Catechol 1,2-dioxygenase from Aspergillus niger: purification and properties

Ninnekar, H. Z. ; Vaidyanathan, C. S. (1981) Catechol 1,2-dioxygenase from Aspergillus niger: purification and properties Journal of the Indian Institute of Science, 63 (8). pp. 131-136. ISSN 0970-4140

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Official URL: http://journal.library.iisc.ernet.in/archives/v63-...

Abstract

Catechol 1,2-dioxygenase (E.C. 1.13.1.1) was partially purified from Aspergillus niger . The effects of pH, temperature, metal ions and metal chelating agents on enzyme activity were studied. The enzyme catalyzes the oxidation of catechol and 4-methyl catechol at the same rate, but does not catalyze the oxidation of 3-isopropyl catechol, 3-methyl catechol and other substrate analogs. The enzyme is completely inhibited by thiol compounds.

Item Type:Article
Source:Copyright of this article belongs to The Indian Institute of Science (IISc).
Keywords:Aspergillus Niger
ID Code:77280
Deposited On:11 Jan 2012 04:32
Last Modified:11 Jan 2012 04:32

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