| 2FMY: reference: Crystal Structure of CO-sensing Transcription Activator CooA Bound to Exogenous Ligand Imidazole., Komori H, Inagaki S, Yoshioka S, Aono S, Higuchi Y, J Mol Biol. 2007 Mar 30;367(3):864-71. Epub 2007 Jan 23. PMID: 17292914 |
This OCA 
Structure page
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(documentation).