BioScience Dictionary

 
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Found Quaternary structure 2 times.

Displaying results 1 to 10.

1. Quaternary structure
The three-dimensional structure of a complex protein ; this especially refers to the way the polypeptide subunits fit together.

2. Quaternary structure
In some proteins , a fourth structural level created by interactions with other proteins. Aspect of protein structure determined by the number and arrangement of polypeptides in a large protein such as hemoglobin.