pET-25b

pET-25b

Search name

pET-25b,Plasmid pET-25b,pET-25b vector

pET-25b information

Promoter: T7/lac
Replicator: ColE1 ori, F1 ori
Terminator: T7 Terminator
Plasmid classification: Escherichia coli plasmids; large intestine expression plasmids; pET series plasmids
Plasmid size: 5547bp
Plasmid Tags: N-pelB, C-HSV, C-6 x His
Prokaryotic resistance: ampicillin Amp (100 u g/ml)
Cloned strains of Escherichia coli, DH5 A and other Escherichia coli
Culture conditions: 37 centigrade, aerobic, LB
Expression of host: BL21 (DE3) and other Escherichia coli
Culture conditions: 37 centigrade, aerobic, LB
Inducement: IPTG or lactose and its analogues
5'sequencing primers: T7 (TAATACGACTCACTATAGGG)
3'sequencing primers: T7-ter (TGCTAGTTATTGCTCAGCGG)
Remarks: secretory expression
Use:pET Plasmid

pET-25b Sequence

LOCUS       Exported                5547 bp ds-DNA     circular UNA 15-JUN-2017
DEFINITION  natural circular DNA
KEYWORDS    pET-25b
SOURCE      natural DNA sequence
  ORGANISM  unspecified
REFERENCE   1  (bases 1 to 5547)
  TITLE     Direct Submission
  JOURNAL   Exported Thursday, June 15, 2017 
            
FEATURES             Location/Qualifiers
     source          1..5547
                     /organism="unspecified"
                     /mol_type="genomic DNA"
     rep_origin      12..467
                     /direction=RIGHT
                     /note="f1 ori"
                     /note="f1 bacteriophage origin of replication; arrow
                     indicates direction of (+) strand synthesis"
     promoter        494..598
                     /gene="bla"
                     /note="AmpR promoter"
     CDS             599..1459
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /note="AmpR"
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     rep_origin      1630..2218
                     /direction=RIGHT
                     /note="ori"
                     /note="high-copy-number colE1/pMB1/pBR322/pUC origin of
                     replication"
     CDS             complement(2648..2839)
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein"
                     /note="rop"
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     CDS             complement(3648..4730)
                     /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"
     promoter        complement(4731..4808)
                     /gene="lacI"
                     /note="lacI promoter"
     promoter        5117..5135
                     /note="T7 promoter"
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    5136..5160
                     /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             5205..5270
                     /codon_start=1
                     /gene="pelB (fragment)"
                     /product="leader peptide for secretion"
                     /note="pelB signal sequence"
                     /translation="MKYLLPTAAAGLLLLAAQPAMA"
     CDS             5352..5384
                     /codon_start=1
                     /product="HSV (herpes simplex virus) epitope tag"
                     /note="HSV tag"
                     /translation="QPELAPEDPED"
     CDS             5391..5408
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /note="6xHis"
                     /translation="HHHHHH"
     terminator      5475..5522
                     /note="T7 terminator"
                     /note="transcription terminator for bacteriophage T7 RNA
                     polymerase"
ORIGIN
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