{"product_id":"h3f3a-antibody-bha10503663","title":"H3F3A Antibody","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis is a polyclonal anti-H3F3A antibody raised in Rabbit, with confirmed utility in ELISA, WB, IHC. Designed to detect H3F3A in Human, supporting researchers in epigenetics and nuclear signaling contexts.\u003c\/p\u003e\n\n\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmunogen:\u003c\/strong\u003e Recombinant Human Histone H3.3 protein (2-136AA) — determines the epitope region recognized; confirm epitope compatibility with your sample preparation and expected PTMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost (Rabbit):\u003c\/strong\u003e Requires anti-rabbit-IgG secondary reagents. Mismatched secondaries result in no signal. Consider host species when multiplexing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyclonal:\u003c\/strong\u003e Recognizes multiple epitopes — robust signal across varied preparations, with inherent lot-to-lot variability. Isotype controls and lot qualification recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsotype (IgG):\u003c\/strong\u003e Secondary antibodies and isotype controls must match IgG from Rabbit. Relevant for multiplexing and Protein A\/G compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurification (Protein G purification):\u003c\/strong\u003e Reduces non-specific immunoglobulin populations, improving signal-to-noise in quantitative immunoassay formats.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBiological background\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eH3F3A\u003c\/strong\u003e (also known as H3 histone family 3A, H3 histone family 3B, H3 histone, family 3B (H3.3B), H3.3, H3.3A, H3.3B, H33_HUMAN, H3F3, H3F3A, H3f3b, Histone H3.3, Histone H3.3Q, Histone H3.A, Histone H3.B, MGC87782, MGC87783) is a protein studied in Human systems. Expression levels, subcellular localization, and post-translational modifications vary across cell types, tissues, and disease states — factors that influence antibody-based detection outcomes. Researchers are encouraged to consult UniProt, NCBI Gene, and primary literature for current annotation of H3F3A biology relevant to epigenetics and nuclear signaling.\u003c\/p\u003e\n\n\u003ch2\u003eCommon research applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eELISA:\u003c\/strong\u003e Sandwich or indirect ELISA quantifies soluble\/secreted target in biological fluids or cell culture supernatants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWB:\u003c\/strong\u003e Western blot confirms target MW and detects isoforms\/fragments under denaturing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIHC:\u003c\/strong\u003e IHC visualizes target expression in FFPE or frozen sections; optimize antigen retrieval and secondary detection per tissue type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsotype controls:\u003c\/strong\u003e Include IgG from Rabbit at equivalent concentration to assess non-specific background.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-reactivity\/isoforms:\u003c\/strong\u003e Polyclonal preparations may cross-react with related proteins or isoforms — validate with siRNA KD, KO lysate, or recombinant protein controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatrix effects:\u003c\/strong\u003e Sample matrix (serum, plasma, lysate, homogenate) may influence performance; pilot dilution linearity and spike-recovery experiments before full quantitative studies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies reactivity:\u003c\/strong\u003e Confirmed for Human; extrapolation to untested species requires empirical validation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eThis product is a polyclonal antibody purified from rabbit antiserum.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- Sources (internal):\n- UniProt: https:\/\/www.uniprot.org\n- NCBI Gene: https:\/\/www.ncbi.nlm.nih.gov\/gene\n- Cusabio: https:\/\/www.cusabio.com\n- Human Protein Atlas: https:\/\/www.proteinatlas.org\n- PubMed: https:\/\/pubmed.ncbi.nlm.nih.gov\n--\u003e","brand":"CUSABIO TECHONOLOGY LLC","offers":[{"title":"50 ug","offer_id":53238660497773,"sku":"CSB-PA01435A0Rb-50UG","price":166.0,"currency_code":"USD","in_stock":true},{"title":"100 ug","offer_id":53238779871597,"sku":"CSB-PA01435A0Rb-100UG","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/CSB-PA01435A0Rb-WB.jpg?v=1776672727","url":"https:\/\/www.ebiohippo.com\/products\/h3f3a-antibody-bha10503663","provider":"BioHippo","version":"1.0","type":"link"}