HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Patrick, J. W. Articles by Englesberg, E. Search for Related Content PubMed PubMed Citation Articles by Patrick, J. W. Articles by Englesberg, E. Social Bookmarking                      What's this?

Coordination of Enzyme Synthesis in the l-Arabinose Operon in Escherichia coli

I. THE EFFECT OF MANGANOUS ION ON THE SYNTHESIS OF l-ARABINOSE ISOMERASE

From the ¹ From the Department of Biological Sciences, University of California, Santa Barbara, California 93106

Addition of manganous ion to growing cultures of Escherichia coli B/r results in at least a 2-fold increase in the specific activity of l-arabinose isomerase. The effect of Mn²⁺ is to cause the synthesis of an enzyme with a greater intrinsic activity and heat stability, but not to change the quantity of l-arabinose isomerase produced. Several divalent cations, including manganese, are able to confer heat stability. In contrast, Mn²⁺ is specifically required during synthesis for full activity. Mn²⁺ is unable to convert partially active enzyme to fully active enzyme either in vivo or in vitro.

CiteULike    Complore    Connotea    Del.icio.us    Digg    Reddit    Technorati    What's this?

This article has been cited by other articles:

				D.-W. Lee, H.-J. Jang, E.-A. Choe, B.-C. Kim, S.-J. Lee, S.-B. Kim, Y.-H. Hong, and Y.-R. Pyun Characterization of a Thermostable L-Arabinose (D-Galactose) Isomerase from the Hyperthermophilic Eubacterium Thermotoga maritima Appl. Envir. Microbiol., March 1, 2004; 70(3): 1397 - 1404. [Abstract] [Full Text] [PDF]