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Immunofluorescence analysis of ERK1 was done on 70% confluent log phase U2OS cells. The cells were fixed with 4% paraformaldehyde for 15 minutes; permeabilized with 0.25% Triton™ X-100 for 10 minutes followed by blocking with 5% BSA for 1 hour at room temperature. The cells were incubated with ABfinity™ ERK1 Recombinant Rabbit Monoclonal Antibody (701183) at 2 µg-4 µg in 1% BSA and incubated for 3 hours at room temperature and then labeled with Alexa Flour® 488 Goat Anti-Rabbit IgG Secondary Antibody (A11008) at a dilution of 1:400 for 30 minutes at room temperature (Panel a: green). Nuclei (Panel b: blue) were stained with SlowFade® Gold Antifade Mountant with DAPI (S36938). F-actin (Panel c: red) was stained with Alexa Fluor® 594 Phalloidin (A12381). Panel d is a merged image showing cytoplasmic localization of ERK1. Panel e shows no primary antibody. The images were captured at 20X magnification.
|Tested species reactivity||Human, Rat|
|Host / Isotype||Rabbit / IgG|
|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 *|
|Flow Cytometry (Flow)||2-4µg/10^6 cells|
|Western Blot (WB)||0.5-1µg/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.
ERK-1 is a classical MAP kinase involved in intracellular signaling in response to extracellular stimulus. ERK-1 is activated by growth factors, hormones, and phorbol esters. ERKs are widely expressed in different cells, and are involved in control of cell proliferation, cell differentiation, and cytoskeletal regulation. ERK-1 is a serine/threonine kinase which phosphorylates cytoplasmic signaling molecules, cell surface receptors, transcription factors, and microtubule associated proteins upon activation by molecules upstream in the signal transduction pathway.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
extracellular signal-regulated kinase 1; extracellular signal-related kinase 1; insulin-stimulated MAP2 kinase; MAP kinase 1; MAP kinase 3; MAP kinase isoform p44; MAPK 1; MAPK 3; microtubule-associated protein 2 kinase; mitogen-activated 3; mitogen-activated protein kinase 1; mitogen-activated protein kinase 3; p44-MAPK; P44MAPK; PRKM3
ERK-1; ERK1; ERT2; Esrk1; HS44KDAP; HUMKER1A; MAPK1; MAPK3; MNK1; p44; p44-ERK1; p44-MAPK; P44ERK1; P44MAPK; PRKM3