5UM2:
reference: Sulfate-Binding Protein (Sbp) from Xanthomonas citri: Structure and Functional Insights., Pereira CT, Roesler C, Faria JN, Fessel MR, Balan A, Mol Plant Microbe Interact. 2017 Jul;30(7):578-588. doi:, 10.1094/MPMI-02-17-0032-R. Epub 2017 May 31. PMID: 28562158

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