1MJX:
reference: Three-dimensional structures of mutant forms of E. coli inorganic pyrophosphatase with Asp-->Asn single substitution in positions 42, 65, 70, and 97., Avaeva SM, Rodina EV, Vorobyeva NN, Kurilova SA, Nazarova TI, Sklyankina VA, Oganessyan VY, Samygina VR, Harutyunyan EH, Biochemistry (Mosc). 1998 Jun;63(6):671-84. PMID: 9668207

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