2JVE:
reference: Solution structure and phylogenetics of Prod1, a member of the three-finger protein superfamily implicated in salamander limb regeneration., Garza-Garcia A, Harris R, Esposito D, Gates PB, Driscoll PC, PLoS One. 2009 Sep 22;4(9):e7123. doi: 10.1371/journal.pone.0007123. PMID: 19771161

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