2KZ8:
reference: Solution structure and biophysical properties of MqsA, a Zn-containing antitoxin from Escherichia coli., Papadopoulos E, Collet JF, Vukojevic V, Billeter M, Holmgren A, Graslund A, Vlamis-Gardikas A, Biochim Biophys Acta. 2012 Jul 10. PMID: 22789559

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