3A20:
reference: Determination of the role of the Carboxyl-terminal leucine-122 in FMN-binding protein by mutational and structural analysis., Kitamura M, Terakawa K, Inoue H, Hayashida T, Suto K, Morimoto Y, Yasuoka N, Shibata N, Higuchi Y, J Biochem. 2007 Apr;141(4):459-68. Epub 2007 Jan 29. PMID: 17261542

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