{"product_id":"esxa-antibody-biotin-conjugated-bha10527879","title":"esxA Antibody, Biotin conjugated","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis polyclonal anti-esxA antibody raised in Rabbit, conjugated with Biotin, tested in ELISA. Designed to detect esxA in Staphylococcus aureus for others research.\u003c\/p\u003e\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmunogen:\u003c\/strong\u003e Recombinant Staphylococcus aureus ESAT-6 secretion system extracellular protein A protein (1-97AA) — determines epitope; confirm sample prep compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost (Rabbit):\u003c\/strong\u003e Requires anti-rabbit-IgG secondary matching isotype IgG.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyclonal:\u003c\/strong\u003e Multiple epitopes = robust signal; lot-to-lot variability — include controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsotype (IgG):\u003c\/strong\u003e Match secondary, Protein A\/G, and isotype controls to IgG.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurification (Protein G purification):\u003c\/strong\u003e Enriches Ig classes; reduces non-specific background.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiotin:\u003c\/strong\u003e Streptavidin\/avidin amplification; block endogenous biotin in biotin-rich samples.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBiological background\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eesxA\u003c\/strong\u003e (also: esxA, SAS0258Type VII secretion system extracellular protein A, Ess extracellular protein A) — studied in Staphylococcus aureus (strain MSSA476) systems. Expression, localization, and PTMs vary across cell types and disease states. Consult UniProt, NCBI Gene, and primary literature for current esxA annotation relevant to others.\u003c\/p\u003e\u003ch2\u003eCommon research applications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eELISA:\u003c\/strong\u003e Quantify soluble target; ensure samples within the linear detection range.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsotype controls:\u003c\/strong\u003e IgG from Rabbit at equivalent concentration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-reactivity:\u003c\/strong\u003e Polyclonal: validate with KO\/KD controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatrix effects:\u003c\/strong\u003e Verify dilution linearity in your sample matrix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReactivity:\u003c\/strong\u003e Confirmed for Staphylococcus aureus; extrapolation requires validation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eThis product is a polyclonal antibody purified from rabbit antiserum.\u003c\/em\u003e\u003c\/p\u003e\u003c!-- Sources: UniProt, NCBI Gene, Cusabio, Human Protein Atlas, PubMed --\u003e","brand":"CUSABIO TECHNOLOGY LLC","offers":[{"title":"50 ug","offer_id":53240806343021,"sku":"CSB-PA763968HD01SKW-50UG","price":170.98,"currency_code":"USD","in_stock":true},{"title":"100 ug","offer_id":53240906613101,"sku":"CSB-PA763968HD01SKW-100UG","price":307.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/Cusabio_Antibody_Placeholder_1b9e44fe-339f-4e38-97f3-f0e3c9f8b910.jpg?v=1784926868","url":"https:\/\/www.ebiohippo.com\/products\/esxa-antibody-biotin-conjugated-bha10527879","provider":"BioHippo","version":"1.0","type":"link"}