Zinc, a structural component of adenylate kinases from gram-positive bacteria
Open Access
- 1 January 1994
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 176 (2) , 520-523
- https://doi.org/10.1128/jb.176.2.520-523.1994
Abstract
The recent finding that Bacillus stearothermophilus adenylate kinase contains a zinc atom coordinated to four cysteines prompted us to investigate the metal-binding properties of the enzyme from various bacteria. We conclude that zinc was present only in adenylate kinase from gram-positive species and that this property is correlated with the presence of three or four Cys residues in the sequence Cys-X2-Cys-X16-Cys-X2-Cys/Asp, in which X stands for different amino acid residues.Keywords
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