2P89:
reference: H/ACA small nucleolar RNA pseudouridylation pockets bind substrate RNA to form three-way junctions that position the target U for modification., Wu H, Feigon J, Proc Natl Acad Sci U S A. 2007 Apr 17;104(16):6655-60. Epub 2007 Apr 5. PMID: 17412831

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