6WP3:
reference: Structural basis for allosteric regulation of pyruvate kinase M2 by phosphorylation and acetylation., Nandi S, Razzaghi M, Srivastava D, Dey M, J Biol Chem. 2020 Sep 28. pii: RA120.015800. doi: 10.1074/jbc.RA120.015800. PMID: 32989054

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