pGEX-3X

pGEX-3X

Search name

pGEX-3X,Plasmid pGEX-3X,pGEX-3X vector

pGEX-3X Multiple cloning site

pGEX-3X Informaiton

Promoter: Tac/lac

Replicon: ColE1 ori

Plasmid classification: Escherichia coli vector; pGEX series expression plasmid

Plasmid size: 4952bp

Plasmid tagging: N-GST, N-Factor Xa

Prokaryotic resistance: ampicillin Amp

Clonal strain: DH5 alpha

Culture conditions: 37 C, aerobic, LB

Expression host: Escherichia coli

Culture conditions: 37 C, aerobic, LB

Induction: IPTG or lactose and its analogues.

5'sequencing primers: pGEX5: GGGCTGGCAAGCCACGTTTGGTG

3'sequencing primers: pGEX3: CCGGGAGCTGCATGTGTCAGAGG

Remarks: the recombinant protein can be purified by GST affinity column.

pGEX-3X Sequence

LOCUS       Exported File           4952 bp ds-DNA    circular SYN 12-4-2015
DEFINITION  .
ACCESSION   .
VERSION     .
KEYWORDS    pGEX-3X
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4952)
  AUTHORS   .
  TITLE     Direct Submission
  JOURNAL   Exported 2015-4-12  
FEATURES             Location/Qualifiers
     source          1..4952
                     /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             921..932
                     /codon_start=1
                     /product="Factor Xa recognition and cleavage site"
                     /note="Factor Xa site"
                     /translation="IEGR"
     promoter        1255..1359
                     /gene="bla"
                     /note="AmpR promoter"
     CDS             1360..2220
                     /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      2391..2979
                     /direction=RIGHT
                     /note="ori"
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
                     replication"
     promoter        3223..3300
                     /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             3301..4383
                     /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    4396..4417
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding site"
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     promoter        4432..4462
                     /note="lac promoter"
                     /note="promoter for the E. coli lac operon"
     protein_bind    4470..4486
                     /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     4494..4510
                     /note="M13 rev"
                     /note="common sequencing prim  <