{"product_id":"carboxypeptidase-b","title":"Carboxypeptidase B","description":"\n\u003cstyle\u003e\n  .bf-detail h2 {\n    font-size: 1.25rem; font-weight: 700; margin: 0 0 14px; color: #1a1f2b;\n  }\n  .bf-detail p { margin: 0 0 14px; line-height: 1.7; color: #1a1f2b; }\n  .bf-detail .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid #e5e7eb; border-radius: 8px; }\n  .bf-detail table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 560px; }\n  .bf-detail caption { text-align: left; padding: 12px 16px; font-weight: 600; color: #1a1f2b; font-size: 0.9rem; }\n  .bf-detail th, .bf-detail td { padding: 12px 16px; text-align: left; border-bottom: 1px solid #e5e7eb; vertical-align: top; }\n  .bf-detail thead th { background: #f9fafb; font-weight: 600; color: #4b5563; font-size: 0.85rem; text-transform: uppercase; letter-spacing: .02em; }\n  .bf-detail tbody tr:last-child th, .bf-detail tbody tr:last-child td { border-bottom: none; }\n  .bf-detail tbody th { width: 42%; font-weight: 500; color: #4b5563; background: #fbfcfd; }\n  .bf-detail ul { margin: 0; padding: 0; list-style: none; }\n  .bf-detail ul li { padding: 10px 0 10px 26px; position: relative; border-bottom: 1px solid #e5e7eb; }\n  .bf-detail ul li:last-child { border-bottom: none; }\n  .bf-detail ul li::before { content: \"\"; position: absolute; left: 4px; top: 17px; width: 7px; height: 7px; border-radius: 50%; background: #0f766e; }\n  .bf-detail details { margin: 0; background: transparent; }\n  .bf-detail summary { cursor: pointer; padding: 10px 0 10px 22px; font-weight: 500; list-style: none; position: relative; color: #1a1f2b; font-size: 0.95rem; }\n  .bf-detail summary::-webkit-details-marker { display: none; }\n  .bf-detail summary::before { content: \"▶\"; position: absolute; left: 0; top: 50%; transform: translateY(-50%); font-size: 0.7rem; color: #1a1f2b; transition: transform 0.15s; }\n  .bf-detail details[open] summary::before { transform: translateY(-50%) rotate(90deg); }\n  .bf-detail details .faq-a { padding: 0 0 14px 22px; color: #4b5563; margin: 0; font-size: 0.95rem; line-height: 1.7; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"bf-detail\"\u003e\n\n  \u003c!-- ============ DESCRIPTION ============ --\u003e\n  \u003ch2\u003eDescription\u003c\/h2\u003e\n  \u003cp\u003eWorking with a lyophilized enzyme usually raises three immediate questions in the lab: \u003cstrong\u003ehow do I reconstitute it, how do I store it, and how much do I use\u003c\/strong\u003e for my reaction? This section answers all three using the published product specifications.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCarboxypeptidase B (Catalog #BF-1210200)\u003c\/strong\u003e is supplied as a \u003cstrong\u003efreeze-dried powder sourced from porcine pancreas\u003c\/strong\u003e. The freeze-dried format avoids the instability that often accompanies ready-to-use liquid enzyme preparations, and it lets you weigh out exactly the amount you need.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eReconstitution\u003c\/strong\u003e is straightforward: dissolve the freeze-dried powder in \u003cstrong\u003edistilled water or a dilute buffer\u003c\/strong\u003e. After reconstitution, \u003cstrong\u003estore at -20°C (-4°F)\u003c\/strong\u003e to keep activity stable.\u003c\/p\u003e\n  \u003cp\u003eTwo reported values let you plan your experiment precisely: an \u003cstrong\u003eactivity of approximately 50 U\/mg protein\u003c\/strong\u003e and a \u003cstrong\u003eprotein content of approximately 80%\u003c\/strong\u003e, as determined by the \u003cstrong\u003ebiuret method\u003c\/strong\u003e. Together these two figures give you a direct basis for calculating enzyme-to-substrate ratios.\u003c\/p\u003e\n\n  \u003c!-- ============ SPECIFICATION ============ --\u003e\n  \u003ch2\u003eSpecification\u003c\/h2\u003e\n  \u003cdiv class=\"table-scroll\"\u003e\n    \u003ctable\u003e\n      \u003ccaption\u003eProduct specifications for Carboxypeptidase B, Catalog #BF-1210200\u003c\/caption\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth scope=\"col\"\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eCatalog #\u003c\/th\u003e\n\u003ctd\u003eBF-1210200\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eUnit Price\u003c\/th\u003e\n\u003ctd\u003e$3.00 \/ mg\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eSource\u003c\/th\u003e\n\u003ctd\u003ePorcine Pancreas\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eForm\u003c\/th\u003e\n\u003ctd\u003eFreeze-dried powder\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eSolubility\u003c\/th\u003e\n\u003ctd\u003eDistilled water or dilute buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eStability\u003c\/th\u003e\n\u003ctd\u003eStore at -20°C (-4°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eActivity (approx.)\u003c\/th\u003e\n\u003ctd\u003e50 U\/mg protein\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\"\u003eProtein (approx.)\u003c\/th\u003e\n\u003ctd\u003e80% (biuret)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ============ FEATURES ============ --\u003e\n  \u003ch2\u003eFeatures\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFreeze-dried powder form\u003c\/strong\u003e — convenient to weigh, aliquot, and store.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSourced from porcine pancreas\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSoluble in distilled water or a dilute buffer\u003c\/strong\u003e — simple reconstitution.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStore at -20°C (-4°F)\u003c\/strong\u003e for stability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTransparent activity specification\u003c\/strong\u003e: approximately 50 U\/mg protein.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTransparent protein content\u003c\/strong\u003e: approximately 80%, by the biuret method.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUnit price $3.00 per mg\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- ============ APPLICATION ============ --\u003e\n  \u003ch2\u003eApplication\u003c\/h2\u003e\n  \u003cp\u003eSupplied as a freeze-dried powder from porcine pancreas, this Carboxypeptidase B (Catalog #BF-1210200) is prepared for \u003cstrong\u003elaboratory and biochemical research use\u003c\/strong\u003e. Its specifications — activity of approximately \u003cstrong\u003e50 U\/mg protein\u003c\/strong\u003e and protein content of approximately \u003cstrong\u003e80% (biuret)\u003c\/strong\u003e — are reported so that experiments can be set up with consistent, reproducible enzyme amounts.\u003c\/p\u003e\n\n  \u003c!-- ============ FAQ ============ --\u003e\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the source of this Carboxypeptidase B?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eThis Carboxypeptidase B is sourced from porcine pancreas.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the product form?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eThe product is supplied as a freeze-dried powder.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I dissolve (reconstitute) the freeze-dried powder?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eDissolve the freeze-dried powder in distilled water or a dilute buffer.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow should I store this Carboxypeptidase B?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eStore at -20°C (-4°F) to maintain stability.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the specific activity of this product?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eThe reported activity is approximately 50 U\/mg protein.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the protein content?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eThe protein content is approximately 80%, as determined by the biuret method.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the catalog number of this Carboxypeptidase B?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eThe catalog number is BF-1210200.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the unit price?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eThe unit price is $3.00 per mg.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this Carboxypeptidase B soluble in water?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eYes. It dissolves in distilled water or a dilute buffer.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I calculate how much enzyme to use?\u003c\/summary\u003e\n    \u003cp class=\"faq-a\"\u003eUse the reported activity (approximately 50 U\/mg protein) and protein content (approximately 80%, biuret) as the basis for your enzyme-to-substrate ratio.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e\n","brand":"calzyme","offers":[{"title":"1 g","offer_id":52982391767221,"sku":"BF-1210200-1","price":0.0,"currency_code":"USD","in_stock":true},{"title":"10 g","offer_id":52982391799989,"sku":"BF-1210201-10","price":0.0,"currency_code":"USD","in_stock":true},{"title":"100 g","offer_id":52982391832757,"sku":"BF-1210202-100","price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/biofargo.com\/products\/carboxypeptidase-b","provider":"Biofargo","version":"1.0","type":"link"}