2MFA:
reference: Chemical Synthesis, 3D Structure, and ASIC Binding Site of the Toxin Mambalgin-2., Schroeder CI, Rash LD, Vila-Farres X, Rosengren KJ, Mobli M, King GF, Alewood PF, Craik DJ, Durek T, Angew Chem Int Ed Engl. 2013 Dec 9. doi: 10.1002/anie.201308898. PMID: 24323786

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