Papain / Papaya enzyme / Papaya prase / Papaya enzyme / Papaya enzyme / Papain

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English name: Papain
Other names: papaya enzyme; papaya prase; papaya enzyme; papaya enzyme
CAS number: 9001-73-4

Level: BioChemika
Molecular weight: 21000 ~ 23000
Vitality: ≥6000units / mg
pH (20g / L, ℃): 4.8 ~ 6.2
Moisture: ≤6.0%
Microbiological test: Qualified traits: white to light yellow powder. An enzyme that can hydrolyze polypeptides, amides and esters. The molecule consists of 212 residues of folded peptide bonds. Slightly hygroscopic. Sensitive to light. Incompletely soluble in water and glycerin, almost insoluble in most organic solvents. Enzyme reaction: cleavage of Arg-, Lys-, Phe-, X amino acids. Model substrates are ethyl benzoyl arginine (BAEE), N-benzoyl-L-arginine p-nitroaniline (N-α-Bz-L-Arg-4-NA), benzyloxycarbonyl Acyl valylglycylarginine p-nitroaniline (Chromozym TRY). Activators include cysteine ​​(Cys), glutathione (GSH), EDTA, reducing agents, and cyanide. Inhibitors include mercury (Hg2 +), other heavy metals, iodoacetic acid, N-p-maleimide (NEM), benzylsulfonyl fluoride (PMSF), N-p-toluenesulfonyl-L-phenylpropylene Chloromethyl ketone (TPCK), p-toluenesulfonyl-L-lysine chloromethyl ketone (TLCK)
Uses: Biochemical research Storage: 2 ~ 8 ℃

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