Recombinant Human Cytomegalovirus Viral Interleukin-10 Homolog (UL111A)

Name: Recombinant Human Cytomegalovirus Viral Interleukin-10 Homolog (UL111A)
Brand: Beta LifeScience
SKU: BLC-02263P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of this product could indicate that this peptide derived from E.coli-expressed Human cytomegalovirus (strain Merlin) (HHV-5) (Human herpesvirus 5) UL111A.

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Product Overview

Description	Recombinant Human Cytomegalovirus Viral Interleukin-10 Homolog (UL111A) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	F5HC71
Target Symbol	UL111A
Synonyms	UL111A; Viral interleukin-10 homolog; cmvIL-10; vIL-10
Species	Human cytomegalovirus (strain Merlin) (HHV-5) (Human herpesvirus 5)
Expression System	E.coli
Tag	Tag-Free
Target Protein Sequence	ATTTTIKNTKPQCRPEDYATRLQDLRVTFHRVKPTLQREDDYSVWLDGTVVKGCWGCSVMDWLLRRYLEIVFPAGDHVYPGLKTELHSMRSTLESIYKDMRQCPLLGCGDKSVISRLSQEAERKSDNGTRKGLSELDTLFSRLEEYLHSRK
Expression Range	26-176aa
Protein Length	Full Length of Mature Protein
Mol. Weight	17.5kDa
Research Area	Others
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	Functional viral IL-10 homolog. Can bind to the human IL-10 receptor and compete with human IL-10 for binding sites. Requires both subunits of the human IL-10 receptor complex to induce signal transduction events and biological activities. IL-10 signaling pathway has several immunosuppressive activities that are exploited by the virus. Inhibits TLR-induced type I interferon production in host plasmacytoid dendritic cells.
Subcellular Location	Secreted.
Protein Families	IL-10 family
Database References	KEGG: vg:3077506

Gene Functions References

Authors show that the previously observed downregulation of hsa-miR-92a and upregulation of CCL8 during human cytomegalovirus latent infection of myeloid cells are intimately linked via the latency-associated expression of cytomegalovirus UL111A. PMID: 25253336
These results suggest a significant and wide-ranging role for cmvIL-10 in the progression of breast cancer. PMID: 24520416
cIL-10 expressing CD4 T-cells are directed against latently expressed US28 and UL111A. PMID: 24130479
This study identifies a novel role for viral IL-10 in driving M2c polarization, which may limit virus clearance by restricting proinflammatory and CD4(+) T cell responses at sites of infection. PMID: 23864618
CmvIL-10 bound avidly to the same receptors on blood mononuclear cells and was as bio-potent as native human IL-10. PMID: 21402594

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.