3IRP:
reference: Crystal structure of the functional region of Uro-adherence factor A from Staphylococcus saprophyticus reveals participation of the B domain in ligand binding., Matsuoka E, Tanaka Y, Kuroda M, Shouji Y, Ohta T, Tanaka I, Yao M, Protein Sci. 2011 Feb;20(2):406-16. doi: 10.1002/pro.573. PMID: 21280131

This OCA Structure page
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