Recombinant Human STX6 Protein

Beta LifeScience SKU/CAT #: BL-1862NP
BL-1862NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
BL-1862NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

Recombinant Human STX6 Protein

Beta LifeScience SKU/CAT #: BL-1862NP
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Product Overview

Description Recombinant Human Syntaxin-6 is produced by our E.coli expression system and the target gene encoding Ser2-Gln234 is expressed.
Accession O43752
Synonym Syntaxin-6; STX6
Gene Background Syntaxin-6 (STX6) is a single-pass type IV membrane protein, which belongs to the Syntaxin family. STX6 is mainly localized in the plasma membrane. STX6 contains one t-SNARE coiled-coil homology domain and involved in intracellular vesicle trafficking. When STX6 function is inhibited, internalization through caveolae is dramaticaliy reduced, whereas other endocytic mechanisms are unaffected. It is reported that STX6 is necessary for proper expression of focal adhesion kinase and integrin alpha5 adhesion receptor.
Molecular Mass 26.8 KDa
Apmol Mass 32 KDa, reducing conditions
Formulation Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.4.
Endotoxin Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Biological Activity Not tested
Reconstitution Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Storage Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below.
Usage For Research Use Only

Target Details

Target Function Involved in intracellular vesicle trafficking.
Subcellular Location Golgi apparatus membrane; Single-pass type IV membrane protein.
Protein Families Syntaxin family
Database References

Gene Functions References

  1. RABGEF1 mediates recycling endosome fusion with GAS-containing autophagosome-like vacuoles through the STX6-VAMP3-VTI1B complex; SNAREs are involved in autophagosome formation in response to bacterial infection PMID: 27791468
  2. Potent inhibition of human cytomegalovirus has been reported by modulation of host cellular STX6. PMID: 27795424
  3. the expression of STX6 was up-regulated in esophageal squamous cell carcinoma samples, and its expression was significantly correlated with tumor size, histological differentiation, lymph node metastasis and depth PMID: 26906622
  4. The compartment-specific interaction of Syntaxin 6 with v-SNARES VAMP3 and VAMP4 are controlled through an ability of Syntaxin 6 to sense cholesterol levels in the trans-Golgi network and recycling endosomes. PMID: 24746815
  5. A dityrosine motif of Ang2 interacts with a highly conserved groove in Syntaxin 6. PMID: 23932592
  6. Syntaxin 6 and VAMP4 colocalize to the chlamydial inclusion. PMID: 23798538
  7. Data indicate that depletion of VAMP4, syntaxin 6, syntaxin 16, and Vti1a disrupted the Golgi ribbon structure. PMID: 23677696
  8. Data indicate that E3 ubiquitin ligase MARCH2 co-immunoprecipitated and co-localized with CAL and syntaxin 6 (STX6), and show the ubiquitination of CFTR by MARCH2. PMID: 23818989
  9. No pathogenic mutations are found in syntaxin 6 that are associated with risk of Parkinson's disease. PMID: 23415606
  10. colocalization of ATP11B with fluorescent cisplatin and with vesicular trafficking proteins, such as STX6 and VAMP4, strongly suggests that ATP11B contributes to secretory vesicular transport of cisplatin from Golgi to plasma membrane PMID: 23585472
  11. Data suggest a new integrin trafficking pathway in which endocytosed integrins are transported from VAMP3-containing recycling endosomes to STX6-containing trans-Golgi network before being recycled to the plasma membrane. PMID: 22573826
  12. A review of the various roles of the Golgi- and endosome-localized t-SNARE, syntaxin-6, in membrane trafficking during physiological as well as pathological conditions. [Review] PMID: 22489884
  13. syntaxin 6-regulated membrane trafficking events control outside-in signaling via haptotactic and chemotactic mechanisms. PMID: 21880737
  14. COG directly and positively regulates endosome-to-TGN retrograde transport by specific and direct interaction with the t-SNARE Stx6 via its Cog6 subunit. PMID: 21807881
  15. The trans-Golgi SNARE protein syntaxin 6 is recruited to the chlamydial inclusion in a manner that requires chlamydial protein synthesis and is conserved among all chlamydial species examined. PMID: 21109560
  16. Importance of syntaxin 6 in the maintenance of cellular VEGFR2 levels.The inhibitory form of syntaxin 6 has good potential as an antiangiogenic agent. PMID: 21063020
  17. Syntaxin 6 and CAL mediate the degradation of the cystic fibrosis transmembrane conductance regulator PMID: 20130090
  18. STX6 can be induced by DNA damage and Mdm2 inhibitor Nutlin-3 in a p53-dependent manner. PMID: 18779328


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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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