Size (kb): 9.1999998092651370
Vector: pIC551 (plasmid)
Promoters: Promoter lambda PR
Construction: pIC442, pD129
Construct size (kb): 9.199999809265137
Features: marker(s): ampR
other: SMURFT linker
promoter: lambda PR
reporter group: galK::lacZ
ribosome-binding site: galK
Restriction digests of the clone give the following sizes (kb): EcoRI--9.2; AccI--5.8, 3.5; EcoRV--7.8, 1.35; SphI--5.6, 3.6; EcoRI/BamHI--8.2, 1.0; EcoRI/SmaI--8.6, 0.64.
The omega interposon terminates transcription in both directions.
Transcriptional fusions constructed with this vector can be moved to the bacterial chromosome by using the transducing phage lambdaRZ5. This reduces problems inherent with multicopy plasmid systems like gene-dosage and titration effects.
Terminator probe vector based on transcriptional fusion to lacZ. Translation of beta-galactosidase should be proportional to transcription because of the galK translational start signals in the plasmid.
Macian F, et al. An improved vector system for constructing transcriptional lacZ fusions: analysis of regulation of the dnaA, dnaN, recF and gyrB genes of Escherichia coli. Gene 145: 17-24, 1994. PubMed: 8045420