6BT4:
reference: Molecular Basis for the Attachment of S-Layer Proteins to the Cell Wall of Bacillus anthracis., Sychantha D, Chapman RN, Bamford NC, Boons GJ, Howell PL, Clarke AJ, Biochemistry. 2018 Mar 14. doi: 10.1021/acs.biochem.8b00060. PMID: 29522326

This OCA Structure page
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