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pTYB4
质粒类型:
大肠杆菌表达载体
载体大小:
7474 bp (查看载体序列)
5' 测序引物:
T7
备注:
This C-terminal fusion vector is designed for the in-frame insertion of a target gene into a polylinker upstream of an intein tag (the Sce VMA intein/chitin binding domain, 55 kDa). This results in the fusion of the C-terminus of the target protein to the N-terminus of the intein tag. Thiol-induced self-cleavage of the intein releases the target protein from the chitin-bound intein tag, resulting in a single column purification of the target protein.
描述
pTYB4 is an E. coli expression vector (7,474 bp) used in the IMPACT™ Kit (NEB #E6901) (1). This C-terminal fusion vector is designed for the in-frame insertion of a target gene into a polylinker upstream of an intein tag (the Sce VMA intein/chitin binding domain, 55 kDa) (1,2). This results in the fusion of the C-terminus of the target protein to the N-terminus of the intein tag. Thiol-induced self-cleavage of the intein releases the target protein from the chitin-bound intein tag, resulting in a single column purification of the target protein (3).
特色
-
The NcoI site in the polylinker contains an ATG sequence for translation initiation.
-
Use of the SmaI site for cloning will yield a target protein with a single glycine residue added to its C-terminus after cleavage.
-
Unique sites indicated in bold.
-
Expression of the fusion gene is under the control of an IPTG-inducible T7 promoter (4).
-
Origin of DNA replication from bacteriophage M13, which allows for the production of single-stranded DNA by helper phage superinfection of cells bearing the plasmid (M13K07 Helper Phage, NEB #N0315)
-
A pBR322 derivative with a ColE1 derivative origin
-
Ampicillin resistance.
-
Other IMPACT vectors are available which allow for fusion of a target gene to N-or C- terminus of an intein. The cleavage reaction may be induced by thiol reagent or temperature/pH shift.
-
Companion vectors (pTYB1, pTYB2, pTYB3) differ only in the sites present in the polylinker.
-
A wide range of E. coli host strains: T7 Express Competent E. coli (High Efficiency) (NEB #C2566) or BL21(DE3) Competent E. coli (NEB #C2527); and derivatives.
质粒类型: | 大肠杆菌表达载体 |
---|---|
载体大小: | 7474 bp (查看载体序列) |
5' 测序引物: | T7 |
备注: | This C-terminal fusion vector is designed for the in-frame insertion of a target gene into a polylinker upstream of an intein tag (the Sce VMA intein/chitin binding domain, 55 kDa). This results in the fusion of the C-terminus of the target protein to the N-terminus of the intein tag. Thiol-induced self-cleavage of the intein releases the target protein from the chitin-bound intein tag, resulting in a single column purification of the target protein. |
描述
pTYB4 is an E. coli expression vector (7,474 bp) used in the IMPACT™ Kit (NEB #E6901) (1). This C-terminal fusion vector is designed for the in-frame insertion of a target gene into a polylinker upstream of an intein tag (the Sce VMA intein/chitin binding domain, 55 kDa) (1,2). This results in the fusion of the C-terminus of the target protein to the N-terminus of the intein tag. Thiol-induced self-cleavage of the intein releases the target protein from the chitin-bound intein tag, resulting in a single column purification of the target protein (3).
特色
- The NcoI site in the polylinker contains an ATG sequence for translation initiation.
- Use of the SmaI site for cloning will yield a target protein with a single glycine residue added to its C-terminus after cleavage.
- Unique sites indicated in bold.
- Expression of the fusion gene is under the control of an IPTG-inducible T7 promoter (4).
- Origin of DNA replication from bacteriophage M13, which allows for the production of single-stranded DNA by helper phage superinfection of cells bearing the plasmid (M13K07 Helper Phage, NEB #N0315)
- A pBR322 derivative with a ColE1 derivative origin
- Ampicillin resistance.
- Other IMPACT vectors are available which allow for fusion of a target gene to N-or C- terminus of an intein. The cleavage reaction may be induced by thiol reagent or temperature/pH shift.
- Companion vectors (pTYB1, pTYB2, pTYB3) differ only in the sites present in the polylinker.
- A wide range of E. coli host strains: T7 Express Competent E. coli (High Efficiency) (NEB #C2566) or BL21(DE3) Competent E. coli (NEB #C2527); and derivatives.
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