+**Quaternary Structure**
+Quaternary structure describes the arrangement of multiple [Protein Subunits](/wiki/protein_subunit) within a larger protein complex. These individual [Protein](/wiki/protein) chains assemble through non-covalent bonds to form a functional macromolecule.
+## See also
+- [Primary Structure](/wiki/primary_structure)
+- [Secondary Structure](/wiki/secondary_structure)
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