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应用
胃蛋白酶切割可用于产生抗体的F(ab′)2 片段。有关胃蛋白酶的更多信息，请访问 www.sigma-aldrich.com/enzymeexplorer。
生化/生理作用
优先裂解：P1 和 P1′ 位的疏水性和芳族残基。降解胰岛素 β 链中的 Phe-Val、Gln-His、Glu-Ala、Ala-Leu、Leu-Tyr、Tyr-Leu、Gly-Phe、Phe-Phe 和 Phe-Tyr 键
分析说明
最适pH值为2-4。在4 M尿素和3 M盐酸胍中可保持活性。在60°C时稳定。胃蛋白酶在pH 8.0-8.5下发生不可逆灭活。
其他说明
在pH 2.0和37℃条件下，1 U对应于每分钟使280 nm处的吸光度增加0.001的酶量（血红蛋白，货号51290，作为底物）如上所述的15′000吸光度-U相当于 ∼1 Bergmeyer-U。 1 Bergmeyer-U是在pH 2.0和37℃条件下水解1 μmmol乙酰基-L-苯基-3,5-二碘代-L-酪氨酸的酶量
免责声明
可能适用相应的销售限制。
警示用语：
Danger
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
个人防护装备
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
常规特殊物品
低风险生物材料
动植物源性产品
此项目有
Xinhua Windt et al.
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Chicken feathers are major byproducts of the livestock processing industry with high potential in the feed sector. In this study, we present a new approach using Fourier transform infrared (FTIR) spectroscopy to detect the structural changes of feather keratin and
Chuan-Hsiao Han et al.
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Our previous report showed that yam dioscorin and its peptic hydrolysates exhibit radical scavenging activities; however, the functions of these peptic hydrolases are still under investigation. In this study, the thiol-containing peptides derived from computer-aided simulation of pepsin hydrolysis of
Mahmoud S Ali et al.
The Laryngoscope, 123(2), 434-439 (2012-10-17)
To assess if, as previously reported in the literature, bile acids inhibit pepsin activity, resulting in pepsin having a less important role in laryngopharyngeal damage in reflux disease. Prospective translational research study. A total of 78 patient's fasting gastric juice
María Llarena-Reino et al.
Veterinary parasitology, 191(3-4), 276-283 (2012-10-10)
During the last 50 years human anisakiasis has been rising while parasites have increased their prevalence at determined fisheries becoming an emergent major public health problem. Although artificial enzymatic digestion procedure by CODEX (STAN 244-2004: standard for salted Atlantic herring
Dragana Stanic-Vucinic et al.
Molecular nutrition & food research, 56(12), 1894-1905 (2012-10-16)
The aim of this work was to investigate the effects of high-intensity ultrasound (sonication), on the structure and allergenicity of the major cow's milk allergen, beta-lactoglobulin (BLG). Structural changes upon sonication of BLG were monitored by circular dichroism spectroscopy, tryptophan
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