... species, but mainly innonvertebrate animals, and invariably connected via a linker to an animal-type a- amylase (listed in Table S1),as shown in Fig. 1. More specifically, the primarystructure ... variable length, generally connecting a cata-lytic domain bearing the active site to a carbohydrate-binding module, which mediates attachment to themacromolecular substrate [1–5]. Significantly, ... Crassos-trea gigas (Mollusca, Bivalvia). Sequence data were depos-ited in GenBank (Table S1).Searches in databasesUsing the putative C-terminal domain of C. fluminea as a query, sequence databases...