Competent Cells and Transformation
GoldBio offers an extensive collection of efficient chemically competent and electrocompetent cells with high transformation efficiencies to match your specific downstream applications: general cloning, protein expression, library construction, and many more.
- GoldBio's wide range of chemically competent and electrocompetent cells are optimized to provide lot-to-lot consistency and up to 10X higher transformation efficiency.
- Our universal recovery medium (SOC) formulation accompanies ALL of GoldBio's competent cells.
- We carry multiple Endonuclease I-deficient (endA1) competent bacterial cell strains to suit your cloning needs and ensure your transformations result in high quality and yield of plasmid DNA.
- Choose from E. coli strains with different selectable markers and screening options including the classic blue/white selection.
- GoldBio cells are ideal for distinct downstream applications from routine cloning/subcloning and protein expression to the more complex library construction, and cloning of difficult targets.
- Our electrocompetent Agrobacterium cells contain an efficient T-DNA binary system for genetic material transfer into the host plant cells.
CHOOSE THE BEST COMPETENT CELLS FOR YOUR APPLICATION!
Our GB5-alpha™, BL21, BL21(DE3), GB10B™, GB10B-Pro™, DL39(DE3), and Agrobacterium cells are available in multiple formats to provide you with flexibility when planning your experiments. GoldBio also provides easy-to-follow protocols, FAQs, protocol videos and selection guides to ensure success of your transformations!
BROWSE OUR TRANSFORMATION AND COMPETENT CELL RESOURCES
Your time in the lab is valuable! In this section you will find GoldBio's transformation tools designed to help support and simplify your competent cell transformations. You can access specific chemical transformation or electroporation protocols for each of our competent cell lines, antibiotic information, colony screening protocols, instructional blog articles, detailed guides containing competent cells characteristics and downstream applications, FAQs, electroporation troubleshooting tips and video protocols.
Electroporation and Electrocompetent Cells FAQs:
Electroporation is a technique commonly used in transformation assays to introduce DNA into an electrocompetent cell. During electroporation a transient current or electrical pulse is applied to cells that have been suspended in a solution. The current momentarily increases the permeability of the cell's membrane, creating holes (a pathway) that allow DNA (plasmids) to pass through and enter the cell. Generally, electroporation can be more effective than chemical transformation.
Electrocompetent cells have a higher transformation efficiency than chemically competent cells. The use of electrocompetent cells facilitate the transformation of large plasmids, including BACs (Bacterial Artificial Chromosomes), that might otherwise be difficult to transform using chemical transformation.
Arcing during electroporation can be avoided by making sure there are no air bubbles in the cell/DNA solution prior to electroporation. Also, desalt your DNA since the presence of conductive ions in the solution will cause arcing and electroporation failure. In addition, ensure that your equipment, including the cuvette is properly cleaned and in good condition.
3xERRE-Luciferase Plasmid
Catalog ID | Size | Pricing | |
---|---|---|---|
L-600-1 | 1 µg | $ 29.00 |
Description
The 3xERRE-luciferase plasmid is designed to study the activity of the Estrogen-Related Receptor (ERR) signaling pathway, specifically its role in transcriptional regulation. This plasmid contains three copies of the Estrogen-Related Receptor Response Element (ERRE), which is a DNA sequence recognized by the estrogen-related receptor (ERR) family of transcription factors. ERK/MAPK regulates ERRgamma expression, transcriptional activity, and receptor-mediated Tamoxifen resistance in ER+ breast cancer.
The 3xERRE-luciferase plasmid is a synthetic plasmid obtained from a third party and its sequence has been confirmed at GoldBio
4xCSL-Luciferase Plasmid
Catalog ID | Size | Pricing | |
---|---|---|---|
L-605-1 | 1 µg | $ 29.00 |
Description
The 4xCSL-luciferase plasmid is designed to study the Notch signaling pathway by monitoring the transcriptional activity of CSL (CBF1/Suppressor of Hairless/LAG-1), a key transcription factor in the Notch pathway.
Murine notch homologs (N1-4) undergo presenilin-dependent proteolysis.
The 4xCSL-luciferase plasmid is a synthetic plasmid obtained from a third party and its sequence has been confirmed at Goldbio.
AGL-1 (pSoup) Agrobacterium Chemically Competent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-116-5x50 | 5 x 50 μL | $ 195.00 | |
CC-116-10x50 | 10 x 50 μL | $ 346.00 | |
CC-116-15x50 | 15 x 50 μL | $ 463.00 |
Description
GoldBio’s AGL-1 (pSoup) chemically competent Agrobacterium cells are optimized for high transformation efficiencies, making them ideal for applications such as cDNA or gDNA library construction. These cells are resistant to rifampicin, carbenicillin, and streptomycin, providing versatility in selection and antibiotic resistance. The Ti plasmid pTiBo542DT-DNA has been engineered to have the T-DNA region deleted, which can be complemented with a binary vector containing the missing T-region to restore the T-DNA binary system function. This feature enables efficient and precise transformation of plant genomes.
The pSoup plasmid present in these cells is required for the replication of pGreen, 62SK, and pGs2 series plasmids, increasing the range of applications for the AGL-1 (pSoup) system. These competent cells are suitable for Agrobacterium-mediated transformation of dicots such as Arabidopsis thaliana, tobacco, potato, as well as monocots like corn, making them an ideal choice for plant molecular biology research.
Product Specifications
Competent cell type: Chemically Competent
Species: A. tumefaciens
Strain: AGL-1 (pSoup)
Transformation efficiency: ≥3 x 103 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
AGL-1 (pSoup) Agrobacterium Electrocompetent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-218-5x50 | 5 x 50 μL | $ 205.00 | |
CC-218-10x50 | 10 x 50 μL | $ 370.00 | |
CC-218-15x50 | 15 x 50 μL | $ 500.00 |
Description
AGL-1 (pSoup) electrocompetent Agrobacterium cells are a highly efficient system for genetic transformation in various plant species. This strain is derived from the C58 RecA-type Agrobacterium strain and carries the rifampicin, carbenicillin, and streptomycin resistance genes for selection purposes. The Ti plasmid pTiBo542DT-DNA used in this system has a deleted T-DNA region, and instead contains a binary vector that restores the T-DNA binary system function.
The presence of the pSoup helper plasmid is required for the replication of pGreen, 62SK, and pGs2 series plasmids, helping to enhance the Agrobacterium-mediated transformation of dicotyledonous plants like Arabidopsis thaliana, tobacco, and potato, as well as monocotyledonous plants such as corn.
Product Specifications
Competent cell type: ElectroCompetent
Species: A. tumefaciens
Strain: AGL-1
(pSoup)
Transformation efficiency: ≥2 x 108 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
AGL-1 (pSoup-P19) Agrobacterium Chemically Competent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-126-5x50 | 5 x 50 μL | $ 195.00 | |
CC-126-10x50 | 10 x 50 μL | $ 346.00 | |
CC-126-15x50 | 15 x 50 μL | $ 463.00 |
Description
GoldBio’s AGL-1 (pSoup-P19) chemically competent Agrobacterium cells are optimized for high transformation efficiencies, making them ideal for applications such as cDNA or gDNA library construction. These cells are resistant to rifampicin, carbenicillin, and streptomycin, providing versatility in selection and antibiotic resistance. The Ti plasmid pTiBo542DT-DNA has been engineered to have the T-DNA region deleted, which can be complemented with a binary vector containing the missing T-region to restore the T-DNA binary system function. This feature enables efficient and precise transformation of plant genomes.
The pSoup plasmid present in these cells is required for the replication of pGreen, 62SK, and pGs2 series plasmids. The p19 protein is derived from tomato bush dwarf virus and improves the stability of heterologous gene transcripts by inhibiting RNA silencing of foreign genes and increasing the range of applications for the AGL-1 (pSoup-P19) system. These competent cells are suitable for Agrobacterium-mediated transformation of dicots such as Arabidopsis thaliana, tobacco, potato, as well as monocots like corn, making them an ideal choice for plant molecular biology research.
Product Specifications
Competent cell type: Chemically Competent
Species: A. tumefaciens
Strain: AGL-1 (pSoup-P19)
Transformation efficiency: ≥2 x 103 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
AGL-1 (pSoup-P19) Agrobacterium Electrocompetent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-228-5x50 | 5 x 50 μL | $ 205.00 | |
CC-228-10x50 | 10 x 50 μL | $ 370.00 | |
CC-228-15x50 | 15 x 50 μL | $ 500.00 |
Description
AGL-1 (pSoup-P19) electrocompetent Agrobacterium cells are a highly efficient system for genetic transformation in various plant species. This strain is derived from the C58 RecA-type Agrobacterium strain and carries the rifampicin, carbenicillin, and streptomycin resistance genes for selection purposes. The Ti plasmid pTiBo542DT-DNA used in this system has a deleted T-DNA region, and instead contains a binary vector that restores the T-DNA binary system function.
The presence of the pSoup helper plasmid is required for the replication of pGreen, 62SK, and pGs2 series plasmids. The p19 protein is derived from tomato bush dwarf virus and further improves the stability of heterologous gene transcripts by inhibiting RNA silencing of foreign. These features help to enhance the Agrobacterium-mediated transformation of dicotyledonous plants like Arabidopsis thaliana, tobacco, and potato, as well as monocotyledonous plants such as corn.
Product Specifications
Competent cell type: ElectroCompetent
Species: A. tumefaciens
Strain: AGL-1
(pSoup-P19)
Transformation efficiency: ≥1 x 108 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
AGL-1 Agrobacterium Chemically Competent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-106-5x50 | 5 x 50 μL | $ 195.00 | |
CC-106-10x50 | 10 x 50 μL | $ 346.00 | |
CC-106-15x50 | 15 x 50 μL | $ 463.00 |
Description
GoldBio’s AGL-1 Agrobacterium chemically competent cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. Our AGL-1 strain harbors the C58 chromosomal backbone with an insertion mutation in its recA recombination gene. This mutation stabilizes recombinant plasmids. AGL-1 also has rifampicin and carbenicillin resistance genes in the genome useful for selection. A functional T-DNA binary system can be built using our AGL-1 strains as the T-DNA region has been deleted from the Ti plasmid pTiBO542 and instead it has a binary vector containing the missing T-region. The binary system makes possible to transfer genetic material into a host plant S genome. Therefore, our system is often used for Agrobacterium-mediated transformation in mono and dicotyledonous species such as Arabidopsis thaliana, maize, and other plants.
Product Specifications
Competent cell type: Chemical Competent
Species: A. tumefaciens
Strain: AGL-1
Transformation efficiency: ≥4 x 104 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
AGL-1 Agrobacterium Electrocompetent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-208-5x50 | 5 x 50 μL | $ 205.00 | |
CC-208-10x50 | 10 x 50 μL | $ 370.00 | |
CC-208-15x50 | 15 x 50 μL | $ 500.00 |
Description
GoldBio’s AGL-1 Agrobacterium Electrocompetent Cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. Our AGL-1 strain harbors the C58 chromosomal backbone with an insertion mutation in its recA recombination gene. This mutation stabilizes recombinant plasmids. AGL-1 also has rifampicin and carbenicillin resistance genes in the genome useful for selection. A functional T-DNA binary system can be built using our AGL-1 strains as the T-DNA region has been deleted in the Ti plasmid pTiBO542 and instead it has a binary vector containing the missing T-region. The binary system makes possible to transfer genetic material into a host plant’s genome. Therefore, our system is often used for Agrobacterium-mediated transformation in mono and dicotyledonous species such as Arabidopsis thaliana, maize, and other plants.
Product Specifications
Competent cell type: ElectroCompetent
Species: A. tumefaciens
Strain: AGL-1
Transformation efficiency: ≥5 x 107 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
AGL1 (pSuperAgro™ v4) Agrobacterium Chemically Competent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-524-5x50 | 5 x 50 μL | $ 209.00 | |
CC-524-10x50 | 10 x 50 μL | $ 376.00 | |
CC-524-15x50 | 15 x 50 μL | $ 508.00 |
Description
GoldBio’s AGL-1 Agrobacterium chemically competent cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. Our AGL-1 strain harbors the C58 chromosomal backbone with an insertion mutation in its recA recombination gene. This mutation stabilizes recombinant plasmids. AGL-1 also has rifampicin and carbenicillin resistance genes in the genome useful for selection. A functional T-DNA binary system can be built using our AGL-1 strains as the T-DNA region has been deleted from the Ti plasmid pTiBO542 and instead it has a binary vector containing the missing T-region. The binary system makes possible to transfer genetic material into a host plant S genome. Therefore, our system is often used for Agrobacterium-mediated transformation in mono and dicotyledonous species such as Arabidopsis thaliana, maize, and other plants.
pSuperAgro™ v4 was designed to include AcdS and GabT activity, driven by a single lac promotor, which both suppresses ethylene evolution and degrades gamma-aminobutyric acid (GABA) during co-cultivation. The combined suppression of ethylene and reduction of GABA significantly increases T-DNA transfer and increases transient and stable transformation frequencies in both tomato and grass plants.
These products are sold under license by GoldBio and require a signed agreement before fulfilment. The purchase of this product includes a 1-year subscription to use pSuperAgro™ in your research. See license details below in the technical documentation.
AGL1 (pSuperAgro™ v4) Agrobacterium Electrocompetent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-624-5x50 | 5 x 50 μL | $ 219.00 | |
CC-624-10x50 | 10 x 50 μL | $ 394.00 | |
CC-624-15x50 | 15 x 50 μL | $ 532.00 |
Description
GoldBio’s AGL-1 Agrobacterium Electrocompetent Cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. Our AGL-1 strain harbors the C58 chromosomal backbone with an insertion mutation in its recA recombination gene. This mutation stabilizes recombinant plasmids. AGL-1 also has rifampicin and carbenicillin resistance genes in the genome useful for selection. A functional T-DNA binary system can be built using our AGL-1 strains as the T-DNA region has been deleted in the Ti plasmid pTiBO542 and instead it has a binary vector containing the missing T-region. The binary system makes possible to transfer genetic material into a host plant’s genome. Therefore, our system is often used for Agrobacterium-mediated transformation in mono and dicotyledonous species such as Arabidopsis thaliana, maize, and other plants.
pSuperAgro™ v4 was designed to include AcdS and GabT activity, driven by a single lac promotor, which both suppresses ethylene evolution and degrades gamma-aminobutyric acid (GABA) during co-cultivation. The combined suppression of ethylene and reduction of GABA significantly increases T-DNA transfer and increases transient and stable transformation frequencies in both tomato and grass plants.These products are sold under license by GoldBio and require a signed agreement before fulfilment. The purchase of this product includes a 1-year subscription to use pSuperAgro™ in your research. See license details below in the technical documentation.
Auxo-Agro™ EHA105 Electrocompetent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-268-5x50 | 5 x 50 μL | $ 205.00 | |
CC-268-10x50 | 10 x 50 μL | $ 370.00 | |
CC-268-15x50 | 15 x 50 μL | $ 500.00 |
Description
GoldBio’s new Auxo-Agro™ competent cells are methionine auxotrophic strains of Agrobacterium which reduce overgrowth during the infection process while increasing plant transformation efficiency.
Our EHA105 strain of Agrobacterium tumefaciens can be used in genetic transformation of tomato, tobacco and other plants. After transformation, antibiotics are commonly used to remove Agrobacterium. However, even in the presence of antibiotics, there can be overgrowth of the Agrobacterium strain which can create a more difficult experimental protocol. Auxo-Agro™ cells help to solve this problem when selection is performed in both minimal media without Methionine in combination with selective antibiotics, such as Timentin, Cefotaxime or Meropenem.
GoldBio’s EHA105 Agrobacterium electrocompetent cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. Our EHA105 strain harbors a rifampicin resistance (rif) gene.
Product Specifications
Competent cell type: ElectroCompetent
Species: A. tumefaciens
Strain: EHA105∆Met
Format: Tubes
Transformation efficiency: ≥1.6 x 108 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
BL21 (DE3) Chemically Competent E. coli Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-103-5x50 | 5 x 50 μL | $ 61.00 | |
CC-103-10x50 | 10 x 50 μL | $ 109.00 | |
CC-103-15x50 | 15 x 50 μL | $ 144.00 | |
CC-103-20x50 | 20 x 50 μL | $ 170.00 |
Description
GoldBio’s BL21 (DE3) Chemically Competent E. coli cells are high efficiency cells, suitable for a wide variety of applications such as transformation and routine protein expression. BL21 (DE3) chemically competent cells feature a widely used host background, a T7 expression strain, and are deficient in both lon (1) and ompT proteases. In addition, BL21 (DE3) cells are resistant to phage T1 (fhuA2) and are B strain.
Product Specifications
Competent cell type: Chemically Competent
Derivative of: BL21 (DE3)
Species: E. coli
Transformation efficiency: ≥1 x 106 cfu/µg pUC19 DNA
Blue/white screening: Yes
BL21 (DE3) Electrocompetent E. coli Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-204-5x50 | 5 x 50 μL | $ 123.00 | |
CC-204-10x50 | 10 x 50 μL | $ 222.00 | |
CC-204-15x50 | 15 x 50 μL | $ 304.00 |
Description
GoldBio’s BL21 (DE3) Electrocompetent E. coli cells are suitable for high efficiency transformation and routine protein expression. Increased cloning efficiencies versus typical BL21 cells makes the BL21 (DE3) Electrocompetent E. coli cells ideal for construction of complex expression libraries and feature ≥1 x 108 cfu/µg efficiency with electroporation. BL21 (DE3) Electrocompetent E. coli cells have a widely used background, feature a T7 expression strain, are deficient in both lon (1) and ompT proteases. These cells are resistant to phage T1(fhuA2) and are B strain.
Product Specifications
Competent cell type: ElectroCompetent
Derivative of: BL21 (DE3)
Species: E. coli
Format: Tubes
Transformation efficiency: ≥1 x 108 cfu/µg pUC19 DNA
Blue/white screening: Yes
BL21 Chemically Competent E. coli Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-102-5x50 | 5 x 50 μL | $ 61.00 | |
CC-102-10x50 | 10 x 50 μL | $ 109.00 | |
CC-102-15x50 | 15 x 50 μL | $ 144.00 |
Description
GoldBio’s BL21 Chemically Competent E. coli cells are a good, universal strain of cell that is gives great transformation for protein expression and induction, and is especially useful for non-T7 vectors protein expression systems. BL21 chemically competent cells feature a widely used host background, and are deficient in both lon (1) and ompT proteases. In addition, BL21 Chemically Competent E. coli cells are resistant to phage T1 (fhuA2).
Product Specifications
Competent cell type: Chemically Competent
Derivative of: BL21
Species: E. coli
Format: Tubes
Transformation efficiency: ≥1 x 106 cfu/µg pUC19 DNA
Blue/white screening: Yes
C58C1 (pSuperAgro™ v4) Agrobacterium Chemically Competent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-554-5x50 | 5 x 50 μL | $ 209.00 | |
CC-554-10x50 | 10 x 50 μL | $ 376.00 | |
CC-554-15x50 | 15 x 50 μL | $ 508.00 |
Description
GoldBio’s C58C1 Chemically Competent Agrobacterium cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. C58C1 has the chromosomal backbone of C58 but it has been cured of the Ti plasmid pTiC58. Our C58C1 strain harbors streptomycin and rifampicin resistance genes. C58C1 Competent cells are optimized for genetic transformation of plants such as Arabidopsis but can be used in many other plants.
pSuperAgro™ v4 was designed to include AcdS and GabT activity, driven by a single lac promotor, which both suppresses ethylene evolution and degrades gamma-aminobutyric acid (GABA) during co-cultivation. The combined suppression of ethylene and reduction of GABA significantly increases T-DNA transfer and increases transient and stable transformation frequencies in both tomato and grass plants.
These products are sold under license by GoldBio and require a signed agreement before fulfilment. The purchase of this product includes a 1-year subscription to use pSuperAgro™ in your research. See license details below in the technical documentation.
C58C1 (pSuperAgro™ v4) Agrobacterium Electrocompetent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-654-5x50 | 5 x 50 μL | $ 219.00 | |
CC-654-10x50 | 10 x 50 μL | $ 394.00 | |
CC-654-15x50 | 15 x 50 μL | $ 532.00 |
Description
GoldBio’s C58C1 ElectroCompetent Agrobacterium cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. C58C1 has the chromosomal backbone of C58 but it has been cured of the Ti plasmid pTiC58. Our C58C1 strain harbors streptomycin and rifampicin resistance genes. C58C1 Competent cells are optimized for genetic transformation of plants such as Arabidopsis but can be used in many other plants.
pSuperAgro™ v4 was designed to include AcdS and GabT activity, driven by a single lac promotor, which both suppresses ethylene evolution and degrades gamma-aminobutyric acid (GABA) during co-cultivation. The combined suppression of ethylene and reduction of GABA significantly increases T-DNA transfer and increases transient and stable transformation frequencies in both tomato and grass plants.
These products are sold under license by GoldBio and require a signed agreement before fulfilment. The purchase of this product includes a 1-year subscription to use pSuperAgro™ in your research. See license details below in the technical documentation.
C58C1 Agrobacterium Chemically Competent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-109-5x50 | 5 x 50 μL | $ 195.00 | |
CC-109-10x50 | 10 x 50 μL | $ 346.00 | |
CC-109-15x50 | 15 x 50 μL | $ 463.00 |
Description
GoldBio’s C58C1 Chemically Competent Agrobacterium cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. C58C1 has the chromosomal backbone of C58 but it has been cured of the Ti plasmid pTiC58. Our C58C1 strain harbors streptomycin and rifampicin resistance genes. C58C1 Competent cells are optimized for genetic transformation of plants such as Arabidopsis but can be used in many other plants.
Product Specifications
Competent cell type: Chemical Competent
Species: A. tumefaciens
Strain: C58C1
Transformation efficiency: ≥1 x 105 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
C58C1 Agrobacterium Electrocompetent Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-240-5x50 | 5 x 50 μL | $ 205.00 | |
CC-240-10x50 | 10 x 50 μL | $ 370.00 | |
CC-240-15x50 | 15 x 50 μL | $ 500.00 |
Description
GoldBio’s C58C1 Electrocompetent Agrobacterium cells allow you to obtain high transformation efficiency in applications such as gDNA or cDNA library construction. C58C1 has the chromosomal backbone of C58 but it has been cured of the Ti plasmid pTiC58. Our C58C1 strain harbors streptomycin and rifampicin resistance genes. C58C1 Competent cells are optimized for genetic transformation of plants such as Arabidopsis but can be used in many other plants.
Product Specifications
Competent cell type: Electrocompetent
Species: A. tumefaciens
Strain: C58C1
Transformation efficiency: ≥1 x 107 cfu/µg pCAMBIA1391z DNA
Blue/white screening: No
Competent Cell Recovery Medium
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-300-A | 6 x 12 ml | $ 83.00 |
Description
GoldBio’s Universal Competent Cell Recovery Medium is specifically formulated for optimal competent cell transformations of every kind of cell, including E. coli and Agrobacterium.
DL39 (DE3) Chemically Competent E. coli Cells
Catalog ID | Size | Pricing | |
---|---|---|---|
CC-104-5x50 | 5 x 50 μL | $ 61.00 | |
CC-104-10x50 | 10 x 50 μL | $ 109.00 |
Description
GoldBio’s DL39 (DE3) Chemically Competent E. coli cells are engineered with a T7 expression system to transform and express proteins in order to label residues such as phenylalanine or leucine. DL39 (DE3) Chemically Competent E. coli cells are deficient in the aromatic (TyrB), branched-chain (JIvE), and aspartate (AspC) transaminases and are auxotrophic for aspartic acid, isoleucine, leucine, phenylananine, tyrosine, and valine residues.
Product Specifications
Competent cell type: Chemically Competent
Derivative of: DL39
Species: E. coli
Transformation efficiency: ≥1 x 107 cfu/µg pUC19 DNA
Blue/white screening: Yes