1B2V: Heme-Binding Protein A
reference: The crystal structure of HasA, a hemophore secreted by Serratia marcescens., Arnoux P, Haser R, Izadi N, Lecroisey A, Delepierre M, Wandersman C, Czjzek M, Nat Struct Biol. 1999 Jun;6(6):516-20. PMID: 10360351

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