{"product_id":"recombinant-human-eukaryotic-translation-initiation-factor-3-subunit-f-eif3f-bhp10509603","title":"Recombinant Human Eukaryotic translation initiation factor 3 subunit F (EIF3F)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e \u003cp\u003eRecombinant Human Eukaryotic translation initiation factor 3 subunit F (EIF3F) is a recombinant protein reagent derived from Homo sapiens (Human) and produced in E.coli. It is commonly used to support Metabolism research by enabling binding assays, assay development and protein–protein interaction studies in controlled in vitro settings.\u003c\/p\u003e \u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExpressed region:\u003c\/strong\u003e 2-357aa. Region selection can focus on functional domains, improve solubility, or isolate interaction surfaces for targeted studies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExpression system:\u003c\/strong\u003e E.coli. Expression host can influence folding and the presence\/absence of post-translational modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTag \/ fusion:\u003c\/strong\u003e N-terminal 10xHis-tagged. Tags can support purification and detection; evaluate potential tag effects when studying sensitive interactions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolecular weight (reported):\u003c\/strong\u003e 43.5 kDa. Apparent size may vary with tags, processing, and gel conditions.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWhen comparing results across batches or platforms, interpret signals in the context of construct design (region, tags) and expression host, especially for modification-dependent interactions.\u003c\/p\u003e \u003ch2\u003eBiological background\u003c\/h2\u003e \u003cp\u003eThe gene commonly associated with this target is \u003cstrong\u003eEIF3F\u003c\/strong\u003e. EIF3F refers to a protein target that is studied across multiple biological contexts; annotations and nomenclature can vary by species and isoform. This product corresponds to the Homo sapiens (Human) sequence context, which can be important when comparing homologs or orthologs across model systems. For curated functional annotations, domains, and sequence features, consult primary databases (e.g., UniProt\/NCBI) and the recent literature for the specific organism and isoform.\u003c\/p\u003e \u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eQuantifying enzyme activity, substrate specificity, and cofactor dependence in metabolic pathways.\u003c\/li\u003e \u003cli\u003eConnecting metabolic state to cellular phenotypes using targeted protein reagents and quantitative assays.\u003c\/li\u003e \u003cli\u003eIntegrating multi-omics measurements with protein-level readouts to refine pathway models and regulatory mechanisms.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eRelevance:\u003c\/strong\u003e Component of the eukaryotic translation initiation factor 3 (eIF-3) complex, which is required for several steps in the initiation of protein synthesis . The eIF-3 complex associates with the 40S ribosome and facilitates the recruitment of eIF-1, eIF-1A, eIF-2:GTP:methionyl-tRNAi and eIF-5 to form the 43S pre-initiation complex (43S PIC). The eIF-3 complex stimulates mRNA recruitment to the 43S PIC and scanning of the mRNA for AUG recognition. The eIF-3 complex is also required for disassembly and recycling of post-termination ribosomal complexes and subsequently prevents premature joining of the 40S and 60S ribosomal subunits prior to initiation . The eIF-3 complex specifically targets and initiates translation of a subset of mRNAs involved in cell proliferation, including cell cycling, differentiation and apoptosis, and uses different modes of RNA stem-loop binding to exert either translational activation or repression .; Deubiquitinates activated NOTCH1, promoting its nuclear import, thereby acting as a positive regulator of Notch signaling.\u003c\/p\u003e \u003ch2\u003eCommon research applications\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eAssay and standard development for immunoassays or binding-based detection methods.\u003c\/li\u003e \u003cli\u003eProtein–protein interaction studies (e.g., receptor–ligand or complex assembly) using purified components.\u003c\/li\u003e \u003cli\u003eStructure–function analysis, including domain mapping or evaluation of sequence variants.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eIn quantitative assay development, changes in binding or activity readouts are typically interpreted relative to appropriate negative\/positive controls and, where possible, orthogonal assay formats that support the same conclusion.\u003c\/p\u003e \u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eRecombinant constructs may represent a defined region (domain) rather than the full-length protein; interpret results in the context of the expressed region.\u003c\/li\u003e \u003cli\u003eTag or fusion elements can aid purification and detection but may influence binding surfaces or oligomerization; consider tag controls when relevant.\u003c\/li\u003e \u003cli\u003eSpecies and isoform differences can affect interaction partners and post-translational modifications; align experimental controls to the intended biological context.\u003c\/li\u003e \u003cli\u003eE. coli expression can limit eukaryotic post-translational modifications; for modification-dependent biology, interpret results accordingly.\u003c\/li\u003e \u003c\/ul\u003e \u003c!-- Sources (internal): - UniProtKB entry for O00303 — UniProt — https:\/\/www.uniprot.org\/uniprotkb\/O00303\/entry - NCBI Gene search (EIF3F) — NCBI — https:\/\/www.ncbi.nlm.nih.gov\/gene\/?term=EIF3F - PubMed search (EIF3F) — NCBI — https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=EIF3F - RCSB PDB search (EIF3F) — RCSB PDB — https:\/\/www.rcsb.org\/search?query=EIF3F - Reactome Pathway Browser — Reactome — https:\/\/reactome.org\/ --\u003e","brand":"CUSABIO TECHNOLOGY LLC","offers":[{"title":"1 mg","offer_id":53065293234541,"sku":"CSB-EP007535HU-1MG","price":1812.0,"currency_code":"USD","in_stock":true},{"title":"100 ug","offer_id":53065438855533,"sku":"CSB-EP007535HU-100UG","price":419.0,"currency_code":"USD","in_stock":true},{"title":"20 ug","offer_id":53065438888301,"sku":"CSB-EP007535HU-20UG","price":224.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/CSB-EP007535HU-SDS.jpg?v=1772476539","url":"https:\/\/www.ebiohippo.com\/products\/recombinant-human-eukaryotic-translation-initiation-factor-3-subunit-f-eif3f-bhp10509603","provider":"BioHippo","version":"1.0","type":"link"}