1H2U:
reference: Large-scale induced fit recognition of an m(7)GpppG cap analogue by the human nuclear cap-binding complex., Mazza C, Segref A, Mattaj IW, Cusack S, EMBO J 2002 Oct 15;21(20):5548-57. PMID: 12374755

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