5F56:
reference: Structural basis for DNA 5 -end resection by RecJ., Cheng K, Xu H, Chen X, Wang L, Tian B, Zhao Y, Hua Y, Elife. 2016 Apr 8;5. pii: e14294. doi: 10.7554/eLife.14294. PMID: 27058167

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