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Catechol

Catechol

a term loosely used for catechin, which contains a pyrocatechol moiety, and as the root of catecholamines, which are pyrocatechol derivatives.

Synonym: pyrocatechol.


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Re: Catechol Oxidase, Polyphenol Oxidase and Tyrosinase

Complete and the full length cDNA sequence of poly phenol oxidase, cDNA from grape Vitis vinifera L., cv Grenache, was found to encode a translated protein of amino acids with an expected molecular weight of ca.kDa and a predicted pI of 6.83. The translated amino acid sequence was 99%, identical to ...

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by aricpole
Thu Apr 22, 2010 6:28 pm
 
Forum: Molecular Biology
Topic: Catechol Oxidase, Polyphenol Oxidase and Tyrosinase
Replies: 6
Views: 7812

Catechol Oxidase, Polyphenol Oxidase and Tyrosinase

Hi, Are Catechol Oxidase, Polyphenol Oxidase and Tyrosinase the same enzyme? Many thanks JT80

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by JTeighty
Tue Apr 20, 2010 9:37 pm
 
Forum: Molecular Biology
Topic: Catechol Oxidase, Polyphenol Oxidase and Tyrosinase
Replies: 6
Views: 7812

Enzyme inhibition

Hi, Do enzymes get denatured/inhibited by common preservatives such as sorbic acid or does sorbic acid only work against microorganisms? Take Catechol Oxidase an an example. Would sorbic acid inhibit the enzyme? What else would inhibit them besides the obvious ones e.g. pH, temperature... Thanks ...

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by JTeighty
Wed Feb 10, 2010 1:55 pm
 
Forum: Molecular Biology
Topic: Enzyme inhibition
Replies: 2
Views: 1515

The Fiber Disease

... in patients with immunodeficiency syndromes. C. neoformans ex- presses laccase which produces melanin precursors from tyrosine, DOPA, and catecholamines, abundant in the host organism . However, the nature of the pigment produced in vivo under such conditions (eumelanin or other products ...

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by Nadas Moksha
Thu Oct 26, 2006 3:39 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5409877


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