6GCV:
reference: The Molecular Mechanism of Nitrate Chemotaxis via Direct Ligand Binding to the PilJ Domain of McpN., Martin-Mora D, Ortega A, Matilla MA, Martinez-Rodriguez S, Gavira JA, Krell T, MBio. 2019 Feb 19;10(1). pii: mBio.02334-18. doi: 10.1128/mBio.02334-18. PMID: 30782655

This OCA Structure page
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