1RZ2:
reference: Structures of sortase B from Staphylococcus aureus and Bacillus anthracis reveal catalytic amino acid triad in the active site., Zhang R, Wu R, Joachimiak G, Mazmanian SK, Missiakas DM, Gornicki P, Schneewind O, Joachimiak A, Structure (Camb) 2004 Jul;12(7):1147-56. PMID: 15242591

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