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单词 Subunit protein
释义

Subunit protein

英语百科

Protein subunit

Rendering of HLA-A11 showing the α (A*1101 gene product) and β (Beta-2 microglobin) subunits. This receptor has a bound peptide (in the binding pocket) of heterologous origin that also contributes to function.

In structural biology, a protein subunit is a single protein molecule that assembles (or "coassembles") 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.

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更新时间:2025/6/21 16:26:44