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形狀
buffered aqueous solution
品質等級
比活性
≥5 units/mg protein
UniProt登錄號
運輸包裝
dry ice
儲存溫度
−20°C
基因資訊
human ... KLK1(3816)
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一般說明
Kallikrein肽酶属于15个高度保守的胰蛋白酶或胰凝乳蛋白酶家庭的成员。血浆激肽释放酶（PK）是一种来源于血浆前激肽释放酶的丝氨酸蛋白酶，也是一种在血液循环中含量较高的酶原。KLKB1基因位于人染色体4q35.2上。
應用
从人血浆中提取的激肽释放酶已用于：
- 培养人肝癌细胞系
- 研究其对来自脑膜炎奈瑟氏菌的奈瑟球菌肝素结合抗原（NHBA）的裂解作用
- 肽酶抑制分析
生化／生理作用
血浆激肽释放酶（PK）参与缓激肽的合成，可维持血液代谢物水平和高血压。它还参与凝血因子XII的激活，促进炎症和内源性凝血途径。PK控制心血管系统中的蛋白水解级联反应，如激肽酶激肽系统、肾素血管紧张素系统、纤维蛋白溶解系统和补体旁路等。它参与胰高血糖素样肽-1（GLP-1）和神经肽Y（NPY） 的裂解，这表明血浆激肽释放酶可能会影响代谢和糖尿病。
單位定義
一个酶活性单位是指在pH 8.7、25°C条件下，每分钟将1.0 μMNα-苯甲酰基-L-精氨酸乙酯（BAEE）水解为Nα-苯甲酰基-L-精氨酸和乙醇所需的酶量。
外觀
溶于20 mM Tris-HCl (pH 7.8)和100 mM NaCl的溶液中。
儲存類別代碼
12 - Non Combustible Liquids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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