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α-糜蛋白酶 来源于牛胰腺(TLCK处理)

规格或纯度: ≥45 units/mg protein
有货

库存信息

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库存信息

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库存信息

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货号 (SKU) 包装规格 是否现货 价格 数量
C129079-25mg
25mg 现货 Stock Image
C129079-100mg
100mg 现货 Stock Image
C129079-1g
1g 现货 Stock Image

基本描述

别名 α-胰凝乳蛋白酶
规格或纯度 ≥45 units/mg protein
英文名称 α-Chymotrypsin from bovine pancreas(TLCK Treated)
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+.
储存温度 2-8°C储存
运输条件 冰袋运输
备注 1g、100mg卖完停产,不再备货
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.

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.

名称和标识符

EC号 232-671-2
WGK Germany 1
RTECS GC3050000
PubChem CID 4052643

化学和物理性质

密度 1.047
敏感性 易潮湿

安全和危险性(GHS)

象形图
ghs08

Health Hazard

ghs07

Harmful

信号词 Danger
危险声明 H315: Causes skin irritation
H319: Causes serious eye irritation
H335: May cause respiratory irritation
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled
预防措施声明 P261,P305+P351+P338,P280,P302+P352,P321,P405,P501,P264,P284,P271,P304+P340,P403+P233,P362+P364,P264+P265,P337+P317,P332+P317,P319,P342+P316
WGK Germany 1
RTECS GC3050000
个人防护装备 dust mask type N95 (US),Eyeshields,Faceshields,Gloves

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相关技术文章

FAQ
蛋白样品制备流程
Protein sample preparation process
先进的酶分析技术

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