1TGL:
reference: A serine protease triad forms the catalytic centre of a triacylglycerol lipase., Brady L, Brzozowski AM, Derewenda ZS, Dodson E, Dodson G, Tolley S, Turkenburg JP, Christiansen L, Huge-Jensen B, Norskov L, et al., Nature 1990 Feb 22;343(6260):767-70. PMID: 2304552

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