1QTO:
reference: The 1.5 A crystal structure of a bleomycin resistance determinant from bleomycin-producing Streptomyces verticillus., Kawano Y, Kumagai T, Muta K, Matoba Y, Davies J, Sugiyama M, J Mol Biol 2000 Jan 28;295(4):915-25. PMID: 10656800

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