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Quantification of Metal Leaching in Immobilized Metal Affinity Chromatography

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Published on: January 17, 2020

Microbial nickel proteins.

Harini Kaluarachchi¹, Kim C Chan Chung, Deborah B Zamble

¹Department of Chemistry, University of Toronto, Toronto, ON, Canada.

Natural Product Reports

|May 6, 2010

Summary

This summary is machine-generated.

Microorganisms use nickel in essential enzymes like hydrogenase. Specialized proteins deliver nickel for enzyme function and manage excess nickel, aiding survival in diverse environments.

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Area of Science:

Biochemistry
Microbiology
Enzymology

Background:

Microorganisms utilize nickel ions in crucial enzyme systems for survival and proliferation.
Nickel-containing enzymes are synthesized through complex multi-step processes requiring accessory proteins.
Specific proteins are responsible for delivering nickel ions to the active sites of these enzymes.

Purpose of the Study:

To review nickel-binding proteins involved in the biogenesis of key microbial enzymes.
To summarize current knowledge on proteins essential for [NiFe]-hydrogenase, urease, and carbon monoxide dehydrogenase.
To discuss proteins involved in nickel storage and detoxification in microorganisms.

Main Methods:

Literature review of scientific publications on nickel-dependent enzymes and associated proteins.
Analysis of protein functions in nickel ion delivery, storage, and detoxification pathways.
Synthesis of information on the biogenesis of [NiFe]-hydrogenase, urease, and carbon monoxide dehydrogenase.

Main Results:

Identified key accessory proteins crucial for nickel delivery in microbial enzyme synthesis.
Highlighted the roles of specific proteins in the functional assembly of [NiFe]-hydrogenase, urease, and carbon monoxide dehydrogenase.
Discussed the existence and function of proteins involved in managing excess nickel, including storage and detoxification.

Conclusions:

Nickel delivery and management proteins are vital for microbial adaptation and survival.
Understanding these nickel-processing proteins offers insights into microbial metabolism and enzyme function.
Further research into nickel-related proteins can reveal novel mechanisms for nickel homeostasis and enzyme biogenesis.