{"product_id":"phospho-c-raf-antibody-ps621-bha17109774","title":"Phospho-c-Raf Antibody (pS621)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003ePhospho-c-Raf Antibody (pS621) is a research-use antibody directed against \u003cstrong\u003ePHOSPHO-C-RAF\u003c\/strong\u003e. It is supplied for use in common immunoassay contexts such as WB (RUO).\u003c\/p\u003e\n\n\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003e\n\u003cstrong\u003eTarget:\u003c\/strong\u003e PHOSPHO-C-RAF.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eDescription (provided):\u003c\/strong\u003e the membrane-associated Ras GTPases and the MAPK\/ERK cascade, and this critical regulatory link functions as a switch determining cell fate decisions including proliferation, differentiation, apoptosis, survival and oncogenic transformation.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAntibody type:\u003c\/strong\u003e Rabbit, clone IOF-18, Rabbit IgG.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Purified; Affinity purified.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eSpecies reactivity:\u003c\/strong\u003e tested: Human.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eImmunogen (if provided):\u003c\/strong\u003e A synthetic peptide specific to human Raf1 (surrounding pS621) was used as the immunogen for the phospho-c-Raf antibody..\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe information above helps you match the antibody format to your assay context, interpret species-dependent differences, and anticipate how epitope context (isoforms, PTMs, or conformational state) may influence signal.\u003c\/p\u003e\n\n\u003ch2\u003eBiological background\u003c\/h2\u003e\n\u003cp\u003eSerine\/threonine-protein kinase that acts as a regulatory link between the membrane-associated Ras GTPases and the MAPK\/ERK cascade, and this critical regulatory link functions as a switch determining cell fate decisions including proliferation, differentiation, apoptosis, survival and oncogenic transformation. RAF1 activation initiates a mitogen-activated protein kinase (MAPK) cascade that comprises a sequential phosphorylation of the dual-specific MAPK kinases (MAP2K1\/MEK1 and MAP2K2\/MEK2) and the extracellular signal-regulated kinases (MAPK3\/ERK1 and MAPK1\/ERK2). [UniProt]\u003c\/p\u003e\n\u003cp\u003eFor curated annotations (gene\/protein naming, domains, isoforms, and pathway links) for PHOSPHO-C-RAF, consult primary databases such as UniProt, NCBI Gene, and Ensembl.\u003c\/p\u003e\n\n\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003eContext-dependent expression studies: researchers often examine PHOSPHO-C-RAF abundance and localization across perturbations (genetic, pharmacologic, or environmental) to connect phenotype to molecular changes.\u003c\/li\u003e  \u003cli\u003eReagent reproducibility: there is growing emphasis on antibody specificity checks using orthogonal approaches (e.g., genetic perturbation or independent antibodies) and transparent reporting of clone\/lot information.\u003c\/li\u003e  \u003cli\u003eMulti-modal datasets: antibody-based readouts are increasingly combined with transcriptomics and imaging to relate protein-level measurements to cell-state transitions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon research applications\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003eWestern blotting (immunoblot) for relative detection of target protein abundance and apparent molecular weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen comparing conditions, interpret changes in signal in the context of sample composition, expected localization, and any known isoform complexity for the target.\u003c\/p\u003e\n\n\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003e\n\u003cstrong\u003eIsoforms and PTMs:\u003c\/strong\u003e alternative splicing or post-translational modifications can change epitope accessibility and apparent molecular weight; interpret bands\/signals accordingly.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eCross-reactivity and matrix effects:\u003c\/strong\u003e background binding can vary by sample type, species, and blocking\/detection chemistries; include appropriate negative controls.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eControl concepts:\u003c\/strong\u003e where feasible, use genetic perturbation (KO\/KD\/overexpression), orthogonal assays, or independent antibodies to support specificity claims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAntibody considerations:\u003c\/strong\u003e Polyclonal reagents may recognize multiple epitopes and can increase sensitivity but may show broader binding profiles, while monoclonal clones provide a single-epitope readout that can improve consistency across experiments. If a conjugate is listed, the antibody supports more direct detection workflows; otherwise, it is typically used with a compatible secondary antibody.\u003c\/p\u003e\n\n\u003c!-- Sources (internal):\n- UniProtKB entry for PHOSPHO-C-RAF (UniProt): https:\/\/www.uniprot.org\/uniprotkb\/P04049\n- NCBI Gene search for PHOSPHO-C-RAF (NCBI): https:\/\/www.ncbi.nlm.nih.gov\/gene\/?term=PHOSPHO-C-RAF\n- Ensembl gene search for PHOSPHO-C-RAF (Ensembl): https:\/\/www.ensembl.org\/Multi\/Search\/Results?q=PHOSPHO-C-RAF\n- Antibody validation “5 pillars” (Nature Methods, 2016): https:\/\/www.nature.com\/articles\/nmeth.3995\n- NIH replication \u0026 reproducibility resources (NIH): https:\/\/www.nih.gov\/replicationandreproducibility\n- Human Protein Atlas search for PHOSPHO-C-RAF (HPA): https:\/\/www.proteinatlas.org\/search\/PHOSPHO-C-RAF\n--\u003e","brand":"NSJ Bioreagents","offers":[{"title":"Antibody in PBS with 0.02% sodium azide, 50% glycerol and 0.4-0.5mg\/ml BSA \/ 100 ul","offer_id":53044492009837,"sku":"RQ5031","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/get_image_751c734a-863e-4344-b9cb-bcb1c4775d6c.jpg?v=1771939018","url":"https:\/\/www.ebiohippo.com\/products\/phospho-c-raf-antibody-ps621-bha17109774","provider":"BioHippo","version":"1.0","type":"link"}