Studies on the Pentose Isomerases of Lactic Acid Bacteria |
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| Authors: | Kei Yamanaka |
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| Affiliation: | Laboratory of Microbiology, Faculty of Agriculture, Kagawa University, Kagawa |
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| Abstract: | d-Xylose isomerase requires manganese ions for its action, but l-arabinose isomerase has a less specific on metal requirement. l-Arabinose isomerase is activated by addition of Mn++ or Co++, less effectively by addition of Zn++, Ca++, Mg++, Sr++ or Cd++. Moreover, manganese and potassium ions for d-xylose isomerase, and manganese and cobaltous ions for l-arabinose isomerase were also shown to have protective effect on respective enzymes against thermal inactivation. |
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