4NET:
reference: Structure of the extended-spectrum class C beta-lactamase ADC-1 from Acinetobacter baumannii., Bhattacharya M, Toth M, Antunes NT, Smith CA, Vakulenko SB, Acta Crystallogr D Biol Crystallogr. 2014 Mar;70(Pt 3):760-71. doi:, 10.1107/S1399004713033014. Epub 2014 Feb 22. PMID: 24598745

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