PROTEINSUBUNIT

Protein subunit

In structural biology, a protein subunit is a single protein molecule that assembles with other protein molecules to form a protein complex. Some naturally occurring proteins have a relatively small number of subunits and therefore described as oligomeric, for example hemoglobin or DNA polymerase. Others may consist from a very large number of subunits and therefore described as multimeric, for example microtubules and other cytoskeleton proteins. The subunits of a multimeric protein may be identical, homologous or totally dissimilar and dedicated to disparate tasks. In some protein assemblies, one subunit may be referred to as a "regulatory ...

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protein subunit

Noun

  1. Any protein that forms assemblies with others, especially those that form multimers or oligomers.


The above text is a snippet from Wiktionary: protein subunit
and as such is available under the Creative Commons Attribution/Share-Alike License.

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