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pEGFP-C3(荧光蛋白报告载体)

简要描述:pEGFP-C3(荧光蛋白报告载体)pEGFP-C3 encodes a red-shifted variant of wild-type GFP (1–3) which has been optimized for brighter fluorescence and higher e­xpression in mammalian cells.

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  • 更新时间:2022-09-19
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详细介绍

品牌Rfect供货周期现货
应用领域医疗卫生,化工,生物产业,农业,制药

pEGFP-C3(荧光蛋白报告载体)

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货号
规格
目录价(元)
网购价(元)
ZL21016
10ul质粒(200ng/ul)+300ul甘油菌
560
电议
ZL21016-24.8ug质粒、6ul300电议





pEGFP-C3(荧光蛋白报告载体)载体描述

pEGFP-C3 encodes a red-shifted variant of wild-type GFP (1–3) which has been optimized for brighter fluorescence and higher e­xpression in mammalian cells. (Excitation maximum = 488 nm;emission maximum = 507 nm.) pEGFP-C3 encodes the GFPmut1 variant (4) which contains the double-amino-acid substitution of Phe-64 to Leu and Ser-65 to Thr. The coding sequence of the EGFP gene contains more than 190 silent base changes which correspond to human codon-usage preferences (5). Sequences flanking EGFP have been converted to a Kozak consensus translation initiation site (6) to further increase the translation efficiency in eukaryotic cells. The MCS in pEGFP-C3 is between the EGFP coding sequences and the SV40 poly A. Genes cloned into the MCS will be expressed as fusions to the C terminus of EGFP if they are in the same reading frame as EGFP and there are no intervening stop codons. SV40 poly adenylation signals downstream of the EGFP gene direct proper processing of the 3' end of the EGFP mRNA. The vector backbone also contains an SV40 origin for replication in mammalian cells expressing the SV40 T-antigen. Aneomycin resistance cassette (Neor), consisting of the SV40 early promoter, the neomycin/kanamycin resistance gene of Tn5, and poly adenylation signals from the Herpes simplex virus thymidine kinase (HSV TK) gene, allows stably transfected eukaryotic cells to be selected using G418. A bacterial promoter upstream of this cassette expresses kanamycin resistance in E. coli. The pEGFP-C3 backbone also provides a pUC origin of replication for propagation in E. coli and an f1origin for single-stranded DNA production.

载体应用

Fusions to the C terminus of EGFP retain the fluorescent properties of the native protein allowing the localization of the fusion protein in vivo. The target gene should be cloned into pEGFP-C3 so that it is in frame with the EGFP coding sequences, with no intervening in-frame stop codons. The recombinant EGFP vector can be transfected into mammalian cells using any standard transfection method. If required, stable transformants can be selected usingG418 (7). pEGFP-C3 can also be used simply to express EGFP in a cell line of interest (e.g., as a transfection marker).




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