6AMP:
reference: Effects of copper occupancy on the conformational landscape of peptidylglycine alpha-hydroxylating monooxygenase., Maheshwari S, Shimokawa C, Rudzka K, Kline CD, Eipper BA, Mains RE, Gabelli SB, Blackburn N, Amzel LM, Commun Biol. 2018 Jun 25;1:74. doi: 10.1038/s42003-018-0082-y. eCollection 2018. PMID: 30271955

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