3Q3Q:
reference: X-ray structure reveals a new class and provides insight into evolution of alkaline phosphatases., Bihani SC, Das A, Nilgiriwala KS, Prashar V, Pirocchi M, Apte SK, Ferrer JL, Hosur MV, PLoS One. 2011;6(7):e22767. Epub 2011 Jul 28. PMID: 21829507

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