4JRU:
reference: Structure of Haze Forming Proteins in White Wines: Vitis vinifera Thaumatin-Like Proteins., Marangon M, Van Sluyter SC, Waters EJ, Menz RI, PLoS One. 2014 Dec 2;9(12):e113757. doi: 10.1371/journal.pone.0113757., eCollection 2014. PMID: 25463627

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