invasive tumor cells underlies their sensitivity to EGFR-targeted inhibitors. PMID: 24354805
  14. These results show that influenza A virus replication depends on maintenance of the cellular cholesterol balance and identify AnxA6 as a critical factor in linking the virus to cellular cholesterol homeostasis. PMID: 24194536
  15. TNIP1/ANXA6 and CSMD1 variants interacting with cigarette smoking and alcohol intake affect risk of psoriasis. PMID: 23541940
  16. Influence of the 524-VAAEIL-529 sequence of annexins A6 in their interfacial behavior and interaction with lipid monolayers. PMID: 23683957
  17. Ca(2+) is the main factor which regulates the interaction of AnxA6 with monolayers composed of neutral lipids, determine AnxA6 localization in cholesterol and sphingomyelin enriched microdomains, thus contributing to the etiology of the NPC disease. PMID: 23360953
  18. AnxA6 is a new PKCalpha scaffold to promote PKCalpha-mediated EGFR inactivation. PMID: 22797061
  19. anxA6 inhibits Drp1 activity, and Ca(2+)-binding to anxA6 relieves this inhibition to permit Drp1-mediated mitochondrial fission PMID: 23341998
  20. AnxA6 via its stimulatory actions on PKCalpha and its role in mediating Ca(2+) flux across membranes regulates terminal differentiation and mineralization events of chondrocytes. PMID: 22399299
  21. the regulation of cell surface receptors by annexin A6 may be facilitated by its unique structure that allows recruitment of interaction partners and simultaneously bridging specialized membrane domains with cortical actin surrounding activated receptors PMID: 21990038
  22. AnxA6 is a novel receptor that mediates the endocytosis of bovine beta-glucuronidase. PMID: 21672540
  23. In addition to regulating cholesterol and caveolin distribution, AnxA6 acts as a scaffold/targeting protein for several signaling proteins. PMID: 20888375
  24. reduced AnxA6 expression contributes to breast cancer progression by promoting the loss of functional cell-cell and/or cell-ECM contacts and anchorage-independent cell proliferation PMID: 21185831
  25. In the presence of calcium, AnxA6 re-located to the fractions enriched in detergent-resistant microdomains only in the Niemann-Pick type C disease cells, suggestive of AnxA6 participation in organization of these microdomains. PMID: 21216236
  26. High ANXA6 expression in the cytoplasm is associated with uterine cervix carcinogenesis. PMID: 21119665
  27. Data suggests that the hydroxyl group of cholesterol and Trp 343 are involved in AnxA6-membrane interactions. PMID: 20363475
  28. AnxA6 may participate in formation of cholesterol-rich platforms on LE and therefore may contribute to the pathology of the NPC disease. PMID: 19900398
  29. Data show that annexin 6 is a candidate receptor for chondroitin sulfate chains. PMID: 12140262
  30. Characterization of phosphorylation-mimicking mutant annexin VI (T356D) reveals a potential regulatory mechanism leading to a higher degree of flexibility and possibly a higher calcium binding affinity of annexin VI upon phosphorylation. PMID: 12534274
  31. The nucleotide-binding site of ANXA6 is formed by the amino acid residues located in both halves of the protein, in two distinct domains. PMID: 12885247
  32. cell surface annexin VI may function as an acidic pH binding site or receptor and may also function as a co-receptor with LRP-1 at neutral pH PMID: 15226301
  33. endogenous annexin 6 could regulate the Maxi-chloride channel in placenta PMID: 15355961
  34. TPD52 bound to annexin VI in a Ca(2+)-dependent manner suggesting that these molecules may act in concert to regulate secretory processes in plasma cells PMID: 15576473
  35. Macrophage reprogramming during oxidative stress occurs through the cytosolic mobilization of annexin VI from lipid rafts. PMID: 16153422
  36. It is a first report supporting the hypothesis of a direct implication of AnxA6 in vitamin A-dependent tissue mineralization. PMID: 16674946
  37. Annexin A6 has roles in alterations in cholesterol transport and caveolin export from the Golgi complex PMID: 17822395
  38. AnxA6 interferes with caveolin transport through the inhibition of cPLA(2). PMID: 18245088
  39. annexin A6 contributes to the calcium-dependent cell surface exposition of the membrane associated-S100A8/A9 complex PMID: 18786929
  40. Annexin A6 is highly abundant in monocytes of obese and type 2 diabetic individuals. PMID: 19322030
  41. results implicate annexin A6 in the actin-dependent regulation of Ca(2+) entry, with consequences for the rates of cell proliferation PMID: 19386597


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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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