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Keywords:

  • Cellulomonas fimi;
  • Xylanase structure;
  • NodB domain;
  • Deacetylase

Abstract

The NodB-like domain from Cellulomonas fimi xylanase D is a member of a small family of structurally homologous proteins which includes a chitin deacetylase from Mucor rouxii, an acetylxylan esterase from Streptomyces lividans and the NodB protein from rhizobia . Functional analysis of the xylanase D NodB domain suggests that, like other members of the family, it is a deacetylase, whose function is to remove acetyl groups from acetylated xylan.