pHERV-W Envelope protein, His Tag

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ENN-V5243-100ug
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ENN-V5243-1mg
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ENN-V5243
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Synonyms

Envelope protein, Env polyprotein, Envelope glycoprotein, env

Source

pHERV-W Envelope protein, His Tag (ENN-V5243) is expressed from human 293 cells (HEK293). It contains AA Ser 30 - Lys 316 (Accession # AAK18189.1).

Predicted N-terminus: His

Molecular Characterization

This protein carries a polyhistidine tag at the N-terminus.

The protein has a calculated MW of 33.9 kDa. The protein migrates as 48-58 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Purity

>90% as determined by SDS-PAGE.

Formulation

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

Contact us for customized product form or formulation.

Reconstitution

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

Shipping and Storage

This product is shipped at ambient temperature.

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:
  • -20°C to -70°C for 12 months in lyophilized state;
  • -70°C for 3 months under sterile conditions after reconstitution.

Background

Dengue virus envelope (E) glycoprotein is a class II fusion protein mediating viral attachment and entry. Organized as dimers on the virion surface, it binds host receptors and, upon endosomal acidification, undergoes dramatic conformational rearrangements to drive membrane fusion. Structurally, E comprises three domains (DI, DII, DIII), with DIII responsible for receptor recognition. Highly immunogenic, E elicits neutralizing antibodies and is the principal target for vaccine design and therapeutic antibody development, as inhibiting its fusogenic transition blocks dengue virus infection.