5IJR:
reference: Architecture and hydration of the arginine-binding site of neuropilin-1., Mota F, Fotinou C, Rhana R, Chan AWE, Yelland T, Arooz MT, O'Leary AP, Hutton J, Frankel P, Zachary I, Selwood D, Djordjevic S, FEBS J. 2018 Feb 12. doi: 10.1111/febs.14405. PMID: 29430837

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