5X8R:
reference: Unique localization of the plastid-specific ribosomal proteins in the chloroplast ribosome small subunit provides mechanistic insights into the chloroplastic translation., Ahmed T, Shi J, Bhushan S, Nucleic Acids Res. 2017 Aug 21;45(14):8581-8595. doi: 10.1093/nar/gkx499. PMID: 28582576

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).