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名称
胰蛋白酶 来源于牛胰腺
货号
T755326-250mg
包装规格
250mg
浓度
Type XI, lyophilized powder,≥6,000 BAEE units/mg protein
产品介绍
对于胰蛋白酶消化肽,胰蛋白酶:肽 使用约为 1:100 至 1:20 的比例。从培养表面除去粘附细胞是本产品的一个典型应用。 从其底物中去除细胞所需的胰蛋白酶浓度主要取决于细胞类型和培养物的年龄。 胰蛋白酶也被用于细胞培养期间细胞的再悬浮、蛋白质组学研究中的蛋白质消化和各种凝胶内消化。 其他应用包括:通过基于膜的技术评估结晶,用在确定动力学陷阱的存在会限制蛋白质的折叠速率和产量的一项研究中。 来自牛胰腺的胰蛋白酶已被用于:-用于胰蛋白酶消化,以去除膜结合的同种异体抗原。用于孵育20-kD淀粉酶结合组分,以评估其化学性质。制备乳铁蛋白降解产物,以评估其抗脂肪形成活性。 For trypsin digestion of peptides, use a ratio of about 1:100 to 1:20 for trypsin:peptide. The typical use for this product is in removing adherent cells from a culture surface. The concentration of trypsin necessary to dislodge cells from their substrate is dependent primarily on the cell type and the age of the culture. Trypsins have also been used for the re-suspension of cells during cell culture, in proteomics research for digestion of proteins and in various in-gel digestions. Additional applications include assessing crystallization by membrane-based techniques and in a study to determine that protein folding rates and yields can be limited by the presence of kinetic traps. Trypsin from bovine pancreas has been used:- For Trypsinization, for eliminating the membrane bound alloantigen. For incubating 20-kD amylase-binding component, to evaluate its Chemical nature. To prepare lactoferrin degradation products for evaluating its antiadipogenic activity.
生化机理
胰蛋白酶切割赖氨酸和精氨酸残基的 C 端肽。 如果酸性残基位于切割位点的任一侧,则该反应的水解速度减慢,并且如果脯氨酸残基位于切割位点的羧基侧,则停止水解。 胰蛋白酶活性的最适 pH 为 7-9。 胰蛋白酶还可以起到裂解氨基酸合成衍生物的酯和酰胺键的作用。 将 EDTA 作为螯合剂添加到胰蛋白酶溶液中,用于中和钙离子和镁离子,这些离子遮蔽胰蛋白酶作用的肽键。 去除这些离子会增加酶活性。 丝氨酸蛋白酶抑制剂,包括 DFP、TLCK、APMSF、AEBSEF 和抑肽酶等,将抑制胰蛋白酶。
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Research chemical 250mg

Research chemical 250mg; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 250mg.

item number:T755326-250mg
Product model:250mg
level: 250mg
Lead Time:30days
sold 773 Items
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