1K7H:
reference: The 1.9 A crystal structure of heat-labile shrimp alkaline phosphatase., de Backer M, McSweeney S, Rasmussen HB, Riise BW, Lindley P, Hough E, J Mol Biol 2002 May 17;318(5):1265-74. PMID: 12083516

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