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Figure 6
Putative YiuA site 1 amino-acid residues. The basic triad binding motif and auxiliary residues are shown, emphasizing their location at the arch of the c-clamp. A representative vibriobactin docking result demonstrates how site 1 residues might interact with a metal-chelate cargo. In this simulation, arginine and histidine residues shield substrate O atoms as the tyrosine residue is positioned to coordinate an Fe atom.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 73| Part 11| November 2017| Pages 921-939
https://doi.org/10.1107/S2059798317015236
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