6H2J:
reference: Crystal structure of a novel domain of the motor subunit of the Type I restriction enzyme EcoR124 involved in complex assembly and DNA binding., Grinkevich P, Sinha D, Iermak I, Guzanova A, Weiserova M, Ludwig J, Mesters JR, Ettrich RH, J Biol Chem. 2018 Jul 27. pii: RA118.003978. doi: 10.1074/jbc.RA118.003978. PMID: 30054276

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