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Overview of domain 2 (grey) in ribbon representation. (a) shows NcCel3A, (b) ReCel3A (PDB entry 5ju6; Gudmundsson et al., 2016 ▸) and (c) HvExoI (PDB entry 1iex; Hrmova et al., 2001 ▸). Loops III and IV are highlighted in cyan and magenta, respectively. Other domains are represented by surfaces coloured according to the scheme presented in Fig. 1 ▸.
