6SM3:
reference: Structural and functional insights into oligopeptide acquisition by the RagAB transporter from Porphyromonas gingivalis., Madej M, White JBR, Nowakowska Z, Rawson S, Scavenius C, Enghild JJ, Bereta GP, Pothula K, Kleinekathoefer U, Basle A, Ranson NA, Potempa J, van den Berg B, Nat Microbiol. 2020 May 11. pii: 10.1038/s41564-020-0716-y. doi:, 10.1038/s41564-020-0716-y. PMID: 32393857

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