Silicon
Silica
Amyloid 
Prion
Protein 
DNA 

Self-assembling peptide and protein amyloids: from structure to tailored function in nanotechnology

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6364806/

https://en.m.wikipedia.org/wiki/Amyloid#Structure

disulfide-constrained proteins, which are prone to form amyloid fibrils (such as insulin and lysozyme), adopt the amyloid β-sheet motif.

Disulfide Bridges Remain Intact while Native Insulin Converts into Amyloid Fibrils

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3365881/