Icosahedral
Helical
Geometric
Symmetry

..

VIRUS
Capsid

VS

BACTERIA
Pyruvate Dehydrogenase Complex

..

BACTERIA

https://en.m.wikipedia.org/wiki/Pyruvate_dehydrogenase_complex

https://en.m.wikipedia.org/wiki/Pyruvate_dehydrogenase

https://en.m.wikipedia.org/wiki/Branched-chain_alpha-keto_acid_dehydrogenase_complex

VIRUS

https://en.m.wikipedia.org/wiki/Capsid

https://en.m.wikipedia.org/wiki/Molecular_self-assembly

https://en.m.wikipedia.org/wiki/Tobacco_mosaic_virus

..

BACTERIA:
Pyruvate Dehydrogenase Complex

Structure of the Pyruvate Dehydrogenase Complex

https://sandwalk.blogspot.com/2007/04/structure-of-pyruvate-dehydrogenase.html?m=1

Beyond the Bacterial Microcompartment

https://schaechter.asmblog.org/schaechter/2011/04/beyond-the-bacterial-microcompartment.html

..

VIRUS
Capsid