Carbohydrate-Binding Module Family 4

Activities in FamilyModules of approx. 150 residues found in bacterial enzymes. Binding of these modules has been demonstrated with xylan, β-1,3-glucan, β-1,3-1,4-glucan, β-1,6-glucan and amorphous cellulose but not with crystalline cellulose.
3D Structure Statusβ-sandwich
NotePreviously known as cellulose-binding domain family IV (CBD IV).
External resourcesHOMSTRAD;
Statistics GenBank accession (448); Uniprot accession (125); PDB accession (18); 3D entries (10); cryst (4)
All (601) Archaea (2) Bacteria (591) unclassified (8) Structure (10 - 4 cryst) Characterized (52)


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AFMB - CNRS - Université d'Aix-Marseille