产品名称
肾素 来源于小牛胃, ≥20 units/mg protein
form
lyophilized powder
specific activity
≥20 units/mg protein
purified by
crystallization
composition
Protein, ≥40%
storage temp.
−20°C
Quality Level
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Analysis Note
缩二脲法测定蛋白
Application
Rennin（凝乳酶），也称为 chymosin（凝乳酶），是在小牛胃中产生的乳凝酸蛋白酶。它用于奶酪制作和研究新生儿胃消化。
Biochem/physiol Actions
凝乳酶，一条 323 个氨基酸链，分泌时为无活性前体，然后通过限制性蛋白水解转化为活性酶。它能裂解 K-酪蛋白中苯丙氨酸和甲硫氨酸之间的肽键。
Other Notes
一个单位将在 30°C 下每分钟凝结 10 mL 牛奶。
Packaging
包装规格取决于蛋白质含量
Physical form
含有氯化钠的冻干粉末
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
法规信息
低风险生物材料
此项目有
J A Vallejo et al.
Journal of dairy science, 95(2), 609-613 (2012-01-28)
The first step in cheesemaking is the milk clotting process, in which κ-caseinolytic enzymes contribute to micelle precipitation. The best enzyme for this purpose is chymosin because of its high degree of specificity toward κ-casein. Although recombinant bovine chymosin is
X P Jiang et al.
World journal of microbiology & biotechnology, 28(5), 2087-2093 (2012-07-19)
Chymosin can specifically break down the Phe105-Met106 peptide bond of milk κ-casein to form insoluble para-κ-casein, resulting in milk coagulation, a process that is used in making cheese. In this study, in order to obtain an alternative milk coagulant which
Jung-Feng Hsieh et al.
Journal of agricultural and food chemistry, 60(8), 2039-2045 (2012-02-07)
Chymosin-induced coagulation of individual milk proteins during incubation at 30 °C was investigated using a proteomic approach. The addition of chymosin (0.006 units/mL) caused the milk proteins to coagulate after a 3 h incubation period. Approximately 88% of the milk
Filiz Kazak et al.
Veterinary research forum : an international quarterly journal, 13(4), 593-596 (2023-01-24)
Epidermal growth factor (EGF) has biological roles, including embryonic organ development, breast morphogenesis, breast cell proliferation, and mammary development. This study aimed to measure EGF concentration and evaluate its relationship with somatic cell count (SCC) in healthy water buffaloes (Bubalus
Neil D Rawlings et al.
Nucleic acids research, 40(Database issue), D343-D350 (2011-11-17)
Peptidases, their substrates and inhibitors are of great relevance to biology, medicine and biotechnology. The MEROPS database (http://merops.sanger.ac.uk) aims to fulfil the need for an integrated source of information about these. The database has hierarchical classifications in which homologous sets
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