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69454

Sigma-Aldrich

HMS174(DE3)pLysS Competent Cells - Novagen

HMS174 strains provide high transformation efficiencies and the recA mutation in a K-12 background. T7 lysozyme expression suppresses basal T7 expression.

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About This Item

分類程式碼代碼:
41106202

生物源

Escherichia coli

品質等級

製造商/商標名

Novagen®

儲存條件

OK to freeze
avoid repeated freeze/thaw cycles

增長模式

adherent or suspension

形態學

rod shaped

技術

microbiological culture: suitable

細胞轉化

transformation efficiency: >5×106 cfu/μg

運輸包裝

dry ice

儲存溫度

−70°C

一般說明

Genotype: F-recA1 hsdR(rK12- mK12+) (DE3) pLysS (CamR, Rif R)





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.
HMS174 strains provide the recA mutation in aK-12 background. Like BLR, these strains maystabilize certain target genes whose productsmay cause the loss of the DE3 prophage.

DE3 indicates that the host is a lysogen of λDE3, and therefore carries a chromosomal copy of the T7 RNA polymerase gene under control of the lacUV5 promoter. Such strains are suitable for production of protein from target genes cloned in pET vectors by induction with IPTG.

pLysS strains express T7 lysozyme, which further suppresses basal expression of T7 RNA polymerase prior to induction, thus stabilizing pET recombinants encoding target proteins that affect cell growth and viability.
HMS174 strains provide high transformation efficiencies and the recA mutation in a K-12 background. T7 lysozyme expression suppresses basal T7 expression.

成分

0.4 ml1 mlComponent

•2 × 0.2 ml5 × 0.2 mlHMS174(DE3)pLysS Competent Cells

•2 × 2 ml4 × 2 mlSOC Medium

•2 ng2 ngTest Plasmid

警告

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

法律資訊

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

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 2


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