5U3H:
reference: Molecular Cross-Talk between Nonribosomal Peptide Synthetase Carrier Proteins and Unstructured Linker Regions., Harden BJ, Frueh DP, Chembiochem. 2017 Jan 24. doi: 10.1002/cbic.201700030. PMID: 28120469

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