Recombinant Escherichia coli Tetracycline repressor protein class B from transposon Tn10 (tetR), Escherichia coli, E.coli, Tag-Free, 23.4kDa, purity >85% as determined by SDS-PAGE.

Recombinant Escherichia coli Tetracycline repressor protein class B from transposon Tn10 (tetR)

Recombinant Escherichia coli Tetracycline repressor protein class B from transposon Tn10 (tetR) — TetR is the repressor of the tetracycline resistance element; its N-terminal region forms a helix-turn-helix structure and binds DNA. Purity >85%.

SKU: BCRECP-004541 Category:
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Product Specifications

Product SkuBCRECP-004541
Product DescriptionRecombinant Escherichia coli Tetracycline repressor protein class B from transposon Tn10 (tetR) Protein is expressed from E.coli with Tag-Free. It contains 1-207aa. [Accession | P04483].
Uniprot No.P04483
Gene NamestetR
PurityGreater than 85% as determined by SDS-PAGE.
Expression SystemE.coli
Expression Region1-207aa
SpeciesEscherichia coli
Tag InfoTag-Free
Molecular weight23.4kDa
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

TetR is the repressor of the tetracycline resistance element; its N-terminal region forms a helix-turn-helix structure and binds DNA. Binding of tetracycline to TetR reduces the repressor affinity for the tetracycline resistance gene (tetA) promoter operator sites.

Product Specifications

Recombinant Escherichia coli Tetracycline repressor protein class B from transposon Tn10 (tetR) is a recombinant protein from Escherichia coli, expressed in E.coli, covering amino acids 1-207aa, with Tag-Free tag, molecular weight 23.4kDa, purity Greater than 85% 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

TetR is the repressor of the tetracycline resistance element; its N-terminal region forms a helix-turn-helix structure and binds DNA. Binding of tetracycline to TetR reduces the repressor affinity for the tetracycline resistance gene (tetA) promoter operator sites

Gene: tetR  |  Organism: Escherichia coli

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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