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Immunofluorescent analysis of Rex1 in HeLa cells using a Rex1 recombinant rabbit monoclonal antibody (Product # 701159) followed by detection using an Alexa Fluor 488-conjugated goat anti-rabbit secondary antibody (green) (Image A). Nuclei were stained using DAPI (Image B) and actin stained with Alexa Fluor 594 phalloidin (red) (image C). Image D is a composite image showing nuclear localization of Rex1.
|Tested species reactivity||Dog, Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Recombinant protein corresponding to amino acids 1–140 of human REX1 transcription factor|
|Contains||0.09% sodium azide|
|Storage Conditions||Maintain refrigerated at 2-8°C for up to 1 month. For long term storage store at -20°C|
|Tested Applications||Dilution *|
|Immunocytochemistry (ICC)||1-3 ug/ml|
|Immunofluorescence (IF)||1-3 ug/ml|
|Western Blot (WB)||2-5 ug/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
ABfinity™ recombinant antibodies are rabbit monoclonal antibodies, unmatched for producing superior results. ABfinity™ antibodies are developed by immunizing animals, screening for functionality, cloning the immunogen-specific antibody genes into high-level mammalian expression vectors, produced on a large scale, and purified with Protein A.
ABfinity™ monoclonal antibodies resemble rabbit monoclonals isolated from serum or produced by hybridomas, but demonstrate greater specificity and sensitivity. Because ABfinity™ recombinant antibodies are derived from cloned DNA sequences of the heavy and light antibody chains, they are not susceptible to cell-line drift or lot-to-lot variation, thus allowing for peak specificity and performance.
Intact IgG appears on a non-reducing gel as ~150 kDa band and upon reduction generating a ~25 kDa light chain band and a ~50 kDa heavy chain.
Rex1 is an exonuclease domain-containing transcription factor protein that can bind to Elongin. The Elongin complex stimulates the rate of transcription elongation by RNA polymerase II through suppression of transient pauses of the polymerase at various sites along the DNA template. Rex1 is a putative stem cell marker that is highly expressed in embryonic and adult stem cells.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
hREX-1; Reduced expression protein 1; REX-1; REX1; REX1 transcription factor; Zfp-42; Zinc finger protein 42 homolog; Zinc finger protein 754; ZNF754
REX-1; REX1; zfp-42; ZFP42; ZNF754