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Plasmid Files

pGEM®-T

Parental vector for TA cloning of PCR products. The insertion site is flanked by BstZI sites. This vector is also known as pGEM®‑5Zf(+).

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pGEM-T Sequence and MappGEM-T.dna
Map and Sequence File   
Sequence Author:  Promega
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 T7 promoter NaeI (2692) NgoMIV (2690) BtgZI (2590) BsaAI - DraIII (2589) PsiI (2461) XmnI (1994) ScaI (1875) TatI (1873) NmeAIII (1543) PspOMI (10) ApaI (14) ZraI (18) AatII (20) SphI (26) BstZI (31) NcoI - StyI (37) SfiI (39) SacII (46) EcoRV (51) SpeI (55) BfuAI - BspMI - BstZI - NotI (62) PstI - SbfI (73) SalI (75) AccI (76) HincII (77) NdeI (82) Eco53kI (92) SacI (94) MluI (99) BstXI (103) NsiI (112) M13 rev lac operator BspQI - SapI (386) PciI (502) BseYI (806) PspFI (810) AlwNI (918) AhdI (1395) BsaI (1456) BpmI (1465) pGEM®-T 3000 bp
NaeI  (2692)
1 site
G C C G G C C G G C C G

Efficient cleavage requires at least two copies of the NaeI
recognition sequence.
NgoMIV  (2690)
1 site
G C C G G C C G G C C G

Efficient cleavage requires at least two copies of the NgoMIV
recognition sequence.
BtgZI  (2590)
1 site
G C G A T G ( N ) 10 C G C T A C ( N ) 10 ( N ) 4

Sticky ends from different BtgZI sites may not be compatible.
After cleavage, BtgZI can remain bound to DNA and alter its
electrophoretic mobility.
BtgZI is typically used at 60°C, but is 75% active at 37°C.
BsaAI  (2589)
1 site
Y A C G T R R T G C A Y
DraIII  (2589)
1 site
C A C N N N G T G G T G N N N C A C

Sticky ends from different DraIII sites may not be compatible.
PsiI  (2461)
1 site
T T A T A A A A T A T T
XmnI  (1994)
1 site
G A A N N N N T T C C T T N N N N A A G
ScaI  (1875)
1 site
A G T A C T T C A T G A
TatI  (1873)
1 site
W G T A C W W C A T G W
NmeAIII  (1543)
1 site
G C C G A G ( N ) 18-19 N N C G G C T C ( N ) 18-19

Efficient cleavage requires at least two copies of the NmeAIII
recognition sequence.
Sticky ends from different NmeAIII sites may not be compatible.
For full activity, add fresh S-adenosylmethionine (SAM).
PspOMI  (10)
1 site
G G G C C C C C C G G G
ApaI  (14)
1 site
G G G C C C C C C G G G

ApaI can be used between 25°C and 37°C.
ZraI  (18)
1 site
G A C G T C C T G C A G
AatII  (20)
1 site
G A C G T C C T G C A G
SphI  (26)
1 site
G C A T G C C G T A C G
BstZI  (31)
2 sites
C G G C C G G C C G G C
NcoI  (37)
1 site
C C A T G G G G T A C C
StyI  (37)
1 site
C C W W G G G G W W C C

Sticky ends from different StyI sites may not be compatible.
SfiI  (39)
1 site
G G C C N N N N N G G C C C C G G N N N N N C C G G

Efficient cleavage requires at least two copies of the SfiI
recognition sequence.
Sticky ends from different SfiI sites may not be compatible.
SacII  (46)
1 site
C C G C G G G G C G C C

Efficient cleavage requires at least two copies of the SacII
recognition sequence.
EcoRV  (51)
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.
SpeI  (55)
1 site
A C T A G T T G A T C A
BfuAI  (62)
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  (62)
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.
BstZI  (62)
2 sites
C G G C C G G C C G G C
NotI  (62)
1 site
G C G G C C G C C G C C G G C G
PstI  (73)
1 site
C T G C A G G A C G T C
SbfI  (73)
1 site
C C T G C A G G G G A C G T C C
SalI  (75)
1 site
G T C G A C C A G C T G
AccI  (76)
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.
HincII  (77)
1 site
G T Y R A C C A R Y T G
NdeI  (82)
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.
Eco53kI  (92)
1 site
G A G C T C C T C G A G
SacI  (94)
1 site
G A G C T C C T C G A G
MluI  (99)
1 site
A C G C G T T G C G C A
BstXI  (103)
1 site
C C A N N N N N N T G G G G T N N N N N N A C C

Sticky ends from different BstXI sites may not be compatible.
NsiI  (112)
1 site
A T G C A T T A C G T A
BspQI  (386)
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  (386)
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  (502)
1 site
A C A T G T T G T A C A

PciI is inhibited by nonionic detergents.
BseYI  (806)
1 site
C C C A G C G G G T C G

After cleavage, BseYI can remain bound to DNA and alter its
electrophoretic mobility.
PspFI  (810)
1 site
C C C A G C G G G T C G
AlwNI  (918)
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.
AhdI  (1395)
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.
BsaI  (1456)
1 site
G G T C T C N C C A G A G N ( N ) 4

Sticky ends from different BsaI sites may not be compatible.
BsaI can be used between 37°C and 50°C.
BpmI  (1465)
1 site
C T G G A G ( N ) 14 N N G A C C T C ( N ) 14

Efficient cleavage requires at least two copies of the BpmI
recognition sequence.
Sticky ends from different BpmI sites may not be compatible.
After cleavage, BpmI can remain bound to DNA and alter its
electrophoretic mobility.
BpmI quickly loses activity at 37°C.
AmpR
1322 .. 2182  =  861 bp
286 amino acids  =  31.6 kDa
   Segment 2:  
   1322 .. 2113  =  792 bp
   263 amino acids  =  28.9 kDa
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and
related antibiotics
AmpR
1322 .. 2182  =  861 bp
286 amino acids  =  31.6 kDa
   Segment 1:  signal sequence  
   2114 .. 2182  =  69 bp
   23 amino acids  =  2.6 kDa
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and
related antibiotics
AmpR
1322 .. 2182  =  861 bp
286 amino acids  =  31.6 kDa
2 segments
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and
related antibiotics
ori
563 .. 1151  =  589 bp
high-copy-number ColE1/pMB1/pBR322/pUC origin
of replication
ori
563 .. 1151  =  589 bp
high-copy-number ColE1/pMB1/pBR322/pUC origin
of replication
f1 ori
2365 .. 2820  =  456 bp
f1 bacteriophage origin of replication; arrow
indicates direction of (+) strand synthesis
f1 ori
2365 .. 2820  =  456 bp
f1 bacteriophage origin of replication; arrow
indicates direction of (+) strand synthesis
AmpR promoter
2183 .. 2287  =  105 bp
AmpR promoter
2183 .. 2287  =  105 bp
MCS
10 .. 113  =  104 bp
multiple cloning site
MCS
10 .. 113  =  104 bp
multiple cloning site
lac promoter
209 .. 239  =  31 bp
   Segment 3:  -10  
   209 .. 215  =  7 bp
promoter for the E. coli lac operon
lac promoter
209 .. 239  =  31 bp
   Segment 2:  
   216 .. 233  =  18 bp
promoter for the E. coli lac operon
lac promoter
209 .. 239  =  31 bp
   Segment 1:  -35  
   234 .. 239  =  6 bp
promoter for the E. coli lac operon
lac promoter
209 .. 239  =  31 bp
3 segments
promoter for the E. coli lac operon
SP6 promoter
125 .. 143  =  19 bp
promoter for bacteriophage SP6 RNA polymerase
SP6 promoter
125 .. 143  =  19 bp
promoter for bacteriophage SP6 RNA polymerase
T7 promoter
2984 .. 2  =  19 bp
promoter for bacteriophage T7 RNA polymerase
T7 promoter
2984 .. 2  =  19 bp
promoter for bacteriophage T7 RNA polymerase
M13 rev
161 .. 177  =  17 bp
common sequencing primer, one of multiple similar
variants
M13 rev
161 .. 177  =  17 bp
common sequencing primer, one of multiple similar
variants
lac operator
185 .. 201  =  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
185 .. 201  =  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).
M13 fwd
2961 .. 2977  =  17 bp
common sequencing primer, one of multiple similar
variants
M13 fwd
2961 .. 2977  =  17 bp
common sequencing primer, one of multiple similar
variants
lacZα
2797 .. 165  =  369 bp
122 amino acids  =  13.6 kDa
Product: LacZα fragment of β-galactosidase
lacZα
2797 .. 165  =  369 bp
122 amino acids  =  13.6 kDa
Product: LacZα fragment of β-galactosidase
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