Basic Vector Information
- Vector Name:
- pQE-81L-Kan
- Antibiotic Resistance:
- Chloramphenicol
- Length:
- 4543 bp
- Type:
- Qiagen Vectors
- Replication origin:
- ori
- Source/Author:
- Qiagen
- Copy Number:
- High copy number
pQE-81L-Kan vector Map
pQE-81L-Kan vector Sequence
LOCUS pQE-81L-Kan. 4543 bp DNA circular SYN 01-JAN-1980 DEFINITION Bacterial lacIq vector with a kanamycin resistance marker for expressing N-terminally 6xHis-tagged proteins. For other reading frames, use pQE-80L-Kan or pQE-82L-Kan. ACCESSION . VERSION . KEYWORDS pQE-81L-Kan SOURCE synthetic DNA construct ORGANISM synthetic DNA construct REFERENCE 1 (bases 1 to 4543) AUTHORS Qiagen TITLE Direct Submission REFERENCE 2 (bases 1 to 4543) AUTHORS . TITLE Direct Submission COMMENT SGRef: number: 1; type: "Journal Article" COMMENT Because this vector contains the lacIq gene, the pREP4 plasmid is not needed. FEATURES Location/Qualifiers source 1..4543 /mol_type="other DNA" /organism="synthetic DNA construct" promoter 10..54 /label=T5 promoter /note="bacteriophage T5 promoter for E. coli RNA polymerase, with embedded lac operator" protein_bind 62..78 /label=lac repressor encoded by lacI binding site /bound_moiety="lac repressor encoded by lacI" /note="lac operator" /note="The lac repressor binds to the lac operator to inhibit transcription in E. coli. This inhibition can be relieved by adding lactose or isopropyl-beta-D-thiogalactopyranoside (IPTG)." RBS 101..106 /note="ribosome binding site" CDS 115..117 /codon_start=1 /product="start codon" /label=start codon /note="ATG" /translation="M" CDS 127..144 /label=6xHis /note="6xHis affinity tag" misc_feature 147..194 /label=MCS /note="MCS" /note="multiple cloning site" misc_feature 194..204 /label=stop codons /note="stop codons" /note="stop codons in all three reading frames" terminator 210..304 /label=lambda t0 terminator /note="transcription terminator from phage lambda" CDS 348..1004 /label=CmR /note="chloramphenicol acetyltransferase" terminator 1072..1158 /label=rrnB T1 terminator /note="transcription terminator T1 from the E. coli rrnB gene" protein_bind complement(1217..1238) /label=CAP binding site /note="CAP binding activates transcription in the presence of cAMP." CDS complement(1254..2333) /label=lacI /note="lac repressor" promoter complement(2334..2411) /label=lacIq promoter /note="In the lacIq allele, a single base change in the promoter boosts expression of the lacI gene about 10-fold." misc_feature 2603..2743 /label=bom /note="basis of mobility region from pBR322" rep_origin complement(2929..3517) /direction=LEFT /label=ori /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of replication" CDS complement(3627..4439) /label=KanR /note="aminoglycoside phosphotransferase"
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