pPW121 (ATCC® 87444)

Applications: vector permitting positive selection for inserts  /  Depositors: F Puta

Permits and Restrictions

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Designations pPW121
Depositors F Puta
Biosafety Level 1

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Vector Information
Size (kb): 4.3860001564025880
Vector: pPW121 (plasmid)
Promoters: Promoter lambda PR
Construction: pUN121
Construct size (kb): 4.386000156402588
Features: marker(s): ampR
marker(s): tetR
operator: lac
promoter: lambda PR
replicon: pMB1
repressor gene: cI
vector permitting positive selection for inserts
Restriction digests of the clone give the following sizes (kb): EcoRI--4.3; HindIII--4.3; BamHI--4.3.
Postive selection cloning vector which confers tetR (recommended concentration 10 ug/ml) only when an insert has been successfully cloned into the cI repressor gene.
Plasmid was derived from pUN121 by introduction of a BglII site into the cI gene. Plasmid pUN121 was derived from pTR262 by addition of EcoRI and SmaI/XmaI sites in the cI gene.
Media ATCC® Medium 1227: LB Medium (ATCC medium 1065) with 50 mcg/ml ampicillin
Growth Conditions
Temperature: 37.0°C

Puta F, Wambutt R. Construction of a new Escherichia coli-Saccharomyces cerevisiae shuttle plasmid cloning vector allowing positive selection for cloned fragments. Folia Microbiol. 37: 193-198, 1992. PubMed: 1505881

Nilsson B, et al. An improved positive selection plasmid vector constructed by oligonucleotide mediated mutagenesis. Nucleic Acids Res. 11: 8019-8030, 1983. PubMed: 6316281

Frantisek Puta, personal communication

Shipped freeze-dried
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