pFusionRed-Golgi

pFusionRed-Golgi vector

cat.# FP419

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.


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vector information:
ProductCat.#SizePrice
pFusionRed-GolgiFP41920 μg€ 480 / 240*
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Vector typemammalian expression vector
ReporterFusionRed
Reporter codon usagemammalian
Promoter for FusionRedPCMV IE
Host cellsmammalian
Selectionprokaryotic – kanamycin
eukaryotic – neomycin (G418)
Replicationprokaryotic – pUC ori
eukaryotic – SV40 ori
Use red fluorescent labeling of Golgi apparatus

Vector description

pFusionRed-Golgi is a mammalian expression vector intended for red fluorescent labeling of Golgi apparatus in living cells. The vector encodes red fluorescent protein FusionRed (see reporter description) fused to Golgi targeting sequence (GTS), the fragment of human β-1,4-galactosyltransferase. GTS is fused to the FusionRed N-terminus.

FusionRed codon usage is optimized for high expression in mammalian cells (humanized) [Haas et al., 1996].

pFusionRed-Golgi vector can be used as a source of FusionRed-GTS hybrid sequence. The vector backbone contains unique restriction sites that permit its excision and further insertion into expression vector of choice.

Note: The plasmid DNA was isolated from dam+-methylated E. coli. Therefore some restriction sites are blocked by methylation. If you wish to digest the vector using such sites you will need to transform the vector into a dam- host and make fresh DNA.

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 E. coli, and f1 origin for single-stranded DNA production. SV40 polyadenylation signals (SV40 poly A) direct proper processing of the 3'-end of the reporter mRNA.

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 E. coli. Kanr/Neor gene is linked with herpes simplex virus (HSV) thymidine kinase (TK) polyadenylation signals.


Expression in mammalian cells

pFusionRed-Golgi vector can be transfected into mammalian cells by any known transfection method. CMV promoter provides strong, constitutive expression of the FusionRed-GTS fusion in eukaryotic cells. If required, stable transformants can be selected using G418 [Gorman, 1985].


Propagation in E. coli

Suitable host strains for propagation in E. coli include DH5alpha, HB101, XL1-Blue, and other general purpose strains. Plasmid incompatibility group is pMB1/ColE1. The vector confers resistance to kanamycin (30 μg/ml) to E. coli hosts. Copy number in E. coli is about 500.


Location of features

PCMV IE: 1-589
Enhancer region: 59-465
TATA box: 554-560
Transcription start point: 583
Golgi targeting sequence (GTS), fragment of human beta 1,4- galactosyltransferase: 597-842
Start codon: 597-599
FusionRed: 864-1562
Stop codon: 1560-1562
SV40 early mRNA polyadenylation signal
Polyadenylation signals: 1715-1720 & 1744-1749
mRNA 3' ends: 1753 & 1765
f1 single-strand DNA origin: 1812-2267
Bacterial promoter for expression of Kanr gene
-35 region: 2329-2334
-10 region: 2352-2357
Transcription start point: 2364
SV40 origin of replication: 2608-2743
SV40 early promoter
Enhancer (72-bp tandem repeats): 2441-2512 & 2513-2584
21-bp repeats: 2588-2608, 2609-2629 & 2631-2651
Early promoter element: 2664-2670
Major transcription start points: 2660, 2698, 2704 & 2709
Kanamycin/neomycin resistance gene
Neomycin phosphotransferase coding sequences:
Start codon (ATG): 2792-2794
Stop codon: 3584-3586
G->A mutation to remove Pst I site: 2974
C->A (Arg to Ser) mutation to remove BssH II site: 3320
Herpes simplex virus (HSV) thymidine kinase (TK) polyadenylation signal
Polyadenylation signals: 3822-3827 & 3835-3840
pUC plasmid replication origin: 4171-4814


References:

  • Gorman C. High efficiency gene transfer into mammalian cells. In DNA cloning: A Practical Approach, Vol. II. Ed. D. M. Glover. (IRL Press, Oxford, U.K.). 1985; 143-90.
  • Haas J, Park EC, Seed B. Codon usage limitation in the expression of HIV-1 envelope glycoprotein. Curr Biol. 1996; 6 (3):315-24. / pmid: 8805248

Notice to Purchaser:

FusionRed-related materials (also referred to as "Products") are intended for research use only. The Products are covered by European Pat. 1994149 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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