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酶·辅酶
α-糜蛋白酶 来源于牛胰腺(TLCK处理,序列)
| 品牌 | 厂商性质 | 产地 | 货期 |
|---|---|---|---|
| 阿拉丁 | 生产商 | 上海 | 现货 |
产品参数
| 货号 | CAS号 | 操作 |
|---|---|---|
| C129076-100μg | 9004-07-3 | 询底价 |
| C129076-25μg | 9004-07-3 | 询底价 |
产品介绍
- 分子式
- 分子量
- Beilstein号
- EC号 232-671-2
- MDL号 MFCD00130481
- PubChem编号
属性
| 敏感性 | 易潮湿 |
| 存贮条件 | 储存温度2-8℃ |
描述
| 产品介绍 | Chymotrypsin preferentially catalyzes the hydrolysis of peptide bonds involving L-isomers of tyrosine, phenylalanine and tryptophan. It also readily acts upon amides and esters of susceptible amino acids. Chymotrypsin catalyzes the hydrolysis of bonds of leucyl, methionyl, asparaginyl and glutamyl residues. |
| 备注 | Three time crystallized and treated with 1-chloro-3-tosylamido-7-amino-2-heptanone (TLCK) to inhibit trypsin activity [Shaw, et al., Biochemistry, 4, 2219 (1965)]. Dialyzed to remove autolysis products and low molecular weight contaminants. Supplied as lyophilized powder. |
| 生化机理 |
一种丝氨酸蛋白酶，能将与芳香烃或其他大型疏水性侧链（Tyr、Trp、Phe、Met、Leu）结合的肽从键的羧基端水解。 α-Chymotrypsin is a serine peptidase and has 241 amino acid residues contained in three polypeptide chains (A chain-13 residues, B chain-131 residues, and C chain-97 residues) linked by disulfide bridges. Molecular weight of this enzyme is found to be 25 kDa. Its pI is 8.75. It selectively hydrolyzes peptide bonds on the C-terminal side of tyrosine, phenylalanine, tryptophan, and leucine. Ca2+ activates and stabilizes the enzyme. The enzyme is inhibited by diisopropyl fluorophosphate (DFP), phenylmethanesulfonyl fluoride (PMSF), N-p-tosyl-L-phenylalanine chloromethyl ketone (TPCK), chymostatin, aprotinin, α1-antitrypsin, and α2-macroglobulin, 10 mM Cu2+ and Hg2+. |
| 别名 | α-糜蛋白酶;胰凝乳蛋白酶;糜蛋白酶;胰凝乳朊酶 |
α-糜蛋白酶 来源于牛胰腺(TLCK处理,序列)信息由上海阿拉丁生化科技股份有限公司为您提供，如您想了解更多关于α-糜蛋白酶 来源于牛胰腺(TLCK处理,序列)报价、型号、参数等信息，欢迎来电或留言咨询。
注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途