5WTN:
reference: Structural analyses of the bacterial primosomal protein DnaB reveal that it is a tetramer and forms a complex with a primosomal re-initiation protein., Li YC, Naveen V, Lin MG, Hsiao CD, J Biol Chem. 2017 Aug 14. pii: jbc.M117.792002. doi: 10.1074/jbc.M117.792002. PMID: 28808061

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