Pepsin

半岛bd体育手机客户端 说明

一般描述

(from porcine gastric mucosa) cryst. lyophilized 10 FIP-U/mg for biochemistry EC 3.4.23.1
Protease
Pepsin is a member of the small family of closely related aspartic proteinase enzymes. Pepsin hydrolyzes proteins and petides, including those with bonds adjacent to aromatic or dicarboxylic L-amino acid residues; preferential cleavage: Phe- and Leu-.

应用

Pepsin (from porcine gastric mucosa) cryst. lyophilized 10 FIP-U/mg for biochemistry EC 3.4.23.1. CAS 9001-75-6, pH 4.0 - 5.0 (10 g/l, H?O, 20 °C), molar mass 35000 g/mol.

分析说明

Appearance (description)fine-crystalline powderAppearance (color)almost whiteActivity (Hemoglobin; pH?1.6; 25?°C)≥ 10 FIP-U/mgpH-value (1?%; water)3.5 - 4.5Water (according to Karl Fischer)≤ 8 %Microbiological testpasses testColony count (aerobic bacteria)≤ 10000 CFU/gColony count (Yeasts and moulds)≤ 500 CFU/gSalmonella speciesabsent in 1 gE.coliabsent in 1 g

基本信息

分子量	35000
MDL编号	MFCD00081840
EC索引号	232-629-3

半岛bd体育手机客户端 性质

质量水平	100
pH值(酸碱度)	4.0-5.0 (20 ℃, 10 g/L in H2O)
溶解性	10 g/L
堆积密度	380?420 kg/m3
储存温度	2-30℃

安全信息

象形图
警示用语：	Danger
危险声明	H315 - H319 - H334 - H335
预防措施声明	P261 - P264 - P271 - P302 + P352 - P304 + P340 + P312 - P305 + P351 + P338
危险分类	Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
靶器官	Respiratory system
储存分类代码	11 - Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable