Recombinant Reston Ebolavirus Matrix Protein Vp40 (VP40) Protein (His-SUMO)

Name: Recombinant Reston Ebolavirus Matrix Protein Vp40 (VP40) Protein (His-SUMO)
Brand: Beta LifeScience
SKU: BLC-08799P
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 Reston ebolavirus (strain Reston-89) (REBOV) (Reston Ebola virus) VP40.

Collections: Ebola, Featured viral antigens molecules, Recombinant proteins, Viral antigen

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Product Overview

Description	Recombinant Reston Ebolavirus Matrix Protein Vp40 (VP40) Protein (His-SUMO) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	Q8JPX9
Target Symbol	VP40
Synonyms	VP40Matrix protein VP40; Membrane-associated protein VP40
Species	Reston ebolavirus (strain Reston-89) (REBOV) (Reston Ebola virus)
Expression System	E.coli
Tag	N-6His-SUMO
Target Protein Sequence	MRRGVLPTAPPAYNDIAYPMSILPTRPSVIVNETKSDVLAVPGADVPSNSMRPVADDNIDHSSHTPSGVASAFILEATVNVISGTKVLMKQIPIWLPLGVADQKIYSFDSTTAAIMLASYTVTHFGKISNPLVRVNRLGPGIPDHPLRLLRLGNQAFLQEFVLPPVQLPQYFTFDLTALKLITQPLPAATWTDETPAGAVNALRPGLSLHPKLRPILLPGKTGKKGHASDLTSPDKIQTIMNAIPDLKIVPIDPTKNIVGIEVPELLVQRLTGKKPQPKNGQPIIPVLLPKYVGLDPISPGDLTMVITQDCDSCHSPASHPYHMDKQNSYQ
Expression Range	1-331aa
Protein Length	Full Length
Mol. Weight	51.8kDa
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	Plays an essential role virus particle assembly and budding. Acts by interacting with viral ribonucleocapsid and host members of the ESCRT (endosomal sorting complex required for transport) system such as host VPS4, PDCD6IP/ALIX, NEDD4 or TGS101. The interaction with host E3 ubiquitin ligase SMURF2 also facilitates virus budding. May play a role in immune cell dysfunction by being packaged into exosomes that can decrease the viability of recipient cells (via RNAi suppression and exosome-bystander apoptosis).
Subcellular Location	Virion membrane; Peripheral membrane protein. Host late endosome membrane; Peripheral membrane protein. Host cell membrane; Peripheral membrane protein; Cytoplasmic side. Host endomembrane system; Peripheral membrane protein.
Protein Families	Filoviridae matrix protein VP40 family
Database References	KEGG: vg:955192

Gene Functions References

Hexameric model of VP40 using X-ray and electron microscopy was presented. PMID: 15908231

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.