6COR:
reference: Structural Characterization of Competence-Stimulating Peptide Analogues Reveals Key Features for ComD1 and ComD2 Receptor Binding in Streptococcus pneumoniae., Yang Y, Cornilescu G, Tal-Gan Y, Biochemistry. 2018 Aug 28. doi: 10.1021/acs.biochem.8b00653. PMID: 30125091

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