4AW4:
reference: Engineered variants of InlB with an additional leucine-rich repeat discriminate between physiologically relevant and packing contacts in crystal structures of the InlB:MET complex., Niemann HH, Gherardi E, Bleymuller WM, Heinz DW, Protein Sci. 2012 Aug 10. doi: 10.1002/pro.2142. PMID: 22887347

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