3RSP:
reference: Structure and stability of the P93G variant of ribonuclease A., Schultz LW, Hargraves SR, Klink TA, Raines RT, Protein Sci 1998 Jul;7(7):1620-5. PMID: 9684895

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