1E54:
reference: Crystal structure of Omp32, the anion-selective porin from Comamonas acidovorans, in complex with a periplasmic peptide at 2.1 A resolution., Zeth K, Diederichs K, Welte W, Engelhardt H, Structure Fold Des 2000 Sep 15;8(9):981-92. PMID: 10986465

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