quaternary structure

https://doi.org/10.1351/goldbook.Q05004
The defined organization of two or more macromolecules with @T06282@ such as a protein that are held together by hydrogen bonds and van der Waals and coulombic forces.
See also:
primary structure
,
secondary structure
,
tertiary structure
Source:
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2216 [Terms] [Paper]
See also:
White Book, 2nd ed., p. 80 [Terms] [Book]