Recombinant Enterobacteria phage H19B Shiga-like toxin 1 subunit B (stxB), Enterobacteria phage H19B (Bacteriophage H19B), E.coli, N-terminal 6xHis-tagged, 11.7kDa, purity >85% as determined by SDS-PAGE.

Recombinant Enterobacteria phage H19B Shiga-like toxin 1 subunit B (stxB)

Recombinant Enterobacteria phage H19B Shiga-like toxin 1 subunit B (stxB) — recombinant protein from Enterobacteria phage H19B (Bacteriophage H19B), expressed in E.coli. Purity >85%.

SKU: BCRECP-004503 Category:
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Product Specifications

Product SkuBCRECP-004503
Product DescriptionRecombinant Enterobacteria phage H19B Shiga-like toxin 1 subunit B (stxB) Protein is expressed from E.coli with N-terminal 6xHis-tagged. It contains 21-89aa. [Accession | P69179].
Uniprot No.P69179
Gene NamesstxB
PurityGreater than 85% as determined by SDS-PAGE.
Expression SystemE.coli
Expression Region21-89aa
SpeciesEnterobacteria phage H19B (Bacteriophage H19B)
Tag InfoN-terminal 6xHis-tagged
Molecular weight11.7kDa
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

The B subunit is responsible for the binding of the holotoxin to specific receptors on the target cell surface, such as globotriaosylceramide (Gb3) in human intestinal microvilli.

Biological Context

Subcellular Location: Secreted

Product Specifications

Recombinant Enterobacteria phage H19B Shiga-like toxin 1 subunit B (stxB) is a recombinant protein from Enterobacteria phage H19B (Bacteriophage H19B), expressed in E.coli, covering amino acids 21-89aa, with N-terminal 6xHis-tagged tag, molecular weight 11.7kDa, purity Greater than 85% as determined by SDS-PAGE.. Suitable for ELISA and Western Blot applications.

Recommended applications depend on the target, product format, and product-specific validation data. Refer to the product datasheet or Certificate of Analysis (CoA), or contact BioCrest Sci for application guidance.

Biological Activity: Please contact us to obtain bioactivity data.

Storage: Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.

Shipping & Lead Time: Availability, shipping conditions, and estimated lead time are confirmed in the formal quotation or order confirmation based on the product format, destination, and order requirements.

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Protein Biology

Function

The B subunit is responsible for the binding of the holotoxin to specific receptors on the target cell surface, such as globotriaosylceramide (Gb3) in human intestinal microvilli

Subcellular Location

Secreted

Subunit

Shiga-like toxin contains a single subunit A and five copies of subunit B

Gene: stxB  |  Organism: Enterobacteria phage H19B  |  Synonyms: Verocytotoxin 1 subunit B
Key Publications

Explore closely related product collections, technology platforms, and custom production resources.

Frequently Asked Questions

How do I order or inquire about this product?

Submit the Online Inquiry form with your required quantity and specifications, or email sales@biocrestsci.com. Available sizes, pricing, stock status, documentation, and estimated lead time are confirmed in the formal quotation.

What is the shipping and delivery time?

Availability, dispatch timing, shipping conditions, and delivery estimates depend on the product format, destination, and order requirements. These details are confirmed in the formal quotation or order confirmation.

How should this product be stored?

Follow the storage and handling instructions in the product-specific datasheet and Certificate of Analysis (CoA). Requirements may vary by product form and formulation; contact BioCrest Sci if product-specific guidance is needed.

What quality controls are performed on your products?

Quality-control data such as identity, purity, endotoxin level, or biological activity are provided only when specified on this product page, the datasheet, or Certificate of Analysis (CoA). Biological activity is not implied unless explicitly stated.

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