Recombinant Human TXNDC17 Protein

Beta LifeScience SKU/CAT #: BLPSN-4704

Recombinant Human TXNDC17 Protein

Beta LifeScience SKU/CAT #: BLPSN-4704
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Product Overview

Tag N/A
Host Species Human
Accession Q9BRA2
Synonym TRP14, TXNL5
Background Thioredoxin-related protein of 14 kDa (TRP14, also called TXNDC17 for thioredoxin domain containing 17, or TXNL5 for thioredoxin-like 5) is an evolutionarily well-conserved member of the thioredoxin (Trx)-fold protein family that lacks activity with classical Trx1 substrates. TXNDC17 is a novel 14-kDa disulfide reductase of the TXN (thioredoxin) family. TXNDC17 is involved in the TNF (tumor necrosis factor) signaling pathway. Moreover, TXNDC17 plays an important role in Taxol resistance via enhancing autophagy in human colorectal cancer cells. And TXNDC17 may become a potential target of colorectal cancer therapeutics.
Description A DNA sequence encoding the mature form of human TXNDC17 (Q9BRA2) (Met 1-Asp 123) was expressed and purified, with an initial Met.
Source E.coli
Predicted N Terminal Met 1
AA Sequence Met 1-Asp 123
Molecular Weight The recombinant human TXNDC17 consists of 123 a.a. and has a calculated molecular mass of 13.9 kDa as estimated in SDS-PAGE under reducing conditions.
Purity >97% as determined by SDS-PAGE
Endotoxin Please contact us for more information.
Bioactivity Please contact us for detailed information
Formulation Lyophilized from sterile PBS, pH 7.4.
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 Disulfide reductase. May participate in various redox reactions through the reversible oxidation of its active center dithiol to a disulfide and catalyze dithiol-disulfide exchange reactions. Modulates TNF-alpha signaling and NF-kappa-B activation. Has peroxidase activity and may contribute to the elimination of cellular hydrogen peroxide.
Subcellular Location Cytoplasm.
Protein Families Thioredoxin family
Database References
Tissue Specificity Ubiquitously expressed in cell lines.

Gene Functions References

  1. found STAT3 could bind promoter region of TXNDC17 (-623 bp to -58 bp relative to the transcription start site (TSS)) for regulating its expression PMID: 26976343
  2. TXNDC17, through participation of BECN1, induces autophagy and consequently results in paclitaxel resistance in ovarian cancer PMID: 25607466
  3. The oxidoreductase activities of TRP14 thereby complement those of Trx1 and must therefore be considered for the full understanding of enzymatic control of cellular thiols and nitrosothiols. PMID: 24778250
  4. TRP14 is a thioredoxin-related protein with roles in tumor necrosis factor-alpha signaling pathways PMID: 14607843
  5. TRP14 is a thioredoxin-related protein of 14 kDa PMID: 14607844
  6. Data report the crystal structure of human thioredoxin-related protein 14 determined at 1.8-angstrom resolution. PMID: 15355959
  7. LC8 binds IkappaBalpha in a redox-dependent manner and thereby prevents its phosphorylation by IKK. TRP14 contributes to this inhibitory activity by maintaining LC8 in a reduced state. PMID: 18579519


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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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