pMelBac A

Baculovirus transfer vector for expression and secretion of recombinant proteins. For other reading frames, use pMelBac B or pMelBac C.

Sequence Author: Thermo Fisher (Invitrogen)

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EcoRV (3) BstAPI (4734) Ac PCNA Bsu36I (4302) AleI (4237) Bpu10I (4021) BfuAI - BspMI (3751) PciI (3296) AlwNI (2887) polyhedrin promoter melittin signal sequence BstZ17I (137) BamHI (168) Eco53kI (176) AvaI - BsoBI - PaeR7I - XhoI (177) BanII - SacI (178) BglII (181) PstI (189) Acc65I (193) KpnI - NcoI - StyI (197) EcoRI (202) BstBI (206) HindIII (209) SalI (218) BseRI (248) AfeI (357) BsaAI - SnaBI (399) PsiI (424) SwaI (489) baculovirus recombination region (ORF1629) BsrGI (729) BbsI (858) BmgBI (903) PfoI (1369) EcoO109I (1428) ScaI (1927) BsrFI (2323) BsaI (2342) AhdI (2408) pMelBac A 4831 bp
EcoRV  (3)
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.
BstAPI  (4734)
1 site
G C A N N N N N T G C C G T N N N N N A C G

Sticky ends from different BstAPI sites may not be compatible.
Bsu36I  (4302)
1 site
C C T N A G G G G A N T C C

Sticky ends from different Bsu36I sites may not be compatible.
AleI  (4237)
1 site
C A C N N N N G T G G T G N N N N C A C
Bpu10I  (4021)
1 site
C C T N A G C G G A N T C G

Cleavage may be enhanced when more than one copy of the Bpu10I recognition sequence is present.
This recognition sequence is asymmetric, so ligating sticky ends generated by Bpu10I will not always regenerate a Bpu10I site.
Sticky ends from different Bpu10I sites may not be compatible.
BfuAI  (3751)
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  (3751)
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.
PciI  (3296)
1 site
A C A T G T T G T A C A

PciI is inhibited by nonionic detergents.
AlwNI  (2887)
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.
BstZ17I  (137)
1 site
G T A T A C C A T A T G
BamHI  (168)
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.
Eco53kI  (176)
1 site
G A G C T C C T C G A G
AvaI  (177)
1 site
C Y C G R G G R G C Y C

Sticky ends from different AvaI sites may not be compatible.
BsoBI  (177)
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  (177)
1 site
C T C G A G G A G C T C

PaeR7I does not recognize the sequence CTCTCGAG.
XhoI  (177)
1 site
C T C G A G G A G C T C
BanII  (178)
1 site
G R G C Y C C Y C G R G

Sticky ends from different BanII sites may not be compatible.
SacI  (178)
1 site
G A G C T C C T C G A G
BglII  (181)
1 site
A G A T C T T C T A G A
PstI  (189)
1 site
C T G C A G G A C G T C
Acc65I  (193)
1 site
G G T A C C C C A T G G
KpnI  (197)
1 site
G G T A C C C C A T G G
NcoI  (197)
1 site
C C A T G G G G T A C C
StyI  (197)
1 site
C C W W G G G G W W C C

Sticky ends from different StyI sites may not be compatible.
EcoRI  (202)
1 site
G A A T T C C T T A A G
BstBI  (206)
1 site
T T C G A A A A G C T T
HindIII  (209)
1 site
A A G C T T T T C G A A
SalI  (218)
1 site
G T C G A C C A G C T G
BseRI  (248)
1 site
G A G G A G ( N ) 8 N N C T C C T C ( N ) 8

Sticky ends from different BseRI sites may not be compatible.
BseRI quickly loses activity at 37°C.
Prolonged incubation with BseRI may lead to degradation of the DNA.
AfeI  (357)
1 site
A G C G C T T C G C G A
BsaAI  (399)
1 site
Y A C G T R R T G C A Y
SnaBI  (399)
1 site
T A C G T A A T G C A T
PsiI  (424)
1 site
T T A T A A A A T A T T
SwaI  (489)
1 site
A T T T A A A T T A A A T T T A

SwaI is typically used at 25°C, but is 50% active at 37°C.
BsrGI  (729)
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.
BbsI  (858)
1 site
G A A G A C N N C T T C T G N N ( N ) 4

Sticky ends from different BbsI sites may not be compatible.
BbsI gradually loses activity when stored at -20°C.
BmgBI  (903)
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.
PfoI  (1369)
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.
EcoO109I  (1428)
1 site
R G G N C C Y Y C C N G G R

Sticky ends from different EcoO109I sites may not be compatible.
ScaI  (1927)
1 site
A G T A C T T C A T G A
BsrFI  (2323)
1 site
R C C G G Y Y G G C C R

Cleavage may be enhanced when more than one copy of the BsrFI recognition sequence is present.
After cleavage, BsrFI can remain bound to DNA and alter its electrophoretic mobility.
BsaI  (2342)
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.
AhdI  (2408)
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.
5' lacZ fragment
3417 .. 4519  =  1103 bp
367 amino acids  =  41.8 kDa
Product: N-terminal fragment of β-galactosidase
5' lacZ fragment
3417 .. 4519  =  1103 bp
367 amino acids  =  41.8 kDa
Product: N-terminal fragment of β-galactosidase
Ac PCNA
4527 .. 4616  =  90 bp
30 amino acids  =  3.6 kDa
Product: proliferating cell nuclear antigen (PCNA) from baculovirus
Ac PCNA
4527 .. 4616  =  90 bp
30 amino acids  =  3.6 kDa
Product: proliferating cell nuclear antigen (PCNA) from baculovirus
baculovirus recombination region (ORF1629)
235 .. 1179  =  945 bp
contains part of ORF1629
baculovirus recombination region (ORF1629)
235 .. 1179  =  945 bp
contains part of ORF1629
AmpR
1621 .. 2481  =  861 bp
286 amino acids  =  31.6 kDa
2 segments
   Segment 1:  signal sequence  
   1621 .. 1689  =  69 bp
   23 amino acids  =  2.6 kDa
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and related antibiotics
AmpR
1621 .. 2481  =  861 bp
286 amino acids  =  31.6 kDa
2 segments
   Segment 2:  
   1690 .. 2481  =  792 bp
   263 amino acids  =  28.9 kDa
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and related antibiotics
AmpR
1621 .. 2481  =  861 bp
286 amino acids  =  31.6 kDa
2 segments
Product: β-lactamase
confers resistance to ampicillin, carbenicillin, and related antibiotics
ori
2652 .. 3240  =  589 bp
high-copy-number ColE1/pMB1/pBR322/pUC origin of replication
ori
2652 .. 3240  =  589 bp
high-copy-number ColE1/pMB1/pBR322/pUC origin of replication
ETL promoter
4617 .. 4831  =  215 bp
baculovirus early-to-late promoter (Liu et al., 2006)
ETL promoter
4617 .. 4831  =  215 bp
baculovirus early-to-late promoter (Liu et al., 2006)
AmpR promoter
1516 .. 1620  =  105 bp
AmpR promoter
1516 .. 1620  =  105 bp
polyhedrin promoter
4 .. 95  =  92 bp
promoter for the baculovirus polyhedrin gene
polyhedrin promoter
4 .. 95  =  92 bp
promoter for the baculovirus polyhedrin gene
melittin signal sequence
96 .. 158  =  63 bp
21 amino acids  =  2.5 kDa
Product: signal sequence from honeybee melittin
melittin signal sequence
96 .. 158  =  63 bp
21 amino acids  =  2.5 kDa
Product: signal sequence from honeybee melittin
MCS
168 .. 223  =  56 bp
multiple cloning site
MCS
168 .. 223  =  56 bp
multiple cloning site
ORF:  1621 .. 2481  =  861 bp
ORF:  286 amino acids  =  31.6 kDa
ORF:  4615 .. 20  =  237 bp
ORF:  78 amino acids
ORF:  352 .. 1098  =  747 bp
ORF:  248 amino acids  =  27.9 kDa
ORF:  4639 .. 32  =  225 bp
ORF:  74 amino acids  =  8.4 kDa
ORF:  2085 .. 2351  =  267 bp
ORF:  88 amino acids  =  9.2 kDa
ORF:  3294 .. 4616  =  1323 bp
ORF:  440 amino acids  =  50.0 kDa
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Download pMelBac A.dna file

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