| 6PAO: reference: A structural framework for unidirectional transport by a bacterial ABC exporter., Fan C, Kaiser JT, Rees DC, Proc Natl Acad Sci U S A. 2020 Aug 11;117(32):19228-19236. doi:, 10.1073/pnas.2006526117. Epub 2020 Jul 23. PMID: 32703810 |
This OCA 
Structure page
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(documentation).