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Overall structure of SpGH29C. The X-ray crystal structure of SpGH29C is represented as a cartoon colored from blue (N terminus (Nter)) to red (C terminus (Cter)). Both catalytic residues and a Bis-Tris molecule observed to be bound in the active site are shown as gray sticks. The numbering of helices and β-strands comprising the (α/β)8 catalytic module is indicated. The strand numbering of the ancillary module is also indicated.
