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  _____      ___     __   _     _____    _    _   
 / ____||   / _ \\  | || | ||  |  ___|| | |  | || 
/ //---`'  / //\ \\ | '--' ||  | ||__   | |/\| || 
\ \\___   |  ___  ||| .--. ||  | ||__   |  /\  || 
 \_____|| |_||  |_|||_|| |_||  |_____|| |_// \_|| 
  `----`  `-`   `-` `-`  `-`   `-----`  `-`   `-`

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Text this: GlcNAc-1,6-anhydro-MurNAc moiety affords unusual glycosyl acceptor that terminates peptidoglycan elongation