{"product_id":"c4bpa-antibody-biotin-conjugated-bha10500764","title":"C4BPA Antibody, Biotin conjugated","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis is a polyclonal anti-C4BPA antibody raised in Rabbit, conjugated with Biotin, with confirmed utility in ELISA. Designed to detect C4BPA in Human, supporting researchers in immunology 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 C4b-binding protein alpha chain protein (49-597AA) — 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\u003cli\u003e\n\u003cstrong\u003eBiotin conjugate:\u003c\/strong\u003e Signal amplification via streptavidin\/avidin-coupled reporters. Block endogenous biotin in liver, kidney, or biotin-supplemented samples.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBiological background\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eC4BPA\u003c\/strong\u003e (also known as C4b-binding protein alpha chain, C4bp, C4bpa, C4BPA_HUMAN, Complement component 4 binding protein alpha, Complement component 4 binding protein, Proline-rich protein, PrP, RP11-164O23.4) 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 C4BPA biology relevant to immunology.\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\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 TECHNOLOGY LLC","offers":[{"title":"50 ug","offer_id":53238412345709,"sku":"CSB-PA003951LD01HU-50UG","price":170.98,"currency_code":"USD","in_stock":true},{"title":"100 ug","offer_id":53238523330925,"sku":"CSB-PA003951LD01HU-100UG","price":307.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/CSB-PA003951LA01HU-IHC-1_34172b47-61fb-4062-93a0-822c71670adb.jpg?v=1782237447","url":"https:\/\/www.ebiohippo.com\/products\/c4bpa-antibody-biotin-conjugated-bha10500764","provider":"BioHippo","version":"1.0","type":"link"}