Metalloprotein
Metalloprotein
Metalloprotein (pronunciation: /ˌmɛtəloʊˈproʊtiːn/) is a type of protein that binds one or more metal ions. These proteins are a subset of proteins and are essential for many biological processes.
Etymology
The term "metalloprotein" is derived from the Greek words "metallon" which means metal and "proteios" which means primary or of first importance.
Function
Metalloproteins have many different functions in cells, such as enzymes, transport and storage proteins, signal transduction proteins, and structural proteins. The metal ions in metalloproteins can be either a catalyst for the protein's function or a structural component.
Types of Metalloproteins
There are several types of metalloproteins, including hemoglobin, cytochrome c oxidase, and nitrogenase. Each of these proteins contains a different type of metal ion, such as iron, copper, or molybdenum.
Related Terms
- Enzyme: A protein that speeds up a chemical reaction in the body.
- Protein: A molecule composed of amino acids that is necessary for the body to build and repair body tissue.
- Ion: An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- Catalyst: A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
External links
- Medical encyclopedia article on Metalloprotein
- Wikipedia's article - Metalloprotein
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