pGEX-4T-3

pGEX-4T-3

Search name

pGEX-4T-3,Plasmid pGEX-4T-3,pGEX-4T-3 vector

pGEX-4T-3 Informaiton

Promoter: Tac/lac

Replicon: ColE1 ori

Plasmid classification: Escherichia coli vector; PGEX series expression plasmid

Plasmid size: 4968bp

Plasmid label: N-GST, N-thrombin

Prokaryotic resistance: ampicillin Amp

Cloned strain: DH5 alpha

Culture conditions: 37 centigrade, aerobic, LB

Expression host: Escherichia coli

Culture conditions: 37 centigrade, aerobic, LB

Inducement: IPTG or lactose and its analogues

5'sequencing primers: pGEX5: GGGCTGGCAAGCCACGTTTGGTG

3'sequencing primers: pGEX3: CCGGGAGCTGCATGTGTCAGAGG

Note: the recombinant protein can be purified by GST affinity column

pGEX-4T-3 Description

pGEX-4T-3 Sequence

LOCUS       Exported File           4968 bp ds-DNA    circular SYN 28-1-2015
DEFINITION  .
ACCESSION   .
VERSION     .
KEYWORDS    pGEX4T-3
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4968)
  AUTHORS   .
  TITLE     Direct Submission
  JOURNAL   Exported 2015-1-28 from SnapGene 2.0.1
            
FEATURES             Location/Qualifiers
     source          1..4968
                     /organism="synthetic DNA construct"
                     /mol_type="other DNA"
     misc_feature    183..211
                     /note="tac promoter"
                     /note="strong E. coli promoter; hybrid between the trp and
                     lac?UV5 promoters"
     protein_bind    219..235
                     /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)."
     CDS             258..911
                     /codon_start=1
                     /gene="
                     "
                     /product="glutathione S-transferase from Schistosoma
                     japonicum"
                     /note="GST"
                     /translation="MSPILGYWKIKGLVQPTRLLLEYLEEKYEEHLYERDEGDKWRNKK
                     FELGLEFPNLPYYIDGDVKLTQSMAIIRYIADKHNMLGGCPKERAEISMLEGAVLDIRY
                     GVSRIAYSKDFETLKVDFLSKLPEMLKMFEDRLCHKTYLNGDHVTHPDFMLYDALDVVL
                     YMDPMCLDAFPKLVCFKKRIEAIPQIDKYLKSSKYIAWPLQGWQATFGGGDHPPK"
     CDS             918..935
                     /codon_start=1
                     /product="thrombin recognition and cleavage site"
                     /note="thrombin site"
                     /translation="LVPRGS"
     promoter        1271..1375
                     /gene="bla"
                     /note="AmpR promoter"
     CDS             1376..2236
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /note="AmpR"
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     rep_origin      2407..2995
                     /direction=RIGHT
                     /note="ori"
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
                     replication"
     promoter        3239..3316
                     /gene="lacI (mutant)"
                     /note="lacIq promoter"
                     /note="In the lacIq allele, a single base change in the
                     promoter boosts expression of the lacI gene about 10-fold."
     CDS             3317..4399
                     /codon_start=1
                     /gene="lacI"
                     /product="lac repressor"
                     /note="lacI"
                     /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)."
                     /translation="MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAEL
                     NYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGV
                     EACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSH
                     EDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSA
                     MSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSC
                     YIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR
                     ALADSLMQLARQVSRLESGQ"
     protein_bind    4412..4433
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding site"
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     promoter        4448..4478
                     /note="lac promoter"
                     /note="promoter for the E. coli lac operon"
     protein_bind    4486..4502
                     /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)."
     primer_bind     4510..4526
                     /note="M13 rev"