6L3N:
reference: Structural and Biochemical insights to the Recruitment of Acyl Carrier Protein-linked Extender Units in Ansamitocin Biosynthesis., Zhang F, Ji H, Ali I, Deng Z, Bai L, Zheng J, Chembiochem. 2019 Nov 27. doi: 10.1002/cbic.201900628. PMID: 31777147

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