1AGI:
reference: Crystal structure of bovine angiogenin at 1.5-A resolution., Acharya KR, Shapiro R, Riordan JF, Vallee BL, Proc Natl Acad Sci U S A 1995 Mar 28;92(7):2949-53. PMID: 7708754

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