3K8U:
reference: Crystal structure of the peptidase domain of streptococcus ComA, a bifunctional ATP-binding cassette transporter involved in quorum sensing pathway., Ishii S, Yano T, Ebihara A, Okamoto A, Manzoku M, Hayashi H, J Biol Chem. 2010 Jan 25. PMID: 20100826

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