{"product_id":"recombinant-human-tfiib-gtf2b-protein-gst-tag-pksh033135","title":"Recombinant Human TFIIB\/GTF2B Protein (GST Tag) - PKSH033135","description":"\u003cp\u003eRecombinant Human TFIIB\/GTF2B Protein (GST Tag)\u003c\/p\u003e\n\n\u003cp\u003eSizes: 10μg, 50μg\u003c\/p\u003e\n\n\u003cp\u003eCatalogue Numbers: PKSH033135-10, PKSH033135-50\u003c\/p\u003e\n\n\u003cp\u003eCitations, Manuals and MSDS Available upon request.\u003c\/p\u003e\n\n\u003cp\u003eAbbreviation: TFIIB; GTF2B\u003c\/p\u003e\n\n\u003cp\u003eTarget Synonym: Transcription Initiation Factor IIB; General Transcription Factor TFIIB; S300-II; GTF2B; TF2B; TFIIB\u003c\/p\u003e\n\n\u003cp\u003eUNIProt ID: Q00403\u003c\/p\u003e\n\n\u003cp\u003eResearch Areas: epigenetics and nuclear signal\u003c\/p\u003e\n\n\u003cp\u003eTarget Species: Human\u003c\/p\u003e\n\n\u003cp\u003eExpression Host: E.coli\u003c\/p\u003e\n\n\u003cp\u003eFusion Tag: N-GST\u003c\/p\u003e\n\n\u003cp\u003eAccession: Q00403\u003c\/p\u003e\n\n\u003cp\u003eBackground: Transcription Initiation Factor IIB (TFIIB) is an essential factor for transcription by RNA Polymerase II. TFIIB localizes to the nucleus where it forms a complex (the DAB complex) with transcription factor IID and IIA. TFIIB plays a role as a bridge between IID, which initially recognizes the promoter sequence, and RNA polymerase II. TFIIB is involved in the selection of transcription start site.\u003c\/p\u003e\n\n\u003cp\u003eSequence: Met 1-Leu316\u003c\/p\u003e\n\n\u003cp\u003ePurity: \u0026gt; 85 % as determined by reducing SDS-PAGE.\u003c\/p\u003e\n\n\u003cp\u003eFormulation: Lyophilized from a 0.2 μm filtered solution of 20mM Tris-HCl, 100mM NaCl, pH 8.0.\u003cbr\u003e\nNormally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.\u003cbr\u003e\nPlease refer to the specific buffer information in the printed manual.\u003c\/p\u003e\n\n\u003cp\u003eReconstitution: Please refer to the printed manual for detailed information.\u003c\/p\u003e\n\n\u003cp\u003eEndotoxin: \u0026lt; 1.0 EU per μg of the protein as determined by the LAL method.\u003c\/p\u003e\n\n\u003cp\u003eCalculated MW: 61.6 kDa\u003c\/p\u003e\n\n\u003cp\u003eObserved MW: 62 kDa\u003c\/p\u003e\n\n\u003cp\u003eStorage: Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at \u0026lt; -20℃ for 3 months.\u003c\/p\u003e\n\n\u003cp\u003eShipping: This product is provided as lyophilized powder which is shipped with ice packs.\u003c\/p\u003e\n\n\u003cp\u003eResearch Use Only\u003c\/p\u003e","brand":"Elabscience","offers":[{"title":"10μg","offer_id":43068830810291,"sku":"PKSH033135-10","price":249.2,"currency_code":"CAD","in_stock":true},{"title":"50μg","offer_id":43068830843059,"sku":"PKSH033135-50","price":732.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/products\/logo_new_59dcf169-f291-4fd5-a102-172b84aa949d.png?v=1708597986","url":"https:\/\/afsbio.com\/products\/recombinant-human-tfiib-gtf2b-protein-gst-tag-pksh033135","provider":"AFSBio Inc.","version":"1.0","type":"link"}