R4877
Rennin from calf stomach
≥20 units/mg protein
Synonym(s):
Chymosin
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About This Item
Pricing and availability is not currently available.
Recommended Products
form
lyophilized powder
Quality Level
specific activity
≥20 units/mg protein
purified by
crystallization
composition
Protein, ≥40%
storage temp.
−20°C
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Application
Biochem/physiol Actions
Rennin, a 323 amino acid chain, is secreted as an inactive precursor which is then converted into an active enzyme through limited proteolysis. It cleaves the peptide bond between phenylalanine and methionine in K-Casein.
Packaging
Package size based on protein content
Unit Definition
One unit will coagulate 10 mL of milk per min at 30 °C.
Physical form
Lyophilized powder containing sodium chloride
Analysis Note
Protein determined by biuret.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
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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
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
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
Xin-ping Li et al.
Xi bao yu fen zi mian yi xue za zhi = Chinese journal of cellular and molecular immunology, 28(7), 715-717 (2012-07-10)
To optimize the prochymosin (pCHY) gene codons and express the gene in Escherichia coli (E.coli), and to prepare its antiserum and detect chymosin protein specifically. According to codon usage bias of E.coli, prochymosin gene sequence was synthesized based on the
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