6WCR:
reference: An influenza A hemagglutinin small-molecule fusion inhibitor identified by a new high-throughput fluorescence polarization screen., Yao Y, Kadam RU, Lee CD, Woehl JL, Wu NC, Zhu X, Kitamura S, Wilson IA, Wolan DW, Proc Natl Acad Sci U S A. 2020 Aug 4;117(31):18431-18438. doi:, 10.1073/pnas.2006893117. Epub 2020 Jul 20. PMID: 32690700

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