{"product_id":"recombinant-e-coli-lactose-operon-repressor-laci-protein-his-tag-pdeo100002","title":"Recombinant E.coli Lactose Operon Repressor\/LacI Protein (His Tag) - PDEO100002","description":"\u003cp\u003eRecombinant E.coli Lactose Operon Repressor\/LacI Protein (His Tag)\u003c\/p\u003e\n\n\u003cp\u003eSize: 100μg\u003c\/p\u003e\n\n\u003cp\u003eCatalogue Number: PDEO100002-100\u003c\/p\u003e\n\n\u003cp\u003eCitations, Manuals and MSDS Available upon request.\u003c\/p\u003e\n\n\u003cp\u003eAbbreviation: LacI\u003c\/p\u003e\n\n\u003cp\u003eTarget Synonym: Lactose operon repressor, LacI\u003c\/p\u003e\n\n\u003cp\u003eUNIProt ID: P03023\u003c\/p\u003e\n\n\u003cp\u003eTarget Species: E.coli\u003c\/p\u003e\n\n\u003cp\u003eExpression Host: E.coli\u003c\/p\u003e\n\n\u003cp\u003eFusion Tag: C-His\u003c\/p\u003e\n\n\u003cp\u003eAccession: P03023\u003c\/p\u003e\n\n\u003cp\u003eBackground: Lactose operon repressor (LacI) contains one HTH lacI-type DNA-binding domain, functions as a homotetramer. Lactose operon repressor as a repressor of the lactose operon, which also as an inducer, binds allolactose. If remove residues 1-59, resulting the loss of DNA-binding activity but retains tetrameric structure and inducer-binding activity. If delete residues 340-360, resulting the loss of tetramer formation, but retains dimer formation, inducer-binding activity, and DNA-binding activity.\u003c\/p\u003e\n\n\u003cp\u003eSequence: Met1-Gln360\u003c\/p\u003e\n\n\u003cp\u003ePurity: \u0026gt; 95 % as determined by reducing SDS-PAGE.\u003c\/p\u003e\n\n\u003cp\u003eFormulation: Supplied as a 0.2 μm filtered solution of 20mM Tris, 300mM NaCl, 5mM DTT 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: Not Applicable\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: 39.4 kDa\u003c\/p\u003e\n\n\u003cp\u003eObserved MW: 40 kDa\u003c\/p\u003e\n\n\u003cp\u003eStorage: Store at \u0026lt; -20°C, stable for 6 months. Please minimize freeze-thaw cycles.\u003c\/p\u003e\n\n\u003cp\u003eShipping: This product is provided as liquid. It is shipped at frozen temperature with blue ice\/gel packs. Upon receipt, store it immediately at \u0026lt; - 20°C.\u003c\/p\u003e\n\n\u003cp\u003eResearch Use Only\u003c\/p\u003e","brand":"Elabscience","offers":[{"title":"100μg","offer_id":43155051020467,"sku":"PDEO100002-100","price":165.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/products\/logo_new_10d6b62b-d1a1-4cdb-8401-02ff868cde43.png?v=1710437481","url":"https:\/\/afsbio.com\/products\/recombinant-e-coli-lactose-operon-repressor-laci-protein-his-tag-pdeo100002","provider":"AFSBio Inc.","version":"1.0","type":"link"}