1NAR:
reference: Crystal structure of narbonin at 1.8 A resolution., Hennig M, Pfeffer-Hennig S, Dauter Z, Wilson KS, Schlesier B, Nong VH, Acta Crystallogr D Biol Crystallogr. 1995 Mar 1;51(Pt 2):177-89. PMID: 15299319

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