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莊盟生物

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產(chǎn)品名稱:pDsRed2-Peroxi

貨號 規(guī)格 價格 訂購數(shù)量 是否現(xiàn)貨
ZK528 1μg(20μl,50ng/μl) 870 - + 有貨

基本信息

啟動子:

CMV

復(fù)制子:

pUC

終止子:

SV40 poly(A) signal

質(zhì)粒分類:

哺乳系列質(zhì)粒;哺乳熒光質(zhì)粒;哺乳紅色質(zhì)粒

質(zhì)粒大小:

4644bp

質(zhì)粒標簽:

N-DsRed2,C-peroxi

原核抗性:

Kan

真核抗性:

G418

克隆菌株:

DH5a

培養(yǎng)條件:

37℃,5%CO2

表達宿主:

293T等哺乳細胞

誘導(dǎo)方式:

無須誘導(dǎo),瞬時表達

5'測序引物:

CMV-F(CGCAAATGGGCGGTAGGCGTG)

3'測序引物:

Sv40-polyA-R(GAAATTTGTGATGCTATTGC)


質(zhì)粒屬性

質(zhì)粒宿主:

哺乳細胞

質(zhì)粒用途:

定位

片段類型:


片段物種:


原核抗性:

Kan

真核抗性:

G418

熒光標記:



質(zhì)粒簡介

pDsRed2-Peroxi是一種哺乳動物表達載體,其編碼Discosoma sp紅色熒光蛋白(DsRed2)和過氧化物酶體靶向信號1(PTS1).PTS1序列與DsRed2的3'末端融合,DsRed變體設(shè)計用于更快的成熟和較低的非特異性聚集.PTS1序列編碼三肽SKL,其中將DsRed2-PTS1融合蛋白靶向過氧化物酶體基質(zhì)。

pDsRed2-Peroxi is a mammalian expression vector that encodes a fusion of Discosoma sp. Red fluorescent protein (DsRed2; 1, 2) and the peroxisomal targeting signal 1 (PTS1). The PTS1 sequence is fused to the 3'-end of DsRed2, a DsRed variant engineered for faster maturation and lower non-specific aggregation. The PTS1 sequence encodes the tripeptide SKL, which targets the DsRed2-PTS1 fusion protein to the matrix of peroxisomes (3–6).

To drive expression of DsRed2-PTS1, this vector contains the immediate early promoter of cytomegalovirus (PCMV IE). SV40 polyadenylation signals downstream of the DsRed2 gene direct proper processing of the 3'-end of the DsRed2-PTS1 mRNA transcript. Because it encodes DsRed2, a gene variant that uses human-preferred codons (7), the DsRed2-PTS1 transcript is suited for efficient translation in mammalian cells. To further increase the translational efficiency of DsRed2-PTS1, upstream sequences have been converted to a Kozak consensus translation initiation site (8). The vector also contains an SV40 origin for replication in any mammalian cell line that expresses the SV40 T-antigen, a pUC origin of replication for propagation in E. coli, and an f1 origin for single-stranded DNA production. A neomycin resistance cassette—consisting of the SV40 early promoter (PSV40e), the neomycin/kanamycin resistance gene of Tn5 (Neor/Kanr), and polyadenylation signals from the herpes simplex virus thymidine kinase (HSV TK polyA) gene—allow stably transfected eukaryotic cells to be selected using G418 (9). A bacterial promoter (P) upstream of this cassette drives expression of the gene encoding kanamycin resistance in E. coli.

pDsRed2-Peroxi is designed for fluorescent labeling of peroxisomes. The vector can be introduced into mammalian cells using any standard transfection method. If required, stable transformants can be selected using G418 (9). The DsRed2-PTS1 fusion (excitation/emission maxima: 558 nm/583 nm) can be detected by fluorescence microscopy and by flow cytometry. Filter sets optimized for detecting DsRed by microscopy are available from Chroma Technology Corporation and Omega Optical Inc. Please see their websites (www.chroma.com and www.omegafilters.com) and the Living Colors? Vol. II User Manual, provided with this vector, for more information. To detect DsRed2-PTS1-expressing cells by flow cytometry, use the instrument’s argon-ion laser to excite the fluorophore at 488 nm and the FL-2 channel to detect the fluorophore’s emission at 583 nm.

? Suitable host strains: DH5α, HB101 and other general purpose strains. Single-stranded DNA production requires a host containing an F plasmid such as JM101 or XL1-Blue.

? Selectable marker: plasmid confers resistance to kanamycin (50 μg/ml) to E. coli hosts.

? E. coli replication origin: pUC

? Copy number: ~500

? Plasmid incompatibility group: pMB1/ColE1


質(zhì)粒圖譜


質(zhì)粒序列

質(zhì)粒序列請下載:ZK528pDsRed2-Peroxi過氧化物酶體定位質(zhì)粒.txt

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總價格:¥2000
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