5X5I:
reference: A structural sketch of RcdA, a transcription factor controlling the master regulator of biofilm formation., Sugino H, Usui T, Shimada T, Nakano M, Ogasawara H, Ishihama A, Hirata A, FEBS Lett. 2017 Jul;591(13):2019-2031. doi: 10.1002/1873-3468.12713. Epub 2017, Jun 26. PMID: 28608551

This OCA Structure page
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