Recombinant Qbeta virus Capsid protein, Qbeta virus (strain MX1), E.coli, C-terminal 6xHis-tagged, 21.0kDa, purity >95% as determined by SDS-PAGE.
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Recombinant Qbeta virus Capsid protein

Recombinant Qbeta virus Capsid protein — Acts as a translational repressor of viral replicase synthesis late in infection. Purity >95%.

SKU: BCRECP-003767 Categories: ,
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Product Specifications

Product SkuBCRECP-003767
Product DescriptionRecombinant Qbeta virus Capsid protein is expressed from E.coli with C-terminal 6xHis-tagged. It contains 2-133aa. [Accession | Q9T0R9].
Uniprot No.Q9T0R9
PurityGreater than 95% as determined by SDS-PAGE.
Expression SystemE.coli
Expression Region2-133aa
SpeciesQbeta virus (strain MX1)
Tag InfoC-terminal 6xHis-tagged
Molecular weight21.0kDa
ActivityPlease contact us to obtain bioactivity data.
BufferIf the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
StorageStore at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Research AreasOthers

Function

Acts as a translational repressor of viral replicase synthesis late in infection. This latter function is the result of capsid protein interaction with an RNA hairpin which contains the replicase ribosome-binding site.

Biological Context

Subcellular Location: Virion

Product Specifications

Recombinant Qbeta virus Capsid protein is a recombinant protein from Qbeta virus (strain MX1), expressed in E.coli, covering amino acids 2-133aa, with C-terminal 6xHis-tagged tag, molecular weight 21.0kDa, purity Greater than 95% as determined by SDS-PAGE.. Suitable for ELISA and Western Blot applications.

SDS-PAGE: Single band at expected molecular weight confirming purity.

ELISA: Suitable as coating antigen or detection standard.

Western Blot: Compatible with standard Western Blot protocols.

Protein Interaction: Validated for SPR (Surface Plasmon Resonance) and BLI (Bio-Layer Interferometry) studies.

Shipping: Shipped at ambient temperature. Lyophilized protein is stable during transit.

Storage: Store lyophilized protein at -20°C to -80°C. Reconstituted protein should be aliquoted and stored at -80°C. Avoid repeated freeze-thaw cycles.

Shelf Life: 12 months from date of receipt when stored as recommended.

Shipping Time: Orders placed before 2 PM EST ship same day. International orders typically deliver within 5-10 business days.

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Protein Biology

Function

Acts as a translational repressor of viral replicase synthesis late in infection. This latter function is the result of capsid protein interaction with an RNA hairpin which contains the replicase ribosome-binding site

Subcellular Location

Virion

Subunit

Homodimer. The capsid protein dimer binds to the viral RNA via an operator hairpin, but also many other RNA sequences in the viral genome

Organism: Qbeta virus (strain MX1)  |  Synonyms: Coat protein

Frequently Asked Questions

How do I order or inquire about this product?

Fill out the Online Inquiry form with your required quantity and specifications. You can also email sales@biocrestsci.com. Our team typically responds within 4 business hours with a quote and availability confirmation.

What is the shipping and delivery time?

Orders placed before 2 PM EST ship the same day. Domestic (US) delivery typically takes 2-3 business days. International orders deliver within 5-10 business days. All products are shipped at ambient temperature with appropriate packaging to ensure stability.

How should I store this recombinant protein?

Lyophilized proteins should be stored at -20°C to -80°C upon receipt. After reconstitution, aliquot and store at -80°C. Avoid repeated freeze-thaw cycles. Shelf life is 12 months from date of receipt when stored as recommended.

What quality controls are performed on your products?

Each product undergoes SDS-PAGE purity analysis (typically >85-95%), endotoxin testing, and bioactivity validation. Products are validated for ELISA, Western Blot, and SPR/BLI applications as specified on this product page. A Certificate of Analysis (CoA) is available upon request.

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