Shop All In vitro Protein Expression Systems

pT7CFE1-CHis Vector for Mammalian Cell-Free Protein Expression Thermo Scientific™

Thermo Scientific pT7CFE1-CHis is a cloning plasmid optimized to use with the Thermo Scientific 1-Step Human In Vitro Protein Expression System for in vitro translation (IVT) of tagged fusion proteins. pT7CFE1-CHis Vector is available with single affinity 6xHis tag at the C-terminus to facilitate protein purification and detection.

Features of pT7CFE1:
• EMCV IRES at the 5' UTR promotes high-level translation of mRNAs
• MCS accommodates gene insertion via ten different restriction sites: Msc1, Nde1, BamH1, EcoR1, EcoRV, Pac1, Pst1, Sac1, Sal1, Not1 and Xho1
• Poly A sequence in the 3' region promotes mRNA stabilization and protection from nucleases
• T7 terminator ensures synthesis of accurate size mRNA transcripts
• Plasmid linearization may be accomplished with restriction sites between Poly A sequence and the T7 terminator region

pT7CFE1 Expression Vectors contain the Encephalomyocarditis virus (EMCV) internal ribosome entry site (IRES) element that is critical for high levels of cap-independent protein expression in the Human In Vitro Translation System. Each vector features a highly-compatible multiple cloning site (MCS) to facilitate easy insertion of protein coding sequences into and between vectors. The pT7CFE1 Vector is available with single or tandem affinity tags at the N- or C- terminus to facilitate protein purification and detection. The pT7CFE Vectors are suitable for insertion of cloned genes, cDNAs, ORFs or PCR products for in vitro transcription and translation. Custom cloning services are also available.

More Product Data
Choosing a vector and purification method for in vitro protein expression

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pT7CFE1-NHis Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-CGST-HA-His Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST-CHA Vector for Mammalian Cell-Free Protein Expression

1-Step Heavy Protein IVT Kit Thermo Scientific™

Thermo Scientific 1-Step Heavy Protein in vitro Protein Expression Kits enable rapid cell-free expression of recombinant proteins containing stable isotope-labeled (i.e., heavy) amino acids.

Features of the 1-Step Heavy Protein IVT Kit:

Efficient—express heavy proteins with 90 to 95% stable isotope incorporation
Functional—uses the human translational machinery to express more biologically active proteins than other IVT systems
Flexible—express light proteins or heavy proteins containing 13C615N2 L-lysine and/or 13C615N4 L-arginine
Convenient—perform transcription and translation in a single step
High performance—greater yields compared to rabbit reticulocyte in vitro translation

The 1-Step Heavy Protein IVT Kit uses a unique HeLa cell lysate supplemented with heavy amino acids for in vitro translation (IVT) of proteins with 90 to 95% isotope incorporation efficiency in less than 8 hours. Heavy proteins expressed using this system can be used as mass spectrometry controls for sample prep loss, digestion efficiency determination or as quantification standards.

Applications:
• Identify ideal peptides for targeted quantitation
• Verify protein digestion efficiency
• Control for protein sample prep variability and affinity enrichment loss

Thermo Scientific 1-Step Heavy Protein IVT Kit contains all of the necessary components to express a heavy protein including HeLa cell lysate, proprietary accessory proteins, reaction mix, heavy amino acids, positive-control GFP DNA and the pT7CFE1-CGST-HA-His cloning vector. The benefits of in vitro expression of heavy proteins over traditional in vivo systems include expression of toxic or insoluble proteins, a more rapid protein synthesis and a more economical use of heavy amino acids compared to stable-isotope labeled cell lines. This small-scale expression method makes it easy to express numerous heavy proteins simultaneously or to express large quantities of a single heavy protein up to 100 µg/mL. Tandem affinity purification of heavy proteins is aided using an expression vector containing multiple affinity tags including GST, HA and 6xHis.

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Cell-free protein expression system for generating stable isotope-labeled proteins

pT7CFE1-CGFP-HA-His Vector for Mammalian Cell-Free Protein Expression Thermo Scientific™

Thermo Scientific pT7CFE1-CGFP-HA-His is a cloning plasmid optimized to use with the Thermo Scientific 1-Step Human In Vitro Protein Expression System for in vitro translation (IVT) of tagged fusion proteins. pT7CFE1-CGST-HA-His Vector is available with tandem affinity tags, GFP,HA and 6xHis at the C-terminus, to facilitate protein purification and detection. pT7CFE1-CGST-HA-His also has a cleavable tag, HRV 3C, available on the C-terminus.

Features of pT7CFE1:
• EMCV IRES at the 5' UTR promotes high-level translation of mRNAs
• MCS accommodates gene insertion via ten different restriction sites: Msc1, Nde1, BamH1, EcoR1, EcoRV, Pac1, Pst1, Sac1, Sal1, Not1 and Xho1
• Poly A sequence in the 3' region promotes mRNA stabilization and protection from nucleases
• T7 terminator ensures synthesis of accurate size mRNA transcripts
• Plasmid linearization may be accomplished with restriction sites between Poly A sequence and the T7 terminator region

pT7CFE1 Expression Vectors contain the Encephalomyocarditis virus (EMCV) internal ribosome entry site (IRES) element that is critical for high levels of cap-independent protein expression in the Human In Vitro Translation System. Each vector features a highly-compatible multiple cloning site (MCS) to facilitate easy insertion of protein coding sequences into and between vectors. The pT7CFE1 Vector is available with single or tandem affinity tags at the N- or C- terminus to facilitate protein purification and detection. The pT7CFE Vectors are suitable for insertion of cloned genes, cDNAs, ORFs or PCR products for in vitro transcription and translation. Custom cloning services are also available.

More Product Data
Choosing a vector and purification method for in vitro protein expression

Related Products
pT7CFE1-NHA-CHis Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-CGST-HA-His Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST-CHA Vector for Mammalian Cell-Free Protein Expression

pT7CFE1-NHis-GST Vector for Mammalian Cell-Free Protein Expression Thermo Scientific™

Thermo Scientific pT7CFE1-NHis-GST is a cloning plasmid optimized to use with the Thermo Scientific 1-Step Human In Vitro Protein Expression System for in vitro translation (IVT) of tagged fusion proteins. pT7CFE1-NHis-GST Vector is available with tandem affinity tags, 9xHis and GST at the N-terminus, to facilitate protein purification and detection. pT7CFE1-NHis-GST also has a cleavable tag, HRV 3C, available on the N-terminus.

Features of pT7CFE1:
• EMCV IRES at the 5' UTR promotes high-level translation of mRNAs
• MCS accommodates gene insertion via ten different restriction sites: Msc1, Nde1, BamH1, EcoR1, EcoRV, Pac1, Pst1, Sac1, Sal1, Not1 and Xho1
• Poly A sequence in the 3' region promotes mRNA stabilization and protection from nucleases
• T7 terminator ensures synthesis of accurate size mRNA transcripts
• Plasmid linearization may be accomplished with restriction sites between Poly A sequence and the T7 terminator region

pT7CFE1 Expression Vectors contain the Encephalomyocarditis virus (EMCV) internal ribosome entry site (IRES) element that is critical for high levels of cap-independent protein expression in the Human In Vitro Translation System. Each vector features a highly-compatible multiple cloning site (MCS) to facilitate easy insertion of protein coding sequences into and between vectors. The pT7CFE1 Vector is available with single or tandem affinity tags at the N- or C- terminus to facilitate protein purification and detection. The pT7CFE Vectors are suitable for insertion of cloned genes, cDNAs, ORFs or PCR products for in vitro transcription and translation. Custom cloning services are also available.

More Product Data
Choosing a vector and purification method for in vitro protein expression

Related Products
pT7CFE1-NHA-CHis Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-CGST-HA-His Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-CGFP-HA-His Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST-CHA Vector for Mammalian Cell-Free Protein Expression

ExpiSf™ CD Medium Gibco™

ExpiSf CD Medium is a GMP-manufactured, chemically defined, yeastolate-free, serum-free, protein-free, animal origin-free medium specifically designed for high-density growth, transfection, and baculovirus infection of suspension-adapted Sf9 (Spodoptera frugiperda) insect cells.

ExpiSf CD Medium:
• Delivers high reproducibility and lot-to-lot reliability
• Enables high-yield protein expression that is three times higher than traditional insect expression platforms
• Supports growth of suspension Sf9 cultures to densities of approximately 2 x 107 cells/mL
• Supports high-density baculovirus infection of suspension Sf9 cells
• Supports growth, transfection, and baculovirus infection of Sf9 cells in culture formats from 24-deep well plates to >2 L in shaker flasks
• Is a ready-to-use formulation, with no supplementation required
• Powder format available to facilitate large-scale applications

ExpiSf CD Medium is a core component of the ExpiSf Expression System. For highest level protein expression, the medium is used in combination with a matched protein expression enhancer, ExpiSf Enhancer, which is supplied as part of the ExpiSf Protein Production Kit. Sf9 and Sf21 cells adapted to other commercially-available serum-free media may be adapted for growth in ExpiSf CD Medium. ExpiSf CD Medium is not recommended for adherent cell cultures.

cGMP manufacturing
ExpiSf CD Medium is manufactured using an ISO 13485-certified process according to 21 CFR 820 medical device current good manufacturing practices (cGMP).

Dry media formulations
For added flexibility, ExpiSf CD Medium can be made in AGT dry format at large scale. For custom media requests, please contact Gibco Custom Media Services.

pT7CFE1-NHA Vector for Mammalian Cell-Free Protein Expression Thermo Scientific™

Thermo Scientific pT7CFE1-NHA is a cloning plasmid optimized to use with the Thermo Scientific 1-Step Human In Vitro Protein Expression System for in vitro translation (IVT) of tagged fusion proteins. pT7CFE1-NHA Vector is available with single affinity HA tag at the N-terminus to facilitate protein purification and detection.

Features of pT7CFE1:
• EMCV IRES at the 5' UTR promotes high-level translation of mRNAs
• MCS accommodates gene insertion via ten different restriction sites: Msc1, Nde1, BamH1, EcoR1, EcoRV, Pac1, Pst1, Sac1, Sal1, Not1 and Xho1
• Poly A sequence in the 3' region promotes mRNA stabilization and protection from nucleases
• T7 terminator ensures synthesis of accurate size mRNA transcripts
• Plasmid linearization may be accomplished with restriction sites between Poly A sequence and the T7 terminator region

pT7CFE1 Expression Vectors contain the Encephalomyocarditis virus (EMCV) internal ribosome entry site (IRES) element that is critical for high levels of cap-independent protein expression in the Human In Vitro Translation System. Each vector features a highly-compatible multiple cloning site (MCS) to facilitate easy insertion of protein coding sequences into and between vectors. The pT7CFE1 Vector is available with single or tandem affinity tags at the N- or C- terminus to facilitate protein purification and detection. The pT7CFE Vectors are suitable for insertion of cloned genes, cDNAs, ORFs or PCR products for in vitro transcription and translation. Custom cloning services are also available.

More Product Data
Choosing a vector and purification method for in vitro protein expression

Related Products
pT7CFE1-CHA Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-CGST-HA-His Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST-CHA Vector for Mammalian Cell-Free Protein Expression

pT7CFE1-CHA Vector for Mammalian Cell-Free Protein Expression Thermo Scientific™

Thermo Scientific pT7CFE1-CHA is a cloning plasmid optimized to use with the Thermo Scientific 1-Step Human In Vitro Protein Expression System for in vitro translation (IVT) of tagged fusion proteins. pT7CFE1-CHA Vector is available with single affinity HA tag at the C-terminus to facilitate protein purification and detection.

Features of pT7CFE1:
• EMCV IRES at the 5' UTR promotes high-level translation of mRNAs
• MCS accommodates gene insertion via ten different restriction sites: Msc1, Nde1, BamH1, EcoR1, EcoRV, Pac1, Pst1, Sac1, Sal1, Not1 and Xho1
• Poly A sequence in the 3' region promotes mRNA stabilization and protection from nucleases
• T7 terminator ensures synthesis of accurate size mRNA transcripts
• Plasmid linearization may be accomplished with restriction sites between Poly A sequence and the T7 terminator region

pT7CFE1 Expression Vectors contain the Encephalomyocarditis virus (EMCV) internal ribosome entry site (IRES) element that is critical for high levels of cap-independent protein expression in the Human In Vitro Translation System. Each vector features a highly-compatible multiple cloning site (MCS) to facilitate easy insertion of protein coding sequences into and between vectors. The pT7CFE1 Vector is available with single or tandem affinity tags at the N- or C- terminus to facilitate protein purification and detection. The pT7CFE Vectors are suitable for insertion of cloned genes, cDNAs, ORFs or PCR products for in vitro transcription and translation. Custom cloning services are also available.

More Product Data
Choosing a vector and purification method for in vitro protein expression

Related Products
pT7CFE1-NHA Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-CGST-HA-His Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST-CHA Vector for Mammalian Cell-Free Protein Expression

1-Step Human Coupled IVT Kit - DNA Thermo Scientific™

Thermo Scientific 1-Step Human In Vitro Protein Expression Kits enable the translation and post-transcriptional modification of full-length proteins from mRNA or plasmid templates with yields of up to 100 µg/mL per reaction.

The Human IVT Kits are unique HeLa cell lysate-based protein expression systems for in vitro translation or coupled transcription/translation reactions. Protein expression is performed in a single 90-minute reaction that can be extended for up to 6 hours with continued protein production up to 100 µg/mL when combined with the optimized pT7CFE1 Expression Vector. The Human IVT Kits can express functional enzymes, phosphoproteins, glycoproteins and membrane proteins for immediate use in studying protein interactions, performing rapid mutational analysis and measuring activity.

Features of the 1-Step Human Coupled IVT Kit:

Functional—uses the human translational machinery to express active proteins
Convenient—perform transcription and translation in a single step
High performance—greater yields compared to rabbit reticulocyte in vitro translation
Reliable—express proteins that fail in rabbit reticulocyte systems

Better Than Traditional Methods:
• HeLa cell-free extracts are capable of expressing proteins with post-translational modifications
• Accurate translation delivers full-length protein compatible with downstream applications
• Protein translation is optimized with EMCV IRES element and other mRNA stabilizing elements

Includes:
• Complete kits contain HeLa cell lysate, accessory proteins, reaction mix, nuclease-free water, expression vector and a GFP-positive control vector

Requires:
• 30°C incubator or water bath

Applications:
• Express proteins to measure enzyme activity
• Perform mutational analysis
• Express protein for use in gel mobility shift assays
• Perform co-immunoprecipitation
• Express cytotoxic proteins
• Perform unnatural amino acid labeling

The 1-Step Coupled Human IVT Kit for DNA is a cell-free system using the cellular transcription and translation machinery from a modified HeLa cell line. The procedure is quick and easy and is an effective alternative to other protein expression methods. Simply add an appropriate expression construct to a mixture of HeLa cell lysate, Accessory Proteins, Reaction Mix and incubate at 30°C for 90 minutes to overnight.

The 1-Step Human IVT Kit for mRNA also uses the human protein translation machinery to produce functional protein. This kit is recommended for translation of mRNA transcripts containing an EMCV IRES element and mRNA stabilizing features designed into the pT7CFE1 expression vector.

The human in vitro translation system is robust and will express proteins from a variety of species including mammals, bacteria and protozoa. Benchmarking shows that the expression levels of functional proteins such as luciferase are much higher in the human system compared to either rabbit reticulocyte-based or E. coli-based systems. Furthermore, proteins expressed with the human in vitro translation system are not contaminated with substances that can interfere with downstream applications.

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Protocol for in vitro protein expression using mRNA templates

Pierce™ Recombinant GFP Protein Thermo Scientific™

Recombinant GFP (Green Fluorescent Protein) is intended as a convenient positive control for the in vitro synthesis of GFP using the Thermo Scientific 1-Step Human Coupled IVT Kit.

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Protocol for in vitro protein expression using mRNA templates
Glycoprotein expression in a human IVT system

MembranePro™ Functional Protein Expression Kit Invitrogen™

For customers studying GPCRs and other membrane proteins, MembranePro™ is the ready-to-use system that delivers enriched, functional membrane proteins efficiently and reliably. Benefits of MembranePro™ include:

• Proteins are displayed on human (or other mammalian) cell membranes
• Cellular quality control and mammalian posttranslational processing helps produce functional protein
• Proteins bud off as lipoparticles and are easily collected from the culture medium
• Lipoparticles are enriched with expressed receptors

MembranePro™ workflow is less labor intensive in comparison to traditional production of membrane fractions. Briefly, the MembranePro™ protocol allows you to:

1. Clone your gene of interest using a TOPO® vector
2. Transfect with Lipofectamine™ 2000 and MembranePro™ Reagent into 293FT cells
3. Harvest lipoparticles 48h post-transfection, concentrate with MembranePro™ Precipitation Mix
4. Store lipoparticles at -80 C or proceed to downstream assays

MembranePro™ products are offered in two configurations – as an expression kit (TOPO® vector, Lipofectamine™ 2000, MembranePro™ Precipitation Mix, MembranePro™ Reagent, 293FT cells) and as a support kit (Lipofectamine™ 2000, MembranePro™ Precipitation Mix, MembranePro™ Reagent). The expression kit is only available in a 10 reaction size; the support kit is available in 10, 60 and 600 reaction sizes.

pT7CFE1-CMyc Vector for Mammalian Cell-Free Protein Expression Thermo Scientific™

Thermo Scientific pT7CFE1-CMyc is a cloning plasmid optimized to use with the Thermo Scientific 1-Step Human In Vitro Protein Expression System for in vitro translation (IVT) of tagged fusion proteins. pT7CFE1-CMyc Vector is available with single affinity Myc tag at the C-terminus to facilitate protein purification and detection.

Features of pT7CFE1:
• EMCV IRES at the 5' UTR promotes high-level translation of mRNAs
• MCS accommodates gene insertion via ten different restriction sites: Msc1, Nde1, BamH1, EcoR1, EcoRV, Pac1, Pst1, Sac1, Sal1, Not1 and Xho1
• Poly A sequence in the 3' region promotes mRNA stabilization and protection from nucleases
• T7 terminator ensures synthesis of accurate size mRNA transcripts
• Plasmid linearization may be accomplished with restriction sites between Poly A sequence and the T7 terminator region

pT7CFE1 Expression Vectors contain the Encephalomyocarditis virus (EMCV) internal ribosome entry site (IRES) element that is critical for high levels of cap-independent protein expression in the Human In Vitro Translation System. Each vector features a highly-compatible multiple cloning site (MCS) to facilitate easy insertion of protein coding sequences into and between vectors. The pT7CFE1 Vector is available with single or tandem affinity tags at the N- or C- terminus to facilitate protein purification and detection. The pT7CFE Vectors are suitable for insertion of cloned genes, cDNAs, ORFs or PCR products for in vitro transcription and translation. Custom cloning services are also available.

More Product Data
Choosing a vector and purification method for in vitro protein expression

Related Products
pT7CFE1-NMyc Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-CGST-HA-His Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST-CHA Vector for Mammalian Cell-Free Protein Expression

ExpiSf™ Protein Production Kit Gibco™

The ExpiSf Protein Production Kit is designed to significantly boost protein expression from high-density suspension cultures of Sf9 insect cells. The kit includes the chemically defined, animal origin-free ExpiSf Enhancer and ExpiSf CD Medium, which together power the highest possible level of protein expression from baculovirus-infected ExpiSf9 Cells.

The ExpiSf Protein Production Kit:
• Delivers greater than 80% more protein yield in high-density suspension Sf9 cell culture than ExpiSf CD Medium alone
• Includes ExpiSf Enhancer, which is specifically designed to work in concert with ExpiSf CD Medium to significantly boost protein expression from baculovirus-infected insect cell cultures
• Demonstrates direct scalability of baculovirus infection from culture volumes of 4 mL in deep-well plates to >3 L in shake flasks

The ExpiSf Protein Production Kit is specifically designed to work with ExpiSf9 Cells in the ExpiSf Expression System. The kit supplies sufficient ExpiSf Enhancer and ExpiSf CD Medium to infect 1 L, 10 L, or 50 L of culture. ExpiSf CD Medium is also available for purchase separately.

ExpiCHO™ Expression System Kit Gibco™

The ExpiCHO™ Expression System Kit combines the power of rapid, ultra–high-yield transient protein production in suspension culture with the benefit of expression in Chinese hamster ovary (CHO) cells. It is based on high-density culture of ExpiCHO-S™ cells in ExpiCHO™ Expression Medium. Transient expression is powered by ExpiFectamine™ CHO transfection reagent, designed specifically for high-density CHO suspension culture, in combination with a specialized transfection enhancer and culture feed. All components work together synergistically to generate 2- to 10-fold higher protein yields than the HEK293-based Expi293™ Expression System Kit and 20- to 150-fold higher yields than the FreeStyle™ MAX CHO Expression System. Expression yields of 1 to 3 g per L of transfected culture have been demonstrated for some antibody and non-antibody proteins.

The ExpiCHO Expression System offers:

• Milligram to multigram yields of recombinant protein per liter of culture in 5 to 14 days post-transfection, which are frequently higher than transient 293-based systems
• Cost-effective transient expression in CHO cells, allowing scientists developing protein biotherapeutics to work with CHO-expressed proteins from start to finish in the drug development process
• A robust alternative mammalian transient expression host, allowing for production of proteins that are difficult to express in HEK293 cells
• Flexible, reliable culture and transfection protocols with multiple options that readily fit into current transient expression workflows
• Scalable expression for cultures from <1 mL to >10 L, thus generating the amount of protein needed for your application

The components included in the ExpiCHO Expression System Kit are: 2 vials of frozen ExpiCHO-S cells, 1 L of ExpiCHO Expression Medium, 1 ExpiFectamine CHO Transfection Kit sufficient to transfect 1 L of culture, OptiPRO™ SFM, and an antibody-expressing positive control vector. All components of the ExpiCHO Expression System Kit are also available for purchase separately. All components of the system are animal origin–free.

pT7CFE1-CGST-HA-His Vector for Mammalian Cell-Free Protein Expression Thermo Scientific™

Thermo Scientific pT7CFE1-CGST-HA-His is a cloning plasmid optimized to use with the Thermo Scientific 1-Step Human In Vitro Protein Expression System for in vitro translation (IVT) of tagged fusion proteins. pT7CFE1-CGST-HA-His Vector is available with tandem affinity tags, GST,HA and 6xHis at the C-terminus, to facilitate protein purification and detection. pT7CFE1-CGST-HA-His also has a cleavable tag, HRV 3C, available on the C-terminus.

Features of pT7CFE1:
• EMCV IRES at the 5' UTR promotes high-level translation of mRNAs
• MCS accommodates gene insertion via ten different restriction sites: Msc1, Nde1, BamH1, EcoR1, EcoRV, Pac1, Pst1, Sac1, Sal1, Not1 and Xho1
• Poly A sequence in the 3' region promotes mRNA stabilization and protection from nucleases
• T7 terminator ensures synthesis of accurate size mRNA transcripts
• Plasmid linearization may be accomplished with restriction sites between Poly A sequence and the T7 terminator region

pT7CFE1 Expression Vectors contain the Encephalomyocarditis virus (EMCV) internal ribosome entry site (IRES) element that is critical for high levels of cap-independent protein expression in the Human In Vitro Translation System. Each vector features a highly-compatible multiple cloning site (MCS) to facilitate easy insertion of protein coding sequences into and between vectors. The pT7CFE1 Vector is available with single or tandem affinity tags at the N- or C- terminus to facilitate protein purification and detection. The pT7CFE Vectors are suitable for insertion of cloned genes, cDNAs, ORFs or PCR products for in vitro transcription and translation. Custom cloning services are also available.

More Product Data
Choosing a vector and purification method for in vitro protein expression

Related Products
pT7CFE1-NHA-CHis Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-CGFP-HA-His Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST Vector for Mammalian Cell-Free Protein Expression
pT7CFE1-NHis-GST-CHA Vector for Mammalian Cell-Free Protein Expression

ExpiSf™ Expression System Starter Kit Gibco™

The ExpiSf Expression System is a complete chemically-defined baculovirus-insect cell protein expression system that delivers superior yields and consistent performance run after run using a fast, streamlined workflow.

The ExpiSf Expression System offers:
• A chemically defined, yeastolate-free, animal origin-free medium for consistent cell growth and protein expression
• Integrated components that work in concert to deliver three times higher protein yields compared to traditional insect expression platforms
• Robust production of high-titer, high-quality P0 recombinant baculovirus in suspension culture format without the need for further virus amplification
• A fast, simplified workflow that allows you to obtain protein in as little as 6–10 days; half the time of traditional protocols
• Scalable expression that can be applied to cultures from 24-deep well plates to >3 L shake flasks

The components included in the ExpiSf Expression System Starter Kit are: 2 vials of frozen ExpiSf9 Cells, 1 liter of ExpiSf CD Medium, ExpiSf Enhancer sufficient for 1 liter of culture, 1 mL ExpiFectamine Sf Transfection Reagent, 500 mL Opti-MEM Reduced Serum Medium, 0.5 mL MAX Efficiency DH10Bac Competent Cells, 1 Bac-to-Bac Vector Kit containing the pFastBac 1 Expression Vector and pFastBac 1-Gus Positive Control Vector. All components of the ExpiSf Expression System are also available for purchase separately.

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