{"product_id":"recombinant-human-cystatin-s-cst4-protein-rp00994","title":"Recombinant Human Cystatin-S\/CST4 Protein - RP00994","description":"\u003cp\u003eRecombinant Human Cystatin-S\/CST4 Protein\u003c\/p\u003e\n\n\u003cp\u003eSizes: 10ug, 20g, 50ug, 100ug\u003c\/p\u003e\n\n\u003cp\u003eCatalogue Numbers: RP00994-10, RP00994-20, RP00994-50, RP00994-100\u003c\/p\u003e\n\n\u003cp\u003eCitations, Manuals and MSDS Available upon request.\u003c\/p\u003e\n\n\u003cp\u003eDescription: Recombinant Human Cystatin-S\/CST4 Protein is produced by HEK293 cells expression system. The target protein is expressed with sequence (Ser21-Ala141) of human Cystatin S (Accession #NP_001890.1) fused with a 6×His tag at the C-terminus.\u003c\/p\u003e\n\n\u003cp\u003eAlternate Names: CST4\u003c\/p\u003e\n\n\u003cp\u003eSWISS: P01036\u003c\/p\u003e\n\n\u003cp\u003eGeneID: 1472\u003c\/p\u003e\n\n\u003cp\u003eSpecies: Human\u003c\/p\u003e\n\n\u003cp\u003ePurity: ≥ 95 % as determined by SDS-PAGE.\u003c\/p\u003e\n\n\u003cp\u003eStorage: Store at -20 ℃. Store the lyophilized protein at -20℃ to -80 ℃ up to 1 year from the date of receipt. After reconstitution, the protein solution is stable at -20℃ for 3 months, at 2-8℃ for up to 1 week.\u003c\/p\u003e\n\n\u003cp\u003eBio-Activity: Measured by its ability to inhibit active Cathepsin L cleavage of a fluorogenic peptide substrate Z-LR-AMC. The IC50 value approximately is 26.3 nM.\u003c\/p\u003e\n\n\u003cp\u003eSource: HEK293 cells\u003c\/p\u003e\n\n\u003cp\u003eTag: C-His\u003c\/p\u003e\n\n\u003cp\u003eFormulation: Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4. Contact us for customized product form or formulation.\u003c\/p\u003e\n\n\u003cp\u003eAntigen Sequence: SSSKEENRIIPGGIYDADLNDEWVQRALHFAISEYNKATEDEYYRRPLQVLRAREQTFGGVNYFFDVEVGRTICTKSQPNLDTCAFHEQPELQKKQLCSFEIYEVPWEDRMSLVNSRCQEA\u003c\/p\u003e\n\n\u003cp\u003eEndotoxin: \u0026lt; 1 EU\/μg of the protein by LAL method.\u003c\/p\u003e\n\n\u003cp\u003eResearch Use Only\u003c\/p\u003e","brand":"ABclonal","offers":[{"title":"10ug","offer_id":45198281900211,"sku":"RP00994-10","price":182.0,"currency_code":"CAD","in_stock":true},{"title":"20ug","offer_id":45198281932979,"sku":"RP00994-20","price":252.0,"currency_code":"CAD","in_stock":true},{"title":"50ug","offer_id":45198281965747,"sku":"RP00994-50","price":280.0,"currency_code":"CAD","in_stock":true},{"title":"100ug","offer_id":45198281998515,"sku":"RP00994-100","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/files\/download_f49dcb00-9375-449c-8bce-dcc2f7e8197d.png?v=1766960089","url":"https:\/\/afsbio.com\/products\/recombinant-human-cystatin-s-cst4-protein-rp00994","provider":"AFSBio Inc.","version":"1.0","type":"link"}