1URA:
reference: Kinetic and structural consequences of replacing the aspartate bridge by asparagine in the catalytic metal triad of Escherichia coli alkaline phosphatase., Tibbitts TT, Murphy JE, Kantrowitz ER, J Mol Biol 1996 Apr 5;257(3):700-15. PMID: 8648634

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