SS320 Competent Cells for Phage display library screening | Chemically competent
High-efficiency Chemically competent E. coli cells optimized for Phage display, Phage library amplification, Library screening, Antibody phage display, M13 phage propagation with transformation efficiency ≥1 × 10^9 CFU/µg pBR322.
Available Sizes
What are SS320 Competent Cells?
SS320 competent cells are optimized E. coli host cells developed for high-efficiency Phage display library screening workflows including Phage display, Phage library amplification, Library screening, Antibody phage display, M13 phage propagation. These cells support reliable plasmid uptake, stable propagation, and reproducible transformation performance for molecular biology and protein engineering applications.
Why Choose This Strain?
- Transformation efficiency: ≥1 × 10^9 CFU/µg pBR322
- High efficiency
- Supports plasmids up to Phagemid-compatible; maximum plasmid size not specified in manual
- Stability: Non-amber suppressor strain with F′ episome required for bacteriophage entry
Key Features
- Strain: SS320
- Format: 10 × 0.1 mL/tube (20 reactions)
- Cell type: Chemically competent
- Insert compatibility: Phage display inserts and phagemid-compatible inserts
- Optimized for Phage display library screening
Applications
- Phage display
- Phage library amplification
- Library screening
- Antibody phage display
- M13 phage propagation
Workflow Compatibility
- Large phage display library amplification
- F-pilus-mediated bacteriophage entry
- Non-amber suppressor phage display workflows
- Tetracycline-maintained F′ episome workflows
Specifications
| Genotype | hsdR mcrB araD139 Δ(araABC-leu)7679 ΔlacX74 galU galK rpsL thi [F´proAB+ lacIq lacZΔM15 Tn10(tetR)] |
|---|---|
| Antibiotic Resistance | Tetracycline, Depends on phagemid/vector |
| Growth Conditions | Grow in tetracycline-containing medium to maintain F′ pilus; SOC recovery recommended |
| Plasmid Types | M13 vectors, Phagemids, Phage display libraries, pBR322 |
| Recombination Notes | F′ episome contains tetracycline resistance; tetracycline selection helps maintain F′ pilus |
| Max Plasmid Size | Phagemid-compatible; maximum plasmid size not specified in manual |
Detailed Specifications
| Stability Type | Non-amber suppressor strain with F′ episome required for bacteriophage entry |
|---|---|
| Insert Size Compatibility | Phage display inserts and phagemid-compatible inserts |
| Format | 10 × 0.1 mL/tube (20 reactions) |
Handling & Protocol
| Transformation Method | Heat shock |
|---|---|
| Protocol Time | ~2 hours to plating, plus overnight incubation |
| Recovery Time | 1 hour at 37°C in SOC |
| Storage Conditions | -80°C |
| Shipping Conditions | Dry ice |
| Shelf Life | ~6 - 12 months at -80°C (typical competent cell stability) |
Industry Comparison
Comparable to industry-standard SS320 chemically competent phage display strains for Phage display library screening workflows.
Equivalent to industry-standard SS320 strains used for phage display library screening and amplification, with F′ pilus support for bacteriophage entry and tetracycline-selectable episome maintenance.
Any third-party trademarks are the property of their respective owners. Reference is provided solely to indicate compatibility or comparable application and does not imply affiliation, endorsement, or sponsorship.
Quality Control
- Transformation efficiency validated with control plasmid
- Genotype verified
- Contamination-free
- CoA provided
Key Advantages
- Optimized for phage display library screening
- Non-amber suppressor SS320/MC1061F′-style strain
- F′ pilus supports bacteriophage entry and phage library amplification
- Tetracycline selection helps maintain F′ episome
- High transformation efficiency for chemically competent phage display workflows
Why Researchers Choose Amid Biosciences Competent Cells
- High transformation efficiency for reliable cloning workflows
- Optimized strains for phage display, mutagenesis, and protein engineering
- Stringent quality control testing
- Fast shipping and scientific support
- Research-use-only products manufactured for reproducibility
Related Products
- SS320 Competent Cells for Large Phage Display Libraries
- TG1 Competent Cells for Antibody Phage Display
- DH5α Competent Cells for Routine Cloning
Research Use Only. Not for diagnostic or therapeutic use.