4NV0:
reference: Crystal Structures of the Novel Cytosolic 5'-Nucleotidase IIIB Explain Its Preference for m7GMP., Monecke T, Buschmann J, Neumann P, Wahle E, Ficner R, PLoS One. 2014 Mar 6;9(3):e90915. doi: 10.1371/journal.pone.0090915. eCollection , 2014. PMID: 24603684

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