6I09:
reference: Structural basis of denuded glycan recognition by SPOR domains in bacterial cell division., Alcorlo M, Dik DA, De Benedetti S, Mahasenan KV, Lee M, Dominguez-Gil T, Hesek D, Lastochkin E, Lopez D, Boggess B, Mobashery S, Hermoso JA, Nat Commun. 2019 Dec 5;10(1):5567. doi: 10.1038/s41467-019-13354-4. PMID: 31804467

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