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.
|TurboYFP||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.
pTurboYFP-C is a mammalian expression vector encoding yellow fluorescent protein TurboYFP (see reporter description). The vector allows generation of fusions to the TurboYFP C-terminus and expression of TurboYFP fusions or TurboYFP alone in eukaryotic (mammalian) cells.
TurboYFP 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 TurboYFP coding sequence [Kozak, 1987]. Multiple cloning site (MCS) is located between TurboYFP 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 TurboYFP 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 TurboYFP C-terminus when inserted in the same reading frame as TurboYFP and no in-frame stop codons are present. TurboYFP-tagged fusions retain fluorescent properties of the native protein allowing fusion localization in vivo. Unmodified vector will express TurboYFP when transfected into eukaryotic (mammalian) cells.
Note: The plasmid DNA was isolated from dam+-methylated
Expression in mammalian cells
pTurboYFP-C vector can be transfected into mammalian cells by any known transfection method. CMV promoter provides strong, constitutive expression of TurboYFP 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: 1420-1422
Last amino acid in TurboYFP: 1339-1341
SV40 early mRNA polyadenylation signal
Polyadenylation signals: 1562-1567 & 1591-1596
mRNA 3' ends: 1600 & 1612
f1 single-strand DNA origin: 1659-2114
Bacterial promoter for expression of Kanr gene
-35 region: 2176-2181
-10 region: 2199-2204
Transcription start point: 2211
SV40 origin of replication: 2455-2590
SV40 early promoter
Enhancer (72-bp tandem repeats): 2288-2359 & 2360-2431
21-bp repeats: 2435-2455, 2456-2476 & 2478-2498
Early promoter element: 2511-2517
Major transcription start points: 2507, 2545, 2551 & 2556
Kanamycin/neomycin resistance gene
Neomycin phosphotransferase coding sequences:
Start codon (ATG): 2639-2641
Stop codon: 3431-3433
G->A mutation to remove Pst I site: 2821
C->A (Arg to Ser) mutation to remove BssH II site: 3167
Herpes simplex virus (HSV) thymidine kinase (TK) polyadenylation signal
Polyadenylation signals: 3669-3674 & 3682-3687
pUC plasmid replication origin: 4018-4661
TurboYFP-related materials (also referred to as "Products") are intended for research use only. The Products are covered by U.S. Pat. 7,951,923; European Pat. 03779067; 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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