5B3D:
reference: Rearrangements of alpha-helical structures of FlgN chaperone control the binding affinity for its cognate substrates during flagellar type III export., Kinoshita M, Nakanishi Y, Furukawa Y, Namba K, Imada K, Minamino T, Mol Microbiol. 2016 May 13. doi: 10.1111/mmi.13415. PMID: 27178222

This OCA Structure page
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