The vector sequence has been compiled using the information from sequence databases, published literature, and other sources, together with partial sequences obtained by Evrogen. This vector has not been completely sequenced.
|TurboGFP||Bgl II||Sac I||EcoR I||Sal I||Kpn I||Apa I*||BamH I||Stops|
|Xho I||Hind III||Pst I*||Sac II||Xba I#||Bcl I#|
* – not unique site.
# – sites are blocked by dam methylation. If you wish to digest the vector with these enzymes, you will need to transform the vector into a dam- host and make fresh DNA.
pTurboGFP-C is a mammalian expression vector encoding green fluorescent protein TurboGFP (see reporter description). The vector allows generation of fusions to the TurboGFP C-terminus and expression of TurboGFP fusions or TurboGFP alone in eukaryotic (mammalian) cells.
TurboGFP codon usage is optimized for high expression in mammalian cells (humanized) [Haas et al., 1996]. To increase mRNA translation efficiency, Kozak consensus translation initiation site is generated upstream of the TurboGFP coding sequence [Kozak, 1987]. Multiple cloning site (MCS) is located between TurboGFP coding sequence and SV40 polyadenylation signal (SV40 polyA).
The vector backbone contains immediate early promoter of cytomegalovirus (PCMV IE) for protein expression, SV40 origin for replication in mammalian cells expressing SV40 T-antigen, pUC origin of replication for propagation in
SV40 early promoter (PSV40) provides neomycin resistance gene (Neor) expression to select stably transfected eukaryotic cells using G418. Bacterial promoter (P) provides kanamycin resistance gene expression (Kanr) in
Generation of TurboGFP fusion proteins
A localization signal or a gene of interest can be cloned into MCS of the vector. It will be expressed as a fusion to the TurboGFP C-terminus when inserted in the same reading frame as TurboGFP and no in-frame stop codons are present. TurboGFP-tagged fusions retain fluorescent properties of the native protein allowing fusion localization in vivo. Unmodified vector will express TurboGFP when transfected into eukaryotic (mammalian) cells.
Note: The plasmid DNA was isolated from dam+-methylated
Expression in mammalian cells
pTurboGFP-C vector can be transfected into mammalian cells by any known transfection method. CMV promoter provides strong, constitutive expression of TurboGFP or its fusions in eukaryotic cells. If required, stable transformants can be selected using G418 [Gorman, 1985].
Suitable host strains for propagation in
Location of features
PCMV IE: 1-589
Enhancer region: 59-465
TATA box: 554-560
Transcription start point: 583
Kozak consensus translation initiation site: 606-616
Start codon (ATG): 613-615
Stop codon: 1378-1380
Last amino acid in TurboGFP: 1306-1308
SV40 early mRNA polyadenylation signal
Polyadenylation signals: 1520-1525 & 1549-1554
mRNA 3' ends: 1558 & 1570
f1 single-strand DNA origin: 1617-2072
Bacterial promoter for expression of Kanr gene
-35 region: 2134-2139
-10 region: 2157-2162
Transcription start point: 2169
SV40 origin of replication: 2413-2548
SV40 early promoter
Enhancer (72-bp tandem repeats): 2246-2317 & 2318-2389
21-bp repeats: 2393-2413, 2414-2434 & 2436-2456
Early promoter element: 2469-2475
Major transcription start points: 2465, 2503, 2509 & 2514
Kanamycin/neomycin resistance gene
Neomycin phosphotransferase coding sequences:
Start codon (ATG): 2597-2599
Stop codon: 3389-3391
G->A mutation to remove Pst I site: 2779
C->A (Arg to Ser) mutation to remove BssH II site: 3125
Herpes simplex virus (HSV) thymidine kinase (TK) polyadenylation signal
Polyadenylation signals: 3627-3632 & 3640-3645
pUC plasmid replication origin: 3976-4619
TurboGFP-related materials (also referred to as "Products") are intended for research use only. The Products are covered by U.S. Pat. 7,678,893; European Pat. 1576157; and other Evrogen Patents and/or Patent applications pending. By use of these Products, you accept the terms and conditions of the applicable Limited Use Label License.
The CMV promoter is covered under U.S. Patents 5,168,062 and 5,385,839, and its use is permitted for research purposes only. Any other use of the CMV promoter requires a license from the University of Iowa Research Foundation, 214 Technology Innovation Center, Iowa City, IA 52242.
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