1DMA:
reference: The crystal structure of Pseudomonas aeruginosa exotoxin domain III with nicotinamide and AMP: conformational differences with the intact exotoxin., Li M, Dyda F, Benhar I, Pastan I, Davies DR, Proc Natl Acad Sci U S A 1995 Sep 26;92(20):9308-12. PMID: 7568123

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