Domain structures of Intact (left), CD (center left), CBM-linker (center right), and CBM (right) of TrCel6A.
Pink spheres represent CD, blue spheres represent the linker, and green spheres represent CBM. Yellow spheres in CBM represent added free cysteine at position 43. Yellow spheres in CD represent the S386C mutation, and yellow spheres in the linker represent the S83C mutation. Orange spheres represent estimated sugar modifications on the linker.