{"product_id":"recombinant-mycobacterium-tuberculosis-esat-6-like-protein-esxb-esxb-bhp10507526","title":"Recombinant Mycobacterium tuberculosis ESAT-6-like protein EsxB (esxB)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis Recombinant Protein provides recombinant \u003cstrong\u003eesxB\u003c\/strong\u003e from Mycobacterium tuberculosis (strain CDC 1551 \/ Oshkosh), produced in E.coli (region 2-100aa). It is commonly used as a defined reagent for assay development, binding studies, and mechanistic research (RUO).\u003c\/p\u003e\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegion:\u003c\/strong\u003e 2-100aa (domain boundaries can affect binding\/activity readouts).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpression host:\u003c\/strong\u003e E.coli (may differ from native PTMs\/processing).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTag(s):\u003c\/strong\u003e His, SUMO (supports purification\/detection; consider tag effects in controls).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBiological background\u003c\/h2\u003e\u003cp\u003eAlso reported as 10KDA culture filtrate antigen CFP-10 Secreted antigenic protein MTSA-10. A secreted protein. Acts as a strong host T-cell antigen. Involved in translocation of bacteria from the host (human) phagolysosome to the host cytoplasm. Might serve as a chaperone to prevent uncontrolled membrane lysis by its partner EsxA.\u003c\/p\u003e\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eUse of recombinant standards to improve assay calibration and cross-study comparability.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCommon research applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard curve or spike-in reference for quantitative assays involving esxB\u003c\/li\u003e\n\u003cli\u003eBinding and specificity benchmarking for detection reagents (conceptual)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRecombinant constructs may not capture all native isoforms or PTMs.\u003c\/li\u003e\n\u003cli\u003eConsider tag- or host-related effects when interpreting binding or activity.\u003c\/li\u003e\n\u003cli\u003eUse appropriate blanks and matrix\/control concepts to separate signal from background.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c!-- Sources (internal): - UniProtKB P9WNK4 — UniProt — https:\/\/www.uniprot.org\/uniprotkb\/P9WNK4 - NCBI Gene search: esxB — NCBI — https:\/\/www.ncbi.nlm.nih.gov\/gene\/?term=esxB - Ensembl search: esxB — Ensembl — https:\/\/www.ensembl.org\/Multi\/Search\/Results?q=esxB - Reactome Pathway Browser — Reactome — https:\/\/reactome.org\/ - NCBI Bookshelf — NCBI — https:\/\/www.ncbi.nlm.nih.gov\/books\/ --\u003e","brand":"CUSABIO TECHNOLOGY LLC","offers":[{"title":"1 mg","offer_id":53053415817581,"sku":"CSB-EP363658MVZb2-1MG","price":2466.0,"currency_code":"USD","in_stock":true},{"title":"100 ug","offer_id":53053553279341,"sku":"CSB-EP363658MVZb2-100UG","price":729.0,"currency_code":"USD","in_stock":true},{"title":"20 ug","offer_id":53053553312109,"sku":"CSB-EP363658MVZb2-20UG","price":388.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/CSB-EP363658MVZ-SDS_1e42af51-805e-4430-a7cc-911132348499.jpg?v=1772177683","url":"https:\/\/www.ebiohippo.com\/products\/recombinant-mycobacterium-tuberculosis-esat-6-like-protein-esxb-esxb-bhp10507526","provider":"BioHippo","version":"1.0","type":"link"}