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Manganese in natural waters and earth's crust - its availability to organisms; manganese transport in micro-organisms; manganese uptake and transport in plants; manganese metabolism in animals and humans including the toxicity of manganese; interrelations between manganese and other metal ions in health and disease; the use of manganese as a probe for elucidating the role of magnesium ions in ribozymes; Mn2+ as a probe of divalent metal ion binding and function in enzymes and other proteins; enzymes and proteins containing manganese - an overview; manganese (II) in concanavalin and other lectin proteins; manganese-activated phosphatases; manganese (II) as a probe for the mechanism and specificity of restriction endonucleases; the role of the binuclear manganese (II) site in xylose isomerase; arginase - a binuclear manganese metalloenzyme; the use of model complexes to elucidate the structure and function of manganese redox enzymes; manganese (II)-dependent extradiol-cleaving catechol dioxygenases; manganese catalases; manganese peroxidase; manganese superoxide dismutase; mechanistic aspects of the tyrosyl radical-manganese complex; the polypeptides of photosystem II and their influence on mangonotyrosyl-based oxygen evolution.
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