Metal Ions in Biological Systems

Autorentext
Sigel\, Helmut

Klappentext
"Metal Ions in Biological Systems" is devoted to increasing our understanding of the relationship between the chemistry of metals and life processes. The volumes reflect the interdisciplinary nature of bioinorganic chemistry and coordinate the efforts of researchers in the fields of biochemistry, inorganic chemistry, coordination chemistry, environmental chemistry, biophysics, pharmacy, and medicine.
"Volume 43" focuses on the vibrant research area concerning the cycling of elements, metals, and non-metals in biology and geology; in 10 chapters this book offers an authoritative and timely account on this fascinating subject.


Zusammenfassung
This volume first considers the categories of zinc metalloenzymes, together with models of the enzymic metal-ion binding sites. It covers the nutritional aspects of zinc: its absorption and excretion, its influence on the activity of enzymes and hormones, and the zinc deficiency syndrome.

Inhalt
1. Categories of Zinc Metalloenzymes 2. Models for Zn(II) Binding Sites in Enzymes 3. An Insight on the Active Site of Zinc Enzymes through Metal Substitution 4. The Role of Zinc in DNA and RNA Polymerases 5. The Role of Zinc in Snake Toxins 6. Spectroscopic Properties of Metallothionein 7. Interaction of Zinc with Erythrocytes 8. Zinc Absorption and Excretion in Relation to Nutrition 9. Nutritional Influence of Zinc on the Activity of Enzymes and Hormones 10. Zinc Deficiency Syndrome during Parenteral Nutrition in Humans

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