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.
pTagGFP2-mito is a mammalian expression vector intended for green fluorescent labeling of mitochondria in living cells. The vector encodes green fluorescent protein TagGFP2 (see reporter description) fused to mitochondrial targeting sequence (MTS) derived from the subunit VIII of human cytochrome C oxidase [Rizzuto et al., 1989; Rizzuto et al., 1995]. MTS is fused to the TagGFP2 N-terminus.
Transiently transfected REF-52 cells expressing mitochondria-targeted TagGFP2.
TagGFP2 codon usage is optimized for high expression in mammalian cells (humanized) [Haas et al., 1996].
pTagGFP2-mito vector can be used as a source of TagGFP2-MTS 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
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
Expression in mammalian cells
pTagGFP2-mito vector can be transfected into mammalian cells by any known transfection method. CMV promoter provides strong, constitutive expression of the TagGFP2-MTS fusion 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
Start codon (ATG): 597-599
Mitochondrial targeting sequence (MTS): 597-683
Start of TagGFP2 coding sequence (ATG): 705-707
Stop codon: 1419-1421
SV40 early mRNA polyadenylation signal
Polyadenylation signals: 1574-1579 & 1603-1608
mRNA 3' ends: 1612 & 1624
f1 single-strand DNA origin: 1671-2126
Bacterial promoter for expression of Kanr gene
-35 region: 2188-2193
-10 region: 2211-2216
Transcription start point: 2223
SV40 origin of replication: 2467-2602
SV40 early promoter
Enhancer (72-bp tandem repeats): 2300-2371 & 2372-2443
21-bp repeats: 2447-2467, 2468-2488 & 2490-2510
Early promoter element: 2523-2529
Major transcription start points: 2519, 2557, 2563 & 2568
Kanamycin/neomycin resistance gene
Neomycin phosphotransferase coding sequences:
Start codon (ATG): 2651-2653
Stop codon: 3443-3445
G->A mutation to remove Pst I site: 2833
C->A (Arg to Ser) mutation to remove BssH II site: 3179
Herpes simplex virus (HSV) thymidine kinase (TK) polyadenylation signal
Polyadenylation signals: 3681-3686 & 3694-3699
pUC plasmid replication origin: 4030-4673
TagGFP2-related materials (also referred to as "Products") are intended for research use only. The Products are covered by U.S. Pat. 7,417,131; 7,605,230; 7,888,113; European Pat. 06809023; 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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