Carbohydrate-Binding Module Family 1

Activities in FamilyModules of approx. 40 residues found almost exclusively in fungi. The cellulose-binding function has been demonstrated in many cases, and appears to be mediated by three aromatic residues separated by about 10.4 angstrom and which form a flat surface. The only non-fungal occurence of CBM1 is in an algal non-hydrolytic polysaccharide-binding protein which is composed of four repeated CBM1 modules. Binding to chitin has been demonstrated in one case.
NotePreviously known as cellulose-binding domain family I (CBD I).
External resourcesPROSITE; SMART;
Statistics GenBank accession (1213); Uniprot accession (331); PDB accession (20); 3D entries (5); cryst (1)
All (1046) Bacteria (1) Eukaryota (1039) Viruses (1) unclassified (5) Structure (5 - 1 cryst) Characterized (217)
| 1 | 2 | 3 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 endoglucanase I (EgI;EGI) 3.2.1.4 Trichoderma sp. SSL ACH68455.1 B5M4A3  
 cellobiohydrolase I (Cbh1) 3.2.1.176 Trichoderma virens UKM-1 ACF93800.1 B5ATG1  
 cellobiohydrolase I / chitosanase (CBH1) 3.2.1.176
3.2.1.132
Trichoderma viride CAA37878.1 P19355  
 endoglucanase III (EG3;EGIII) 3.2.1.4 Trichoderma viride AS 3.3711 AAQ21383.1 Q7Z7X2  
 endo-β-1,4-glucanase I (EGI;BglI) 3.2.1.4 Trichoderma viride AS 3.3711 AAQ21382.1 Q7Z7X3  
 endoglucanase V (EGV) 3.2.1.4 Trichoderma viride AS 3.3711 AAQ21385.1 Q7Z7X0  
 cellobiohydrolase I (CbhI) 3.2.1.176 Trichoderma viride AS 3.3711 AAQ76092.1 Q6UJY1  
 cellobiohydrolase II (CbhII;Cbh2) 3.2.1.91 Trichoderma viride CICC 13038 AAQ76094.1 Q6UJX9  
 endoglucanase I 3.2.1.4 Trichoderma viride HK-75   Q7M4V4  
 endo-β-1,4-glucanase II (Egl2) 3.2.1.4 Trichoderma viride MC300-1 BAA36216.1 O93833  
 cellobiohydrolase I (Cbh1) 3.2.1.176 Trichoderma viride MC300-1 BAA36215.1 P19355  
 xylanase (Xyn1) 3.2.1.8 Volvariella volvacea AAP81158.1 Q7Z948  
 cellobiohydrolase I (CbhI) 3.2.1.176 Volvariella volvacea V14 AAD41096.1 Q9Y895  
 cellobiohydrolase II (CbhII) (frameshift) 3.2.1.91 Volvariella volvacea V14 AAD41097.1 Q9Y894  
 acetyl xylan esterase I (AxeI;VvAXE1) 3.1.1.72 Volvariella volvacea V14 ABI63599.1 Q09IZ4  
 endoglucanase I (EG1;EGI) 3.2.1.4 Volvariella volvacea V14 AAG59832.1 Q9C3Z8  
 endoglucanase I (EgI;NCel5A) (Cel5A) 3.2.1.4 Volvariella volvacea WX32 ACE06751.1    
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