2F88:
reference: Structure of a self-splicing group II intron catalytic effector domain 5: parallels with spliceosomal U6 RNA., Seetharaman M, Eldho NV, Padgett RA, Dayie KT, RNA. 2006 Feb;12(2):235-47. PMID: 16428604

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