2FPO:
reference: Methyltransferase that modifies guanine 966 of the 16 S rRNA: functional identification and tertiary structure., Lesnyak DV, Osipiuk J, Skarina T, Sergiev PV, Bogdanov AA, Edwards A, Savchenko A, Joachimiak A, Dontsova OA, J Biol Chem. 2007 Feb 23;282(8):5880-7. Epub 2006 Dec 21. PMID: 17189261

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