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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