4UHP:
reference: Structures of the ultra-high affinity protein-protein complexes of pyocins S2 and AP41 and their cognate immunity proteins from Pseudomonas aeruginosa., Joshi A, Grinter R, Josts I, Chen S, Wojdyla JA, Lowe ED, Kaminska R, Sharp C, McCaughey L, Roszak AW, Cogdell RJ, Byron O, Walker D, Kleanthous C, J Mol Biol. 2015 Jul 24. pii: S0022-2836(15)00395-2. doi:, 10.1016/j.jmb.2015.07.014. PMID: 26215615

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