pQE- 22 Plasmid

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  • Model: PVT0518
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pQE-22

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pQE-22,Plasmid pQE-22,pQE-22 vector

 

pQE-22 Information

Promoter: T5

Replicon: ColE1 ori

Terminator: Lambda t0 terminator; rrnB T1

Classification of plasmids: E. coli vectors; pQE series expression plasmids

Plasmid size: 3998bp

Prokaryotic resistance: ampicillin Amp

Cloned strain: DH5 alpha

Culture conditions: 37 centigrade, aerobic, LB

Expression host: M15

Culture conditions: 37 centigrade, aerobic, LB

Inducement: IPTG or lactose and its analogues

5'sequencing primers: pQE30-F: AGCGGATAACAATTTCACACAG

3'sequencing primers: pQE30-R: TTCTGAGGTCATTACTGGATC

 

pQE-22 Multiple cloning site

pQE-22-vector

pQE-22 Sequence

LOCUS       Exported                3998 bp ds-DNA     circular SYN 05-DEC-2013
DEFINITION  Bacterial vector for expressing DHFR fusion proteins with a
            C-terminal 6xHis tag. Similar to pQE-16 and pQE-19, but with a
            different reading frame after the DHFR.
ACCESSION   .
VERSION     .
KEYWORDS    pQE-22
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 3998)
  AUTHORS   Qiagen
  TITLE     Direct Submission
  JOURNAL   Exported Wednesday, September 14, 2016 from SnapGene Viewer 3.1.4
         
COMMENT     Discontinued pQE vector.
FEATURES             Location/Qualifiers
     source          1..3998
                     /organism="synthetic DNA construct"
                     /lab_host="Escherichia coli"
                     /mol_type="other DNA"
     promoter        10..54
                     /note="T5 promoter"
                     /note="bacteriophage T5 promoter for E. coli RNA
                     polymerase, with embedded lac operator"
     protein_bind    30..46
                     /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)."
     protein_bind    62..78
                     /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"
                     /note="ATG"
                     /translation="M"
     CDS             133..690
                     /codon_start=1
                     /gene="Mus musculus Dhfr"
                     /product="mouse dihydrofolate reductase"
                     /note="DHFR"
                     /translation="MVRPLNSIVAVSQNMGIGKNGDLPWPPLRNEFKYFQRMTTTSSVE
                     GKQNLVIMGRKTWFSIPEKNRPLKDRINIVLSRELKEPPRGAHFLAKSLDDALRLIEQP
                     ELASKVDMVWIVGGSSVYQEAMNQPGHLRLFVTRIMQEFESDTFFPEIDLGKYKLLPEY
                     PGVLSEVQEEKGIKYKFEVYEKK"
     CDS             704..721
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /note="6xHis"
                     /translation="HHHHHH"
     misc_feature    728..738
                     /note="stop codons"
                     /note="stop codons in all three reading frames"
     terminator      744..838
                     /note="lambda t0 terminator"
                     /note="transcription terminator from phage lambda"
     CDS             882..1541
                     /codon_start=1
                     /gene="cat"
                     /product="chloramphenicol acetyltransferase"
                     /note="CmR"
                     /note="confers resistance to chloramphenicol"
                     /translation="MEKKITGYTTVDISQWHRKEHFEAFQSVAQCTYNQTVQLDITAFL
                     KTVKKNKHKFYPAFIHILARLMNAHPEFRMAMKDGELVIWDSVHPCYTVFHEQTETFSS
                     LWSEYHDDFRQFLHIYSQDVACYGENLAYFPKGFIENMFFVSANPWVSFTSFDLNVANM
                     DNFFAPVFTMGKYYTQGDKVLMPLAIQVHHAVCDGFHVGRMLNELQQYCDEWQGGA"
     terminator      1606..1692
                     /gene="Escherichia coli rrnB"
                     /note="rrnB T1 terminator"
                     /note="transcription terminator T1 from the E. coli rrnB
                     gene"
     rep_origin      complement(2174..2762)
                     /direction=LEFT
                     /note="ori"
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
                     replication"
     CDS             complement(2933..3793)
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /note="AmpR"
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQAAMDERNRQIAEIGAS
                     LIKHW"

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