6SYI:
reference: structural characterization of the interaction between the C-terminal domain of the influenza polymerase PA subunit and an optimized small peptide inhibitor., Hejdanek J, Radilova K, Pachl P, Hodek J, Machara A, Weber J, Rezacova P, Konvalinka J, Kozisek M, Antiviral Res. 2020 Nov 6;185:104971. doi: 10.1016/j.antiviral.2020.104971. PMID: 33166574

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