6QMN:
reference: Structure, stability and aggregation propensity of a Ribonuclease A-Onconase chimera., Esposito L, Donnarumma F, Ruggiero A, Leone S, Vitagliano L, Picone D, Int J Biol Macromol. 2019 Apr 23. pii: S0141-8130(19)31077-3. doi:, 10.1016/j.ijbiomac.2019.04.164. PMID: 31026530

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