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Structural features of the ChiD from T. chitonophagus (Tc-ChiD) and truncated Tc-ChiD proteins [Tc-ChiD(ΔS) and Tc-ChiD(ΔBD)]. A putative signal sequence (pink, residues 1 to 25), two chitin-binding domains (ChBDs) (yellow, residues 33 to 133 and 181 to 280), and a putative catalytic domain (green, residues 321 to 805) are indicated.
