1U8E:
reference: Tyrosine 547 constitutes an essential part of the catalytic mechanism of dipeptidyl peptidase IV., Bjelke JR, Christensen J, Branner S, Wagtmann N, Olsen C, Kanstrup AB, Rasmussen HB, J Biol Chem 2004 Jun 2;. PMID: 15175333

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