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Cartoon ribbon representation of loop II (blue). (a) shows NcCel3A, (b) ReCel3A (PDB entry 5ju6; Gudmundsson et al., 2016 ▸), (c) AaBgl1 (PDB entry 4iih; Suzuki et al., 2013 ▸) and (d) HjCel3A (PDB entry 3zyz; Karkehabadi et al., 2014 ▸). Domain 1 is coloured green, domain 2 grey, loop V red and loop I orange; active-site ligands are shown as magenta sticks, active-site residues in stick representation, electron density as a blue mesh and N-glycosylations as yellow sticks.
