{"product_id":"anti-hsf4-antibody-picoband-bha21000535","title":"Anti-HSF4 Antibody Picoband®","description":"\u003ch2\u003eOverview\u003c\/h2\u003e \u003cp\u003eThis antibody is intended for detection of \u003cstrong\u003eHSF4 (Heat shock factor protein 4)\u003c\/strong\u003e in biological samples using common immunoassay formats. It is typically selected based on target identity, species reactivity, clonality\/clone information, and detection modality.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eVendor notes:\u003c\/em\u003e Boster Bio Anti-HSF4 Antibody Picoband® catalog # PB9634. Tested in WB applications. This antibody reacts with Human. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.\u003c\/p\u003e \u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAntibody format:\u003c\/strong\u003e Rabbit Polyclonal Rabbit IgG\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImmunogen \/ epitope context:\u003c\/strong\u003e A synthetic peptide corresponding to a sequence at the N-terminus of human HSF4, different from the related mouse sequence by two amino acids.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolecular weight context:\u003c\/strong\u003e reported MW: 53 kDa; calculated MW: 53011 MW\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReactivity:\u003c\/strong\u003e Human\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e WB\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eAs a polyclonal antibody, the reagent recognizes multiple epitopes on the target, which can improve detection robustness but may increase sensitivity to sample-dependent epitope changes.\u003c\/p\u003e \u003ch2\u003eBiological background\u003c\/h2\u003e \u003cp\u003eHeat shock factor protein 4; Heat shock factor protein 4. Heat shock factor protein 4 is a protein that in humans is encoded by the HSF4 gene. It is mapped to 16q21. Heat-shock transcription factors (HSFs) activate heat-shock response genes under conditions of heat or other stresses. HSF4 lacks the carboxyl-terminal hydrophobic repeat which is shared among all vertebrate HSFs and has been suggested to be involved in the negative regulation of DNA binding activity. Two alternatively spliced transcripts encoding distinct isoforms and possessing different transcriptional activity have been described. Functional note: DNA-binding protein that specifically binds heat shock promoter elements (HSE). Isoform HSF4A represses transcription while the isoform HSF4B activates transcription. . Reported localization: Nucleus. Expression\/tissue context: Expressed in heart, skeletal muscle, eye and brain, and at much lower levels in some other tissues. .\u003c\/p\u003e \u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eChromatin Binding Proteins: Researchers commonly examine how HSF4 (Heat shock factor protein 4) relates to this theme using model systems and orthogonal readouts.\u003c\/li\u003e\n\u003cli\u003eDNA\/RNA Binding: Researchers commonly examine how HSF4 (Heat shock factor protein 4) relates to this theme using model systems and orthogonal readouts.\u003c\/li\u003e\n\u003cli\u003eEpigenetics and Nuclear Signaling: Researchers commonly examine how HSF4 (Heat shock factor protein 4) relates to this theme using model systems and orthogonal readouts.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eCommon research applications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eWestern blotting: compare relative HSF4 (Heat shock factor protein 4) levels across conditions; band patterns may reflect isoforms and processing.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpecificity notes:\u003c\/strong\u003e No cross reactivity with other proteins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCross-reactivity:\u003c\/strong\u003e No cross-reactivity with other proteins\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFamily \/ similarity context:\u003c\/strong\u003e Contains 1 HMG box DNA-binding domain.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIsoforms and PTMs:\u003c\/strong\u003e Apparent size and signal patterns can differ across splice isoforms, proteolytic processing, and post-translational modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Include an isotype control (as relevant), no-primary control for imaging, and orthogonal validation such as KD\/KO samples when available.\u003c\/li\u003e \u003c\/ul\u003e \u003c!-- Sources (internal): - UniProt entry for Q9ULV5: https:\/\/www.uniprot.org\/uniprotkb\/Q9ULV5\/entry - PubMed search (HSF4): https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=HSF4 - NCBI Gene search (HSF4): https:\/\/www.ncbi.nlm.nih.gov\/gene\/?term=HSF4 - Antibody validation concepts (NIH): https:\/\/www.nih.gov\/research-training\/rigor-reproducibility --\u003e","brand":"Boster Bio","offers":[{"title":"100 ug\/vial \/ Unconjugated","offer_id":53066828972397,"sku":"PB9634","price":370.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Biotin","offer_id":53067081417069,"sku":"PB9634-Biotin","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Cy3","offer_id":53067081449837,"sku":"PB9634-Cy3","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Fluoro488","offer_id":53067081482605,"sku":"PB9634-Fluoro488","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Fluoro550","offer_id":53067081515373,"sku":"PB9634-Fluoro550","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Fluoro594","offer_id":53067081548141,"sku":"PB9634-Fluoro594","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ FITC","offer_id":53067081580909,"sku":"PB9634-FITC","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ HRP","offer_id":53067081613677,"sku":"PB9634-HRP","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ APC","offer_id":53067081646445,"sku":"PB9634-APC","price":820.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ PE","offer_id":53067081679213,"sku":"PB9634-PE","price":820.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Fluoro647","offer_id":53067081711981,"sku":"PB9634-Fluoro647","price":670.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Carrier Free","offer_id":53067081744749,"sku":"PB9634-carrier-free","price":370.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/pb9634-1-WB-anti-hsf4-picoband-antibody.jpg?v=1772608168","url":"https:\/\/www.ebiohippo.com\/products\/anti-hsf4-antibody-picoband-bha21000535","provider":"BioHippo","version":"1.0","type":"link"}