69449

BL21 Competent Cells - Novagen

Escherichia coli, rod shaped

• Synonym(s): BL21 cell line, Novagen competent cells
• UNSPSC Code: 41106202
• NACRES: NA.81

Properties

• product name: BL21 Competent Cells - Novagen, BL21 host strain is the most widely used host background and has the advantage of being deficient in both lon and ompT proteases.
• biological source: Escherichia coli
• Quality Level: 100
• manufacturer/tradename: Novagen^®
• storage condition: OK to freeze; avoid repeated freeze/thaw cycles
• growth mode: adherent or suspension
• morphology: rod shaped
• technique(s): microbiological culture: suitable
• cell transformation: transformation efficiency: >2×10⁷ cfu/μg
• shipped in: dry ice
• storage temp.: −70°C

Description

General description

BL21 host strain is the most widely used host background and has the advantage of being deficient in both lon and ompT proteases.

BL21 is the most widely used host background and has the advantage of being deficient in both lon (1) and ompT proteases.

This product contains genetically modified organisms (GMO). Within the EU GMOs are regulated by Directives 2001/18/EC and 2009/41/EC of the European Parliament and of the Council and their national implementation in the member States respectively. This legislation obliges us to request certain information about you and the establishment where the GMOs are being handled. Click here for Enduser Declaration (EUD) Form.

Components

0.4 ml1 mlComponent

•2 × 0.2 ml5 × 0.2 mlBL21 Competent Cells

•2 × 2 ml4 × 2 mlSOC Medium

•10 µl10 µlTest Plasmid

Warning

Toxicity: Multiple Toxicity Values, refer to MSDS (O)

Other Notes

1. Phillips, T. A., Van Bogelen, R. A., and Neidhardt, F. C. (1984) J. Bacteriol.
159, 283–287.

Legal Information

NOVAGEN is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 2