| 5A0X: reference: Structural Basis of Proline-Proline Peptide Bond Specificity of the Metalloprotease Zmp1 Implicated in Motility of Clostridium difficile., Schacherl M, Pichlo C, Neundorf I, Baumann U, Structure. 2015 Jul 21. pii: S0969-2126(15)00271-3. doi:, 10.1016/j.str.2015.06.018. PMID: 26211609 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).