3ZPP:
reference: Structure of the Streptococcus pneumoniae Surface Protein and Adhesin PfbA., Suits MD, Boraston AB, PLoS One. 2013 Jul 22;8(7):e67190. doi: 10.1371/journal.pone.0067190. Print 2013. PMID: 23894284

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