Macromolecular assembly
Macromolecular assembly
Macromolecular assembly (pronunciation: /ˌmakroʊˌmɒlɪˈkjʊlər əˈsɛmbli/) refers to the aggregation of molecular subunits, often in a regular pattern. These subunits can be the same (homomeric) or different (heteromeric).
Etymology
The term is derived from the Greek words makros meaning "large", molekula meaning "molecule", and assembly from the Old French assembler meaning "to come together".
Related Terms
- Protein complex: A macromolecular complex formed by proteins.
- Nucleic acid complex: A macromolecular complex formed by nucleic acids.
- Polymer: A large molecule composed of repeating subunits.
- Supramolecular assembly: A complex of molecules held together by non-covalent bonds.
Structure and Function
Macromolecular assemblies are fundamental to biological function. They can be found in all living organisms, where they perform a wide variety of functions, including structural support, catalysis of chemical reactions, and transport and packaging of molecules. Examples of macromolecular assemblies include ribosomes, viral capsids, and cell membranes.
Methods of Study
Several techniques are used to study macromolecular assemblies, including X-ray crystallography, cryo-electron microscopy, and nuclear magnetic resonance spectroscopy.
See Also
External links
- Medical encyclopedia article on Macromolecular assembly
- Wikipedia's article - Macromolecular assembly
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