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PMID:17509893
| Citation |
Guo, F, Li, SQ, Chu, YH, Huang, XF, Sun, LM, Li, YQ, Li, HJ and Zhou, TH (2007) High-level expression, polyclonal antibody preparation and sub-cellular localization analysis of mouse Rhox5 protein. Protein Expr. Purif. 54:247-52 |
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| Abstract |
Mouse reproductive homeobox on the X chromosome (Rhox) is a novel homeobox gene cluster. Rhox5, also called Pem, belongs to the beta subcluster of Rhox. Codon analysis indicated that the cDNA contains 16% of codons rarely used in Escherichia coli. To achieve high-level expression of Rhox5, the coding sequence of Rhox5 was amplified and subcloned into the prokaryotic expression vector pET22b (+) in order to produce 6His-tagged fusion protein in the modified BL21 (DE3) cells, namely Rosetta2 (DE3) cells. The 6His-tagged Rhox5 was expressed efficiently in Rosetta2 (DE3), compared with marginal expression in BL21 (DE3). The fusion protein amounted to 16% of the total bacterial proteins after induction with 0.4mM IPTG for 1.5h at 37 degrees C. After purification, Rhox5-6His was used to immunize New Zealand white rabbits following standard protocol. The homemade antiserum could detect both endogenous Rhox5 protein expressed in eukaryotic cells (Cos-7) and exogenous GFP-Rhox5 protein. Furthermore, the antiserum was used to determine the localization of Rhox5 in NIH3T3 cells using an immunofluorescence technique. The results demonstrated that Rhox5 was localized predominantly in the nucleus. Preparation of the anti-Rhox5 polyclonal antibody will facilitate further functional study of Rhox5. |
| Links |
PubMed Online version:10.1016/j.pep.2007.03.021 |
| Keywords |
Animals; Base Sequence; Blotting, Western; Cloning, Molecular; Escherichia coli/metabolism; Fluorescent Antibody Technique, Indirect; Homeodomain Proteins/biosynthesis; Homeodomain Proteins/immunology; Mice; Molecular Sequence Data; NIH 3T3 Cells; Rabbits; Recombinant Fusion Proteins/biosynthesis; Subcellular Fractions/metabolism; Transcription Factors/biosynthesis; Transcription Factors/immunology |
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Significance
Annotations
| Gene product | Qualifier | GO Term | Evidence Code | with/from | Aspect | Extension | Notes | Status |
|---|---|---|---|---|---|---|---|---|
| GO:0005634: nucleus |
ECO:0000314: |
C |
Fig. 7 Shows Rhox5 proteins in NIH3T3 cells using indirect fluorescence, the protein were tagged using anti-Rhox5 polyclonal antibody (a), the nucleus is shown by being tagged with Hochest 33258 in (d). |
complete | ||||
|
part_of |
GO:0005634: nucleus |
ECO:0000314: direct assay evidence used in manual assertion |
C |
Seeded From UniProt |
complete | |||
See also
References
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