Polyphenol oxidase MedChemExpress (MCE)

Product Name	TYROSINASE
Synonyms	TYROSINASE;exMushroom;TyrosinaseExMushroom;PHENOLASE FROM POTATO;AGARICUSBISPORUSTYROSINASE;Polyphenol Oxidase from Mushrooms
CAS	9002-10-2
EINECS	232-653-4
Chemical Formula
Molecular Weight
inchi
Package	1 KU;5 KU
Price	Email to quote
Descriptions	Tyrosinase, Mushroom Tyrosinase, Mushroom MedChemExpress (MCE) HY-125860 9002-10-2 Polyphenol oxidase Please store the product under the recommended conditions in the Certificate of Analysis. Room temperature in continental US Descriptions Tyrosinase, Mushroom Tyrosinase, Mushroom MedChemExpress (MCE) HY-125860 9002-10-2 Polyphenol oxidase Please store the product under the recommended conditions in the Certificate of Analysis. Room temperature in continental US may vary elsewhere. Tyrosinase (EC 1.14.18.1) (Polyphenol oxidase) is a rate-limiting enzyme that controls the production of melanin and is encoded by TYR gene. Tyrosinase is mainly found in melanosomes synthesized by skin melanocytes. Product Information Optimal pH: 6.0 - 7.0 Theoretical molecular weight: 128 kDa (a tetramer) Tyrosinase activity assay 1. Preparation of enzyme solution Dissolve in ddH2O at a concentration of 1 mg/mL. Further dilute to a concentration of 200-400 U/mL. 2. Experimental method 1) Adjust the spectrophotometer to 280 nm and 25°C. Add samples to each colorimetric tube in the following order: 1mL 0.5 M Phosphate buffer, pH 6.5 1 mL 0.001 M L-Tyrosine 0.9 mL ddH2O 2) Fill the colorimetric tube with oxygen through the capillary tube for 4-5 minutes to oxidize the reaction mixture. Place the colorimetric tube on the spectrophotometer and record the A280 at 4-5 minutes as the absorbance of the blank group. Add 0.1 mL of appropriately diluted enzyme and record the A280 at 10-12 minutes.3. Calculate 1U = the amount of enzyme that causes an increase of 0.001 in absorbance at 280 nm per minute. \| \| \| \| \| \| \| \| \| \| [1]. Sánchez-Ferrer A, et al. Tyrosinase: a comprehensive review of its mechanism. Biochim Biophys Acta. 1995 Feb 22 1247(1):1-11. [Content Brief]
Last Update	2025-04-01 14:45:47

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