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• 介紹：

  活力定義：在40℃和pH7.5條件下，非特異性蛋白酶活性的單位增加了酪蛋白中福林-陽性氨基酸和肽的釋放速度。一單位(U)可釋放1μmol/min酪氨酸。

  最適PH：7.0-8.0。

  最適溫度：35-40 °C。

  分子量：20000～60000。

  性狀：白色或微褐色粉末。

  來源：灰色鏈霉菌。

  穩定劑：鈣離子保護效應：
  該制劑中含20%的醋酸鈣，用于其穩定性。按照現行的質量控制程序，它不含淀粉。含有0.01-0.1M鈣的稀釋溶液，在4到8℃的中性pH下，其活性在24小時內是穩定的。鏈霉素蛋白酶也可以通過低水平的鈣來防止熱失活。

  工作溶液濃度：0.5 到 2 mg/ml

  工作溶液：建議溶劑為蒸餾水。

   

• 溶解性： 溶于水等。

• 儲存條件： -20℃

• 用途： 裂開蛋白質的肽鍵，有極強的蛋白水解作用，能水解纖維蛋白、黏蛋白。

• 注意：部分產品我司僅能提供部分信息，我司不保證所提供信息的權威性，僅供客戶參考交流研究之用。

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本計算器可幫助您計算出特定溶液中溶質的質量、溶液濃度和體積之間的關系，公式為：

質量 (mg) = 濃度 (mM) x 體積 (mL) x 分子摩爾量 (g/mol)

• pg ng μg mg g kg =
  fM pM nM μM mM M *
  nL μL mL L *