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名称
弹性蛋白酶 来源于猪胰腺
货号
E755327-1mg
包装规格
1mg
浓度
Type IV, Protein 50-90 %, lyophilized powder,≥4.0 units/mg protein (biuret)
产品介绍
Sigma 弹性蛋白酶已用于检测 BSA 经羟基自由基处理后的蛋白水解降解程度。它还被用于从蓝藻微囊藻 Ku2 中纯化弹性蛋白酶抑制脂质衍生物。使用来自猪胰腺的弹性蛋白酶:治疗vero细胞,研究其对合胞体形成的作用作为蛋白酶测定的阳性对照作为RPMI 1640中的组成部分,以从主动脉组织中分离出人主动脉平滑肌细胞(HASMC)猪胰腺弹性蛋白酶已被用于一项研究,以评估人白细胞弹性蛋白酶抑制的分子基础。猪胰腺弹性蛋白酶也被用于研究血清钙降低因子(降钙因子)的分子克隆和表达。应用: 弹性蛋白酶是具有240个氨基酸残基的单一多肽链,其含有四个二硫键。分子量约为25.9kDa。该酶被合成为无活性的酶原形式,即原弹性蛋白酶,其随后通过胰蛋白酶在N-末端的有限蛋白水解而转化为活性形式。 Elastase is a single polypeptide chain of 240 amino acid residues and contains four disulfide bridges. The molecular mass is approximately 25.9 kDa. The enzyme is synthesized as an inactive zymogen, proelastase, which is converted to the active form by limited proteolysis at the N-terminal by trypsin. Application: Elastase from Sigma has been used to examine the extent of proteolytic degradation of BSA that is treated with hydroxyl radical. It has also been used to purify elastase-inhibitory lipid derivative from a cyanobacterium, Microcystis Ku2. Elastase from porcine pancreas has been used in a study to assess the molecular bases for human leucocyte elastase inhibition. Elastase from porcine pancreas has also been used in a study to investigate the molecular cloning and expression of serum calcium-decreasing factor (caldecrin). Elastase from porcine pancreas has been used: to treat vero cells to study its effects on syncytium formation as a positive control in protease assays as a component in RPMI 1640 to isolate human aortic smooth muscle cells (HASMCs) from the aortic tissue
生化机理
弹性蛋白酶是一种具有宽谱特异性的丝氨酸蛋白酶,其在微小的疏水性氨基酸如异亮氨酸、甘氨酸、丙氨酸、丝氨酸、缬氨酸和亮氨酸的羧基端切割蛋白质。 该酶还可水解酰胺和酯,例如N-苯甲酰基-L-丙氨酸甲酯。其最适pH为8.0-8.5。它不需要任何活化剂,但其活性可被二异丙基氟磷酸盐、苯基甲磺酰氟、α2-巨球蛋白、α1-抗胰蛋白酶、磺酰氟和对二硝基苯基二乙基磷酸盐、以及高盐浓度抑制。它广泛用于组织和细胞解离程序。弹性蛋白酶可有效分离II型肺细胞。弹性蛋白酶水解弹性蛋白(弹性纤维的特定蛋白质)并消化血红蛋白、酪蛋白和纤维蛋白。弹性蛋白酶是一种具有宽谱特异性的丝氨酸蛋白酶,其在微小的疏水性氨基酸如异亮氨酸、甘氨酸、丙氨酸、丝氨酸、缬氨酸和亮氨酸的羧基端切割蛋白质。该酶还可水解酰胺和酯,例如N-苯甲酰基-L-丙氨酸甲酯。其最适pH为8.0-8.5。它不需要任何活化剂,但其活性可被二异丙基氟磷酸盐、苯基甲磺酰氟、α2-巨球蛋白、α1-抗胰蛋白酶、磺酰氟和对二硝基苯基二乙基磷酸盐、以及高盐浓度抑制。它广泛用于组织和细胞解离程序。弹性蛋白酶可有效分离II型肺细胞。弹性蛋白酶水解弹性蛋白(弹性纤维的特定蛋白质)并消化血红蛋白、酪蛋白和纤维蛋白。
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Research chemical 1mg; 90 %

Research chemical 1mg; 90 %; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 1mg; 90 %.

item number:E755327-1mg
Product model:1mg
level: 1mg; 90 %
Lead Time:30days
sold 144 Items
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