4IGB:
reference: Structural and Functional Analysis of the N-terminal Domain of the Streptococcus gordonii Adhesin Sgo0707., Nylander A, Svensater G, Senadheera DB, Cvitkovitch DG, Davies JR, Persson K, PLoS One. 2013 May 17;8(5):e63768. doi: 10.1371/journal.pone.0063768. Print 2013. PMID: 23691093

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