1ZT2: Heterodimeric Structure Of The Core Primase.
reference: Structure of the heterodimeric core primase., Lao-Sirieix SH, Nookala RK, Roversi P, Bell SD, Pellegrini L, Nat Struct Mol Biol. 2005 Dec;12(12):1137-44. Epub 2005 Nov 6. PMID: 16273105

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