6W0V:
reference: Molecular Structure and Functional Analysis of Pyocin S8 from Pseudomonas aeruginosa Reveals the Essential Requirement of a Glutamate Residue in the H-N-H Motif for DNase Activity., Turano H, Gomes F, Domingos RM, Degenhardt MFS, Oliveira CLP, Garratt RC, Lincopan N, Netto LES, J Bacteriol. 2020 Oct 8;202(21). pii: JB.00346-20. doi: 10.1128/JB.00346-20., Print 2020 Oct 8. PMID: 32817098

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