pMCSG30

Bacterial expression vector with a 6xHis-TEV-MBP leader and a SacB negative selection marker, for high-throughput purification of recombinant proteins.

Sequence Author: Midwest Center for Structural Genomics

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AvaI - BmeT110I - BsoBI - PaeR7I - PspXI - XhoI (158) ScaI (7619) PstI (7384) AhdI (7139) BspQI - SapI (6130) PflFI - Tth111I (5991) PpuMI (5252) FspAI (5227) PshAI (4990) EcoRV (4595) ApaI (4356) PspOMI (4352) BstEII (4326) EagI - NotI (166) SalI (179) Eco53kI (188) SacI (190) BamHI (198) SfiI (249) SacII (598) SnaBI (926) BsrGI (991) AanI (1035) MscI (1412) StuI * (1434) SfiI (2133) NcoI (2281) BsmI (2628) BmgBI (2704) AanI (2894) BsiWI (2952) TEV site 6xHis ATG NdeI (3315) RBS XbaI (3353) T7 promoter SgrAI (3464) SphI (3620) EcoNI (3680) PflMI (3727) MluI (4145) pMCSG30 8314 bp
AvaI  (158)
1 site
C Y C G R G G R G C Y C

Sticky ends from different AvaI sites may not be compatible.
BmeT110I  (158)
1 site
C Y C G R G G R G C Y C
BsoBI  (158)
1 site
C Y C G R G G R G C Y C

Sticky ends from different BsoBI sites may not be compatible.
BsoBI is typically used at 37°C, but can be used at temperatures up to 65°C.
PaeR7I  (158)
1 site
C T C G A G G A G C T C

PaeR7I does not recognize the sequence CTCTCGAG.
PspXI  (158)
1 site
V C T C G A G B B G A G C T C V
XhoI  (158)
1 site
C T C G A G G A G C T C
ScaI  (7619)
1 site
A G T A C T T C A T G A
PstI  (7384)
1 site
C T G C A G G A C G T C
AhdI  (7139)
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.
BspQI  (6130)
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  (6130)
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.
PflFI  (5991)
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  (5991)
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.
PpuMI  (5252)
1 site
R G G W C C Y Y C C W G G R

Sticky ends from different PpuMI sites may not be compatible.
FspAI  (5227)
1 site
R T G C G C A Y Y A C G C G T R
PshAI  (4990)
1 site
G A C N N N N G T C C T G N N N N C A G

PshAI quickly loses activity at 37°C, but can be used at 25°C for long incubations.
EcoRV  (4595)
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  (4356)
1 site
G G G C C C C C C G G G

ApaI can be used between 25°C and 37°C.
PspOMI  (4352)
1 site
G G G C C C C C C G G G
BstEII  (4326)
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.
EagI  (166)
1 site
C G G C C G G C C G G C
NotI  (166)
1 site
G C G G C C G C C G C C G G C G
SalI  (179)
1 site
G T C G A C C A G C T G
Eco53kI  (188)
1 site
G A G C T C C T C G A G
SacI  (190)
1 site
G A G C T C C T C G A G
BamHI  (198)
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.
SfiI  (249)
2 sites
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  (598)
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.
SnaBI  (926)
1 site
T A C G T A A T G C A T
BsrGI  (991)
1 site
T G T A C A A C A T G T

BsrGI is typically used at 37°C, but is even more active at 60°C.
AanI  (1035)
2 sites
T T A T A A A A T A T T
MscI  (1412)
1 site
T G G C C A A C C G G T
StuI  (1434)
1 site
A G G C C T T C C G G A
* Blocked by Dcm methylation.
SfiI  (2133)
2 sites
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.
NcoI  (2281)
1 site
C C A T G G G G T A C C
BsmI  (2628)
1 site
G A A T G C N C T T A C G N

Sticky ends from different BsmI sites may not be compatible.
BmgBI  (2704)
1 site
C A C G T C G T G C A G

This recognition sequence is asymmetric, so ligating blunt ends generated by BmgBI will not always regenerate a BmgBI site.
AanI  (2894)
2 sites
T T A T A A A A T A T T
BsiWI  (2952)
1 site
C G T A C G G C A T G C

BsiWI is typically used at 55°C, but is 50% active at 37°C.
NdeI  (3315)
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.
XbaI  (3353)
1 site
T C T A G A A G A T C T
SgrAI  (3464)
1 site
C R C C G G Y G G Y G G C C R C

Efficient cleavage requires at least two copies of the SgrAI recognition sequence.
SphI  (3620)
1 site
G C A T G C C G T A C G
EcoNI  (3680)
1 site
C C T N N N N N A G G G G A N N N N N T C C

The 1-base overhangs produced by EcoNI may be hard to ligate.
Sticky ends from different EcoNI sites may not be compatible.
PflMI  (3727)
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.
MluI  (4145)
1 site
A C G C G T T G C G C A
SacB
255 .. 1676  =  1422 bp
473 amino acids  =  53.0 kDa
2 segments
   Segment 2:  
   255 .. 1589  =  1335 bp
   444 amino acids  =  50.0 kDa
Product: secreted levansucrase that renders bacterial growth sensitive to sucrose
negative selection marker
SacB
255 .. 1676  =  1422 bp
473 amino acids  =  53.0 kDa
2 segments
   Segment 1:  signal peptide  
   1590 .. 1676  =  87 bp
   29 amino acids  =  3.0 kDa
Product: secreted levansucrase that renders bacterial growth sensitive to sucrose
negative selection marker
SacB
255 .. 1676  =  1422 bp
473 amino acids  =  53.0 kDa
2 segments
Product: secreted levansucrase that renders bacterial growth sensitive to sucrose
negative selection marker
MBP
2171 .. 3244  =  1074 bp
358 amino acids  =  39.4 kDa
Product: maltose binding protein from E. coli
This version of the gene does not encode a signal sequence, so MBP will remain in the cytosol.
MBP
2171 .. 3244  =  1074 bp
358 amino acids  =  39.4 kDa
Product: maltose binding protein from E. coli
This version of the gene does not encode a signal sequence, so MBP will remain in the cytosol.
TEV site
3251 .. 3271  =  21 bp
7 amino acids  =  900.0 Da
Product: tobacco etch virus (TEV) protease recognition and cleavage site
TEV site
3251 .. 3271  =  21 bp
7 amino acids  =  900.0 Da
Product: tobacco etch virus (TEV) protease recognition and cleavage site
6xHis
3296 .. 3313  =  18 bp
6 amino acids  =  840.9 Da
Product: 6xHis affinity tag
6xHis
3296 .. 3313  =  18 bp
6 amino acids  =  840.9 Da
Product: 6xHis affinity tag
ATG
3314 .. 3316  =  3 bp
1 amino acid  =  149.2 Da
Product: start codon
ATG
3314 .. 3316  =  3 bp
1 amino acid  =  149.2 Da