quaternary structure
Biochemistry
noun
The three-dimensional arrangement and relationships of the subunits which make up a complex protein, nucleoprotein, or other multimeric macromolecule.
Origin
1950s. Compare slightly earlier tertiary.
- heading
- heading course
- heading dog
- heading joint
- heading knife
- heading machine
- heading up
- head job
- head-kerchief
- head kidney
- head knee
- head knife
- headlamp
- headland
- headland speech
- head lease
- headledge
- headless
- headless chicken
- headless cross
- head lessee
- headless horse
- headless horseman
- headlessness
- headlet