5IQW:
reference: Replacing Arginine 33 for Alanine in the Hemophore HasA from Pseudomonas aeruginosa Causes Closure of the H32 Loop in the Apo-Protein., Kumar R, Qi Y, Matsumura H, Lovell S, Yao H, Battaile KP, Im W, Moenne-Loccoz P, Rivera M, Biochemistry. 2016 Apr 28. PMID: 27074415

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