3C1D:
reference: Structural basis for inhibition of homologous recombination by the RecX protein., Ragone S, Maman JD, Furnham N, Pellegrini L, EMBO J. 2008 Aug 20;27(16):2259-69. Epub 2008 Jul 24. PMID: 18650935

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