4KRW:
reference: Structural Rearrangement in an RsmA/CsrA Ortholog of Pseudomonas aeruginosa Creates a Dimeric RNA-Binding Protein, RsmN., Morris ER, Hall G, Li C, Heeb S, Kulkarni RV, Lovelock L, Silistre H, Messina M, Camara M, Emsley J, Williams P, Searle MS, Structure. 2013 Aug 13. pii: S0969-2126(13)00257-8. doi:, 10.1016/j.str.2013.07.007. PMID: 23954502

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