4OKO:
reference: Structure and function of REP34 implicates carboxypeptidase activity in Francisella tularensis host-cell invasion., Feld GK, El-Etr S, Corzett MH, Hunter MS, Belhocine K, Monack DM, Frank M, Segelke BW, Rasley A, J Biol Chem. 2014 Sep 17. pii: jbc.M114.599381. PMID: 25231992

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