pTrcHis-TOPO (linearized)

Linearized bacterial vector with 3'-T overhangs and bound topoisomerase, for TOPO® TA cloning and inducible expression of N-terminally 6xHis-tagged proteins.

Sequence Author: Thermo Fisher (Invitrogen)

|Download SnapGene Viewer
Explore Over 2.7k Plasmids: TOPO Cloning Vectors | More Plasmid Sets
No matches
PluTI (3745) SfoI (3743) NarI * (3742) KasI (3741) HpaI (3608) EcoRV (3552) ApaI - BanII (3313) PspOMI (3309) BstEII (3283) BclI * (3116) MluI (3102) PflMI (2684) NsiI (2665) SphI (2663) MauBI (2641) PfoI (2573) PflFI - Tth111I (2474) BsaAI (2468) BstZ17I (2449) AccI (2448) NdeI (2397) BspQI - SapI (2335) PciI (2218) AlwNI (1809) BfuAI - BspMI (3945) trc promoter lac operator gene 10 translational enhancer minicistron BtgI - NcoI - StyI (4284) ATG NheI (4322) BmtI (4326) T7 tag (gene 10 leader) Xpress™ tag BsaBI * (4377) BamHI (4378) End (4390) Start (1) EcoRI (7) BstBI (16) HindIII (19) rrnB T1 terminator rrnB T2 terminator ScaI (849) PvuI (961) FspI (1107) BglI (1212) AhdI (1330) pTrcHis-TOPO® 4389 bp
PluTI  (3745)
1 site
G G C G C C C C G C G G

Efficient cleavage requires at least two copies of the PluTI recognition sequence.
SfoI  (3743)
1 site
G G C G C C C C G C G G
NarI  (3742)
1 site
G G C G C C C C G C G G
* Blocked by Dcm methylation.
Efficient cleavage requires at least two copies of the NarI recognition sequence.
KasI  (3741)
1 site
G G C G C C C C G C G G
HpaI  (3608)
1 site
G T T A A C C A A T T G
EcoRV  (3552)
1 site
G A T A T C C T A T A G

EcoRV is reportedly more prone than its isoschizomer Eco32I to delete a base after cleavage.
ApaI  (3313)
1 site
G G G C C C C C C G G G

ApaI can be used between 25°C and 37°C.
BanII  (3313)
1 site
G R G C Y C C Y C G R G

Sticky ends from different BanII sites may not be compatible.
PspOMI  (3309)
1 site
G G G C C C C C C G G G
BstEII  (3283)
1 site
G G T N A C C C C A N T G G

Sticky ends from different BstEII sites may not be compatible.
BstEII is typically used at 60°C, but is 50% active at 37°C.
BclI  (3116)
1 site
T G A T C A A C T A G T
* Blocked by Dam methylation.
BclI is typically used at 50-55°C, but is 50% active at 37°C.
MluI  (3102)
1 site
A C G C G T T G C G C A
PflMI  (2684)
1 site
C C A N N N N N T G G G G T N N N N N A C C

Sticky ends from different PflMI sites may not be compatible.
NsiI  (2665)
1 site
A T G C A T T A C G T A
SphI  (2663)
1 site
G C A T G C C G T A C G
MauBI  (2641)
1 site
C G C G C G C G G C G C G C G C
PfoI  (2573)
1 site
T C C N G G A A G G N C C T

Sticky ends from different PfoI sites may not be compatible.
PflFI  (2474)
1 site
G A C N N N G T C C T G N N N C A G

The 1-base overhangs produced by PflFI may be hard to ligate.
Sticky ends from different PflFI sites may not be compatible.
Tth111I  (2474)
1 site
G A C N N N G T C C T G N N N C A G

The 1-base overhangs produced by Tth111I may be hard to ligate.
Sticky ends from different Tth111I sites may not be compatible.
BsaAI  (2468)
1 site
Y A C G T R R T G C A Y
BstZ17I  (2449)
1 site
G T A T A C C A T A T G
AccI  (2448)
1 site
G T M K A C C A K M T G

Efficient cleavage with AccI requires ≥13 bp on each side of the recognition sequence.
Sticky ends from different AccI sites may not be compatible.
NdeI  (2397)
1 site
C A T A T G G T A T A C

Prolonged incubation with NdeI may lead to removal of additional nucleotides.
BspQI  (2335)
1 site
G C T C T T C N C G A G A A G N N N N

Sticky ends from different BspQI sites may not be compatible.
SapI  (2335)
1 site
G C T C T T C N C G A G A A G N N N N

Sticky ends from different SapI sites may not be compatible.
SapI gradually settles in solution, so a tube of SapI should be mixed before removing an aliquot.
PciI  (2218)
1 site
A C A T G T T G T A C A

PciI is inhibited by nonionic detergents.
AlwNI  (1809)
1 site
C A G N N N C T G G T C N N N G A C

Sticky ends from different AlwNI sites may not be compatible.
BfuAI  (3945)
1 site
A C C T G C ( N ) 4 T G G A C G ( N ) 4 ( N ) 4

Efficient cleavage requires at least two copies of the BfuAI recognition sequence.
Sticky ends from different BfuAI sites may not be compatible.
BfuAI is typically used at 50°C, but is 50% active at 37°C.
BspMI  (3945)
1 site
A C C T G C ( N ) 4 T G G A C G ( N ) 4 ( N ) 4

Efficient cleavage requires at least two copies of the BspMI recognition sequence.
Sticky ends from different BspMI sites may not be compatible.
BtgI  (4284)
1 site
C C R Y G G G G Y R C C

Sticky ends from different BtgI sites may not be compatible.
NcoI  (4284)
1 site
C C A T G G G G T A C C
StyI  (4284)
1 site
C C W W G G G G W W C C

Sticky ends from different StyI sites may not be compatible.
NheI  (4322)
1 site
G C T A G C C G A T C G
BmtI  (4326)
1 site
G C T A G C C G A T C G
BsaBI  (4377)
1 site
G A T N N N N A T C C T A N N N N T A G
* Blocked by Dam methylation.
BamHI  (4378)
1 site
G G A T C C C C T A G G

After cleavage, BamHI-HF® (but not the original BamHI) can remain bound to DNA and alter its electrophoretic mobility.
End  (4390)
0 sites
Start  (1)
0 sites
EcoRI  (7)
1 site
G A A T T C C T T A A G
BstBI  (16)
1 site
T T C G A A A A G C T T
HindIII  (19)
1 site
A A G C T T T T C G A A
ScaI  (849)
1 site
A G T A C T T C A T G A
PvuI  (961)
1 site
C G A T C G G C T A G C
FspI  (1107)
1 site
T G C G C A A C G C G T
BglI  (1212)
1 site
G C C N N N N N G G C C G G N N N N N C C G

Sticky ends from different BglI sites may not be compatible.
AhdI  (1330)
1 site
G A C N N N N N G T C C T G N N N N N C A G

The 1-base overhangs produced by AhdI may be hard to ligate.
Sticky ends from different AhdI sites may not be compatible.
lacI
2752 .. 3834  =  1083 bp
360 amino acids  =  38.6 kDa
Product: lac repressor
The lac repressor binds to the lac operator to inhibit transcription in E. coli. This inhibition can be relieved by adding lactose or isopropyl-β-D-thiogalactopyranoside (IPTG).
lacI
2752 .. 3834  =  1083 bp
360 amino acids  =  38.6 kDa
Product: lac repressor
The lac repressor binds to the lac operator to inhibit transcription in E. coli. This inhibition can be relieved by adding lactose or isopropyl-β-D-thiogalactopyranoside (IPTG).
AmpR
543 .. 1403  =  861 bp
286 amino acids  =  31.5 kDa
2 segments
   Segment 1:  signal sequence  
   543 .. 611  =  69 bp
   23 amino acids  =  2.6 kDa
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and related antibiotics
AmpR
543 .. 1403  =  861 bp
286 amino acids  =  31.5 kDa
2 segments
   Segment 2:  
   612 .. 1403  =  792 bp
   263 amino acids  =  28.9 kDa
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and related antibiotics
AmpR
543 .. 1403  =  861 bp
286 amino acids  =  31.5 kDa
2 segments
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and related antibiotics
ori
1574 .. 2162  =  589 bp
high-copy-number ColE1/pMB1/pBR322/pUC origin of replication
ori
1574 .. 2162  =  589 bp
high-copy-number ColE1/pMB1/pBR322/pUC origin of replication
ATG
4286 .. 4288  =  3 bp
1 amino acid  =  149.2 Da
Product: start codon
ATG
4286 .. 4288  =  3 bp
1 amino acid  =  149.2 Da
Product: start codon
6xHis
4298 .. 4315  =  18 bp
6 amino acids  =  840.9 Da
Product: 6xHis affinity tag
6xHis
4298 .. 4315  =  18 bp
6 amino acids  =  840.9 Da
Product: 6xHis affinity tag
T7 tag (gene 10 leader)
4319 .. 4351  =  33 bp
11 amino acids  =  1.1 kDa
Product: leader peptide from bacteriophage T7 gene 10
promotes efficient translation in E. coli
T7 tag (gene 10 leader)
4319 .. 4351  =  33 bp
11 amino acids  =  1.1 kDa
Product: leader peptide from bacteriophage T7 gene 10
promotes efficient translation in E. coli
Xpress™ tag
4355 .. 4378  =  24 bp
8 amino acids  =  998.0 Da
2 segments
   Segment 1:  
   4355 .. 4363  =  9 bp
   3 amino acids  =  409.4 Da
Product: Xpress™ epitope tag, including an enterokinase recognition and cleavage site
Xpress™ tag
4355 .. 4378  =  24 bp
8 amino acids  =  998.0 Da
2 segments
   Segment 2:  enterokinase site  
   4364 .. 4378  =  15 bp
   5 amino acids  =  606.5 Da
Product: Xpress™ epitope tag, including an enterokinase recognition and cleavage site
Xpress™ tag
4355 .. 4378  =  24 bp
8 amino acids  =  998.0 Da
2 segments
Product: Xpress™ epitope tag, including an enterokinase recognition and cleavage site
AmpR promoter
451 .. 542  =  92 bp
AmpR promoter
451 .. 542  =  92 bp
rrnB T1 terminator
227 .. 313  =  87 bp
transcription terminator T1 from the E. coli rrnB gene
rrnB T1 terminator
227 .. 313  =  87 bp
transcription terminator T1 from the E. coli rrnB gene
lacIq promoter
2674 .. 2751  =  78 bp
In the lacIq allele, a single base change in the promoter boosts expression of the lacI gene about 10-fold.
lacIq promoter
2674 .. 2751  =  78 bp
In the lacIq allele, a single base change in the promoter boosts expression of the lacI gene about 10-fold.
rrnG antiterminator
4136 .. 4205  =  70 bp
antiterminator from the E. coli rrnG leader region (Berg et al., 1989)
rrnG antiterminator
4136 .. 4205  =  70 bp
antiterminator from the E. coli rrnG leader region (Berg et al., 1989)
trc promoter
4066 .. 4095  =  30 bp
3 segments
   Segment 1:  -35  
   4066 .. 4071  =  6 bp
strong E. coli promoter; hybrid between the trp and lac UV5 promoters
trc promoter
4066 .. 4095  =  30 bp
3 segments
   Segment 2:  
   4072 .. 4088  =  17 bp
strong E. coli promoter; hybrid between the trp and lac UV5 promoters
trc promoter
4066 .. 4095  =  30 bp
3 segments
   Segment 3:  -10  
   4089 .. 4095  =  7 bp
strong E. coli promoter; hybrid between the trp and lac UV5 promoters
trc promoter
4066 .. 4095  =  30 bp
3 segments
strong E. coli promoter; hybrid between the trp and lac UV5 promoters
rrnB T2 terminator
405 .. 432  =  28 bp
transcription terminator T2 from the E. coli rrnB gene
rrnB T2 terminator
405 .. 432  =  28 bp
transcription terminator T2 from the E. coli rrnB gene
minicistron
4256 .. 4282  =  27 bp
8 amino acids  =  1.1 kDa
Product: synthetic cistron containing a ribosome binding site (Shine-Dalgarno sequence), for enhancing the bacterial expression of a downstream cistron (Schoner, 1997)
This first cistron should terminate 3 bp upstream of the ATG for the second cistron.
minicistron
4256 .. 4282  =  27 bp
8 amino acids  =  1.1 kDa
Product: synthetic cistron containing a ribosome binding site (Shine-Dalgarno sequence), for enhancing the bacterial expression of a downstream cistron (Schoner, 1997)
This first cistron should terminate 3 bp upstream of the ATG for the second cistron.
lac operator
4103 .. 4119  =  17 bp
The lac repressor binds to the lac operator to inhibit transcription in E. coli. This inhibition can be relieved by adding lactose or isopropyl-β-D-thiogalactopyranoside (IPTG).
lac operator
4103 .. 4119  =  17 bp
The lac repressor binds to the lac operator to inhibit transcription in E. coli. This inhibition can be relieved by adding lactose or isopropyl-β-D-thiogalactopyranoside (IPTG).
gene 10 translational enhancer
4219 .. 4227  =  9 bp
translational enhancer from gene 10 of bacteriophage T7 (Olins and Rangwala, 1989)
gene 10 translational enhancer
4219 .. 4227  =  9 bp
translational enhancer from gene 10 of bacteriophage T7 (Olins and Rangwala, 1989)
RBS
4242 .. 4246  =  5 bp
ribosome binding site
RBS
4242 .. 4246  =  5 bp
ribosome binding site
ORF:  2875 .. 3834  =  960 bp
ORF:  319 amino acids  =  34.1 kDa
ORF:  543 .. 1403  =  861 bp
ORF:  286 amino acids  =  31.5 kDa
ORF:  2685 .. 3002  =  318 bp
ORF:  105 amino acids  =  11.2 kDa
ORF:  3591 .. 3854  =  264 bp
ORF:  87 amino acids  =  8.9 kDa
ORF:  68 .. 394  =  327 bp
ORF:  108 amino acids  =  12.1 kDa
ORF:  1007 .. 1273  =  267 bp
ORF:  88 amino acids  =  9.2 kDa
Click here to try SnapGene

Download pTrcHis-TOPO (linearized).dna file

SnapGene

SnapGene is the easiest way to plan, visualize and document your everyday molecular biology procedures

  • Fast accurate construct design for all major molecular cloning techniques
  • Validate sequenced constructs using powerful alignment tools
  • Customize plasmid maps with flexible annotation and visualization controls
  • Automatically generate a rich graphical history of every edit and procedure

SnapGene Viewer

SnapGene Viewer is free software that allows molecular biologists to create, browse, and share richly annotated sequence files.

  • Gain unparalleled visibility of your plasmids, DNA and protein sequences
  • Annotate features on your plasmids using the curated feature database
  • Store, search, and share your sequences, files and maps

The maps, notes, and annotations in the zip file on this page are copyrighted material. This material may be used without restriction by academic, nonprofit, and governmental entities, except that the source must be cited as ’’www.snapgene.com/resources’’. Commercial entities must contact GSL Biotech LLC for permission and terms of use.

Discover the most user-friendly molecular biology experience.