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肠激酶来源于猪肠 [肠肽酶],Enterokinase from porcine intestine;≥0.5 units/mg solid

别名:猪肠激酶;Enteropeptidase;CAS号 9014-74-8 Enzyme Commission (EC) Number 3.4.21.9 ( BRENDA | IUBMB ) EINECS 编号 232-761-1 MDL number MFCD00131020 eCl@ss 32160410 NACRES NA.54
货号(SKU): E0632
CAS号: 9014-74-8
MDL号: MFCD00131020
增值税发票 √ 免费货运 [顺丰 联邦] √
¥3,524.23

产品描述

Application

Enterokinase from porcine intestine has been used in a study to report a new experimental model of the anomalous pancreatico-biliary junction. Enterokinase from porcine intestine has also been used in a study to investigate the insulinotropic region of the gastric inhibitory polypeptide.

The enzyme from Sigma has been used for the activation of trypsinogen in order to measure the activity of trypsin in hog pancreas. The study showed that antimicrobial treatment reduces intestinal microflora and improves protein digestive capacity without changes in villous structure of weanling pigs.[1]

包装

1500 units in poly bottle

Biochem/physiol Actions

Enterokinase is a membrane bound serine protease that specifically and rapidly converts trypsinogen to trypsin, thereby, triggering the conversion of other zymogens to active enzymes. It has a molecular mass of approximately 150 kDa. The enzyme is a heterodimer consisting of 35-47 kDa subunits. The light and the heavy chains are linked by two disulfide bridges. It is a glycoprotein containing 35% carbohydrate. The polypeptide chain of trypsinogen is hydrolyzed only after an -(Asp)4-Lys- sequence. The enzyme is inhibited by soybean trypsin inhibitor. Enterokinase is typically used in protein modification and amino acid sequence determination.

Unit Definition

One unit will produce 1.0 nanomole of trypsin from trypsinogen per min at pH 5.6 at 25 °C.

性质

Quality Level200
formsalt-free, lyophilized powder
specific activity≥0.5 units/mg solid
mol wt150 kDa
storage temp.−20°C


安全信息

个人防护装备 EyeshieldsGlovestype N95 (US)
RIDADR NONH for all modes of transport
WGK德国 WGK 3
商品规格
属性名称属性值
储存温度 Storage temp.-20°C低温冷冻
全球实时库存 Availability √美国St. Louis ≥ 88 | 欧洲Eur. ≥ 126 | 東京Tokyo ≥ 46 | 香港与北京 ≥ 62