Template:Protein quaternary structure

v • d • e Protein quaternary structure

General	Globular protein \| Fibrous protein \| Membrane protein \| Coiled coil

Dimers	Leucine zipper

Trimers	Collagen \| Hemagglutinin \| Ornithine transcarbamylase

Tetramers	Hemoglobin \| IgG \| Avidin \| Spectrin

Hexamers	DnaB helicase \| Hemocyanin \| Glutamate Dehydrogenase 1

Octamers	Nucleosome \| Hemerythrin

Fibrils	Actin \| Tubulin \| Flagellum \| Pilus

Complexes	Preinitiation complex \| Immunoglobulin M

Machines	Proteasome \| Ribosome \| ATP synthase \| RNA polymerase \| Spliceosome

Virus	Capsid

Precipitates	Salting out \| Hofmeister series

Methods	Ultracentrifugation \| Size exclusion chromatography

←Tertiary structure Structure determination methods→