5YIF:
reference: Identification and characterization of a novel beta-D-galactosidase that releases pyruvylated galactose., Higuchi Y, Matsufuji H, Tanuma M, Arakawa T, Mori K, Yamada C, Shofia R, Matsunaga E, Tashiro K, Fushinobu S, Takegawa K, Sci Rep. 2018 Aug 13;8(1):12013. doi: 10.1038/s41598-018-30508-4. PMID: 30104607

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