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pFN6 and pFC7 (HQ) Flexi® Vectors

Protein Expression Vectors with HQ Tag for Ni-Affinity Purification

  • Express N- or C-terminal HQ-tagged proteins in T7 promoter expression systems
  • Choose from a variety of expression systems and fusion tag orientations and then transfer as required
  • Barnase insert decreases the number of background colonies for efficient transfer of ORFs

Choose a protein fusion and antibiotic resistance

Size

Catalog number selected: C8511

$ 322.00 Your price: Log in

pFN6 and pFC7 (HQ) Flexi® Vectors
N-terminal + Ampicillin/20µg
$ 322.00
Your price: Log in
Change Configuration

The pFN6 and pFC7 (HQ) Flexi® Vectors are used for inducible expression of HQ-tagged fusion proteins in E. coli and cell-free systems using the T7 RNA polymerase promoter. The HQ tag and polyhistidine tag (His) are comparable in their affinity for Ni ions and will bind to all His-binding surfaces and resins. In certain cases the HQ-tagged proteins can be eluted from the affinity columns at lower concentrations of imidazole—a property useful for some downstream applications such as enzymatic reactions. As with His tag, proteins can be expressed from bacterial, insect and mammalian systems and purified under either native or denaturing conditions.

Use these Flexi® vectors for bacterial and cell-free protein expression of ORFs and purify the tagged proteins with Ni (His-affinity) resin for standard protein purification and prokaryotic expression applications. The pFN6A/K (HQ) Flexi® Vectors (Cat.# C8511, C8521) are designed for protein expression with an N-terminal HQ tag. The pFC7A/K (HQ) Flexi® Vectors (Cat.# C8531, C8541) are designed for protein expression with an C-terminal HQ tag.

About the Flexi® Vector System

The Flexi® Vector System is a simple, yet powerful, directional cloning method for protein-coding sequences. It is based on two rare-cutting restriction enzymes, SgfI and PmeI, and provides a rapid, efficient and high-fidelity way to transfer protein-coding regions between a variety of Flexi® Vectors without the need to resequence. Directly use recombinant clones and minimize time wasted screening background colonies. The versatile cloning of the Flexi® system means you can choose from a variety of expression systems and fusion tag orientations and then transfer to others as required. Direct transfers can only occur between two N-terminal tagged vectors or from an N-terminal to a C-terminal vector.

Note: Flexi® Vectors contain the lethal barnase gene to reduce background colonies without inserts during the subcloning procedure. Using the Flexi® Vector Cloning System replaces the barnase gene with your insert. These vectors, as purchased, cannot be cultured in normal laboratory strains of E. coli without an insert.

Sequence Information

pFN6A (HQ) Flexi® Vector GenBank® Accession Number DQ132629 and vector sequence text file.

pFN6K (HQ) Flexi® Vector GenBank® Accession Number DQ132630 and vector sequence text file.

pFC7A (HQ) Flexi® Vector GenBank® Accession Number DQ133906 and vector sequence text file.

pFC7K (HQ) Flexi® Vector GenBank® Accession Number DQ133907 and vector sequence text file.

Specifications

You are viewing: C8511 Change Configuration

What's in the box?

Item Part # Size

pFN6A (HQ) Flexi® Vector

C851A 1 × 20μg

SDS

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Certificate of Analysis

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Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

BB

Patents and Disclaimers

U.S. Pat. Nos. 8,293,503, 9,018,014 and 8,367,403, European Pat. No. 1685247 and other patents and patents pending.

Patent Pending.

For research use only. Persons wishing to use this product or its derivatives in other fields of use, including without limitation, commercial sale, diagnostics or therapeutics, should contact Promega Corporation for licensing information.

Specifications

You are viewing: C8521 Change Configuration

What's in the box?

Item Part # Size

pFN6K (HQ) Flexi® Vector

C852A 1 × 20μg

SDS

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Certificate of Analysis

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Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

BB

Patents and Disclaimers

U.S. Pat. Nos. 8,293,503, 9,018,014 and 8,367,403, European Pat. No. 1685247 and other patents and patents pending.

Patent Pending.

For research use only. Persons wishing to use this product or its derivatives in other fields of use, including without limitation, commercial sale, diagnostics or therapeutics, should contact Promega Corporation for licensing information.

Specifications

You are viewing: C8531 Change Configuration

What's in the box?

Item Part # Size

pFC7A (HQ) Flexi® Vector

C853A 1 × 20μg

SDS

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Certificate of Analysis

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Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

BB

Patents and Disclaimers

U.S. Pat. Nos. 8,293,503, 9,018,014 and 8,367,403, European Pat. No. 1685247 and other patents and patents pending.

Patent Pending.

For research use only. Persons wishing to use this product or its derivatives in other fields of use, including without limitation, commercial sale, diagnostics or therapeutics, should contact Promega Corporation for licensing information.

Specifications

You are viewing: C8541 Change Configuration

What's in the box?

Item Part # Size

pFC7K (HQ) Flexi® Vector

C854A 1 × 20μg

SDS

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Certificate of Analysis

Search for Specific Certificate:

View more results
No results
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Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

BB

Patents and Disclaimers

U.S. Pat. Nos. 8,293,503, 9,018,014 and 8,367,403, European Pat. No. 1685247 and other patents and patents pending.

Patent Pending.

For research use only. Persons wishing to use this product or its derivatives in other fields of use, including without limitation, commercial sale, diagnostics or therapeutics, should contact Promega Corporation for licensing information.

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