Robuta

https://pubmed.ncbi.nlm.nih.gov/26396977/
The potato virus M (PVM), belonging to the genus Carlavirus, is a worldwide endemic pathogen in potato fields. p11 is an 11-16 kDa protein encoded by the last...
cysteine rich proteinpotato virusmolecularvariability
https://www.ncbi.nlm.nih.gov/Structure/pdb/1KLX
Cysteine Rich Protein B
cysteine rich proteinhelicobacter pylori