4M83:
reference: The crystal structure of two macrolide glycosyltransferases provides a blueprint for host cell antibiotic immunity., Bolam DN, Roberts S, Proctor MR, Turkenburg JP, Dodson EJ, Martinez-Fleites C, Yang M, Davis BG, Davies GJ, Gilbert HJ, Proc Natl Acad Sci U S A. 2007 Mar 27;104(13):5336-41. Epub 2007 Mar 21. PMID: 17376874

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