1FI3:
reference: Solution conformation of the Met 61 to His 61 mutant of Pseudomonas stutzeri ZoBell ferrocytochrome c-551., Miller GT, Hardman JK, Timkovich R, Biophys J 2001 Jun;80(6):2928-34. PMID: 11371465

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