{"product_id":"recombinant-avian-paramyxovirus-4-nucleocapsid-np-bhp10515205","title":"Recombinant avian paramyxovirus 4 Nucleocapsid (NP)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRecombinant avian paramyxovirus 4 Nucleocapsid (NP) is a recombinant protein preparation derived from avian paramyxovirus 4. It is commonly used as a defined reagent for assay development, binding studies, and analytical controls where consistent protein specifications are required.\u003c\/p\u003e\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpressed region:\u003c\/strong\u003e 1-457aa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpression system:\u003c\/strong\u003e Mammalian cell (may influence folding and post-translational modifications).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTag\/format:\u003c\/strong\u003e C-terminal hFc1-tagged; Liquid or Lyophilized powder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpected size:\u003c\/strong\u003e 81.0 kDa (as provided).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e Greater than 90% as determined by SDS-PAGE.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRegion choice, expression system, and tag\/format can influence folding, post-translational modifications, and interaction behavior in downstream assays.\u003c\/p\u003e\u003ch2\u003eBiological background\u003c\/h2\u003e\u003cp\u003eNP is a viral protein target frequently used in serology and antibody discovery workflows, where defined antigens enable consistent comparisons across samples and studies.\u003c\/p\u003e\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAntigen design and domain selection to better capture neutralizing versus non-neutralizing antibody responses.\u003c\/li\u003e\n\u003cli\u003eHigh-throughput serology and antibody screening using standardized antigens and plate-based formats.\u003c\/li\u003e\n\u003cli\u003eIntegrating binding kinetics with epitope mapping to support variant-aware immunology studies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon research applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoat plates with NP antigen for ELISA antibody titration (serum\/plasma).\u003c\/li\u003e\n\u003cli\u003eScreen anti-NP antibodies by indirect ELISA and immunoblot readouts.\u003c\/li\u003e\n\u003cli\u003eMap antigenic epitopes using NP fragments\/domains (in vitro binding assays).\u003c\/li\u003e\n\u003cli\u003eDevelop antigen-capture assays using NP as a standard (spike-in controls).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInterpret results in the context of the biological system, assay format, and any known domain\/isoform constraints for the target.\u003c\/p\u003e\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAntigenic proteins may contain immunodominant regions; domain choice can affect assay readouts and cross-reactivity.\u003c\/li\u003e\n\u003cli\u003eInclude relevant negative controls (e.g., unrelated antigens) and dilution series to support interpretation of binding signals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c!-- Sources (internal): - UniProtKB entry (B6UPM5) — UniProt: https:\/\/www.uniprot.org\/uniprotkb\/B6UPM5 - NCBI Gene search (NP) — NCBI: https:\/\/www.ncbi.nlm.nih.gov\/gene\/?term=NP - PubMed search — NLM: https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=NP - Reactome pathway browser — Reactome: https:\/\/reactome.org\/ - InterPro protein family resource — EMBL-EBI: https:\/\/www.ebi.ac.uk\/interpro\/ --\u003e","brand":"CUSABIO TECHNOLOGY LLC","offers":[{"title":"1 mg","offer_id":53059283288429,"sku":"CSB-MP6450-1MG","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"100 ug","offer_id":53059411935597,"sku":"CSB-MP6450-100UG","price":370.0,"currency_code":"USD","in_stock":true},{"title":"20 ug","offer_id":53059411968365,"sku":"CSB-MP6450-20UG","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/CSB-MP6450-SDS.jpg?v=1772280241","url":"https:\/\/www.ebiohippo.com\/products\/recombinant-avian-paramyxovirus-4-nucleocapsid-np-bhp10515205","provider":"BioHippo","version":"1.0","type":"link"}