{"product_id":"modified-trypsin-mass-spectrometry-grade-ua070137","title":"Modified Trypsin, Mass Spectrometry Grade","description":"\u003ch4\u003eProduct Specification\u003c\/h4\u003e\u003cdiv class=\"responsive-table product-detail-table details-table\"\u003e\n\u003cbr\u003e\u003ctable style=\"width: 100%; height: auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eSynonyms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eTrypsin(pig); porcine pancreas; Trypsin，Mass Spectrometry Grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eExpression System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eE.coli\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eMolecular Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e\u003cp style=\"margin-bottom: 0px;\"\u003e24±2 kDa (Reducing)\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003ePurity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e＞95% by RP- HPLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eTag\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eNo Tag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003ePhysical Appearance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003eLyophilized powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eStorage Buffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e\u003cp\u003e2 mM HCl, 2 mM Ca2+\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eReconstitution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e\u003cp style=\"margin-bottom: 0px;\"\u003eModified Trypsin, Mass Spectrometry Grade should be reconstituted by the addition of 20~200 μL of 2 mM HCl or 50mM acetic acid.\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eStability \u0026amp; Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e\u003cp\u003eStore at -25 ~ -15℃ for 2 years\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 22%;\"\u003e\u003cstrong\u003eReference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78%;\"\u003e\u003cp\u003eOlsen, J. V. Trypsin Cleaves Exclusively C-terminal to Arginine and Lysine Residues[J]. Molecular \u0026amp; Cellular Proteomics, 2004, 3(6):608-614.\u003cbr\u003eChi W J. Medium Optimization and Application of Affinity Column Chromatography for Trypsin Production from Recombinant Streptomyces griseus[J]. Journal of Microbiology \u0026amp; Biotechnology, 2009, 19(10):1191-1196.\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003ch4\u003eBackground\u003c\/h4\u003e\u003cdiv\u003e\u003cp\u003e\u003cspan\u003eModified Trypsin, Mass Spectrometry Grade is produced through a multi-step process: the wild-type trypsin sequence is engineered to minimize autolysis, the modified enzyme is then expressed recombinantly to eliminate contaminating proteases, and finally subjected to reductive methylation to further enhance stability. The resulting product exhibits high purity and exceptional stability, making it ideal for a broad range of laboratory proteomics applications, including protein\/peptide sequencing and identification, as well as HPLC peptide mapping. \u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch4\u003eProtocol\u003c\/h4\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e1\u003c\/span\u003e\u003cspan\u003e Dissolve Modified Trypsin by adding 20 to 200 μL of 2 mM HCL or 50 mM acetic acid, and prepare 2*Reaction buffer (100 mM Tris-HCl, 10 mM CaCl2, pH 8.0 @ 25°C)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2\u003c\/span\u003e\u003cspan\u003e Set-up a typical reaction as follows\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1\u003c\/span\u003e\u003cspan\u003e）\u003c\/span\u003e\u003cspan\u003eAdd the following components in sequence\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse:collapse;width:auto;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan style=\"font-weight:bold\"\u003eComponents\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan style=\"font-weight:bold\"\u003eVolume\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan\u003eSubstrate protein\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan\u003e5 μL (about 2 ug)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan\u003eddH2O\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan\u003e4.5 μL\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan\u003e2*Reaction buffer\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan\u003e10 μL\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan\u003e100 ng\/μL UA070137 \u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:center;vertical-align:middle;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000;border:1px solid #000000\"\u003e\u003cp\u003e\u003cspan\u003e0.5 μL\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\u003cp\u003e\u003cspan\u003e2\u003c\/span\u003e\u003cspan\u003e）\u003c\/span\u003e\u003cspan\u003eIncubate at 37°C for 2~4 h \u003c\/span\u003e\u003cspan\u003eor\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eovernight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003ch4\u003eGuidelines\u003c\/h4\u003e\u003cdiv\u003e\n\u003cp style=\"margin-bottom: 0px;\"\u003e1. Substrate must be in phosphate-free buffer to prevent calcium precipitation with both reconstituted enzyme and enzyme buffer.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0px;\"\u003e2. Storage buffer:2 mM HCl or 50mM acetic acid\u003c\/p\u003e\n\u003c\/div\u003e\u003ch4\u003eUnit Definition\u003c\/h4\u003e\u003cdiv\u003eIn a 3.2 mL reaction system using BAEE as substrate, the UV absorption at 253 nm increased by 0.003 per min using cuvette with 1 cm optical path, which was defined as 1 USP trypsin activity unit\u003c\/div\u003e","brand":"UA BIOSCIENCE","offers":[{"title":"1mg","offer_id":43094331031627,"sku":"UA070137-1mg","price":285.0,"currency_code":"USD","in_stock":true},{"title":"100µg","offer_id":43094331064395,"sku":"UA070137-100µg","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8375\/1499\/files\/4b14c7a9dd364853b49c30f89d4ae886.png?v=1788206455","url":"https:\/\/www.antbioinc.com\/products\/modified-trypsin-mass-spectrometry-grade-ua070137","provider":"AntBio","version":"1.0","type":"link"}