Carbohydrate-Binding Module Family 3

Activities in FamilyModules of approx. 150 residues found in bacterial enzymes. The cellulose-binding function has been demonstrated in many cases. In one instance binding to chitin has been reported.
3D Structure Statusβ-sandwich
NotePreviously known as cellulose-binding domain family III (CBD III).
External resourcesHOMSTRAD; PROSITE;
Commercial Enzyme Provider(s)NZYTech; PROZOMIX;
Statistics GenBank accession (1093); Uniprot accession (275); PDB accession (33); 3D entries (18); cryst (0)
All (1141) Archaea (2) Bacteria (1136) Eukaryota (2) unclassified (1) Structure (18) Characterized (133)
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Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 endoglucanase (Eng9C)   Clostridium cellulovorans BAV13038.1    
 endoglucanase (Eng9B)   Clostridium cellulovorans BAV13037.1    
 Clocel_0546   Clostridium cellulovorans 743B ADL50319.1 D9SR31  
 Clocel_2576   Clostridium cellulovorans 743B ADL52288.1 D9SQT2  
 endo-β-1,4-glucanase (EngZ;NC1;Clocel_2741) 3.2.1.4 Clostridium cellulovorans 743B ADL52438.1
YP_003844202.1
D9SRK9  
 Clocel_3326   Clostridium cellulovorans 743B ADL53006.1 D9SV32  
 Clocel_3327   Clostridium cellulovorans 743B ADL53007.1 D9SV33  
 Clocel_0930   Clostridium cellulovorans 743B ADL50698.1 D9ST82  
 Clocel_2822 (EngH)   Clostridium cellulovorans 743B ADL52518.1 D9SS71  
 Clocel_2824   Clostridium cellulovorans 743B ADL52520.1 D9SS73  
 scaffoldin (CbpA)   Clostridium cellulovorans ATCC 35269 AAA23218.1
AAE16382.1
AAO30719.1
P38058  
 endo-β-1,4-glucanase H (EngH) 3.2.1.4 Clostridium cellulovorans ATCC 35296 AAC38572.2 O65987  
 Clocl_1053   [Clostridium] clariflavum DSM 19732 AEV67730.1    
 Clocl_1056   [Clostridium] clariflavum DSM 19732 AEV67733.1    
 Clocl_1192   [Clostridium] clariflavum DSM 19732 AEV67853.1    
 Clocl_1566   [Clostridium] clariflavum DSM 19732 AEV68202.1    
 Clocl_1566   [Clostridium] clariflavum DSM 19732 AEV68202.1    
 Clocl_1567   [Clostridium] clariflavum DSM 19732 AEV68203.1    
 Clocl_1806   [Clostridium] clariflavum DSM 19732 AEV68415.1    
 Clocl_1864   [Clostridium] clariflavum DSM 19732 AEV68472.1    
 Clocl_1864   [Clostridium] clariflavum DSM 19732 AEV68472.1    
 endoglucanase (Clocl_2225) 3.2.1.4 [Clostridium] clariflavum DSM 19732 AEV68817.1    
 Clocl_2843   [Clostridium] clariflavum DSM 19732 AEV69392.1    
 Clocl_3001   [Clostridium] clariflavum DSM 19732 AEV69539.1    
 Clocl_3001   [Clostridium] clariflavum DSM 19732 AEV69539.1    
 Clocl_3038   [Clostridium] clariflavum DSM 19732 AEV69573.1    
 Clocl_3038   [Clostridium] clariflavum DSM 19732 AEV69573.1    
 Clocl_3253   [Clostridium] clariflavum DSM 19732 AEV69768.1    
 Clocl_4008 (Cbm3B)   [Clostridium] clariflavum DSM 19732 AEV70444.1   4B96[A]
 Clocl_3306 (ScaA)   [Clostridium] clariflavum DSM 19732 AEV69809.1    
 Clocl_3953   [Clostridium] clariflavum DSM 19732 AEV70393.1    
 scaffoldin (CipA)   Clostridium josui BAA32429.1
BAI52923.1
O82830  
 Cel9D (Cel9D)   Clostridium josui BAI52930.1 D1MX99  
 Cel9A (Cel9A)   Clostridium josui BAI52926.1 D1MX95  
 Cel9C (Cel9C)   Clostridium josui BAI52929.1 D1MX98  
 Clole_0485   Clostridium lentocellum DSM 5427 ADZ82224.1    
 Clole_0485   Clostridium lentocellum DSM 5427 ADZ82224.1    
 Clole_0575   Clostridium lentocellum DSM 5427 ADZ82311.1    
 Clole_0683   Clostridium lentocellum DSM 5427 ADZ82416.1    
 Clole_0709   Clostridium lentocellum DSM 5427 ADZ82442.1    
 Clole_0709   Clostridium lentocellum DSM 5427 ADZ82442.1    
 Clole_1968   Clostridium lentocellum DSM 5427 ADZ83685.1    
 Clole_3660   Clostridium lentocellum DSM 5427 ADZ85343.1    
 Clole_3667   Clostridium lentocellum DSM 5427 ADZ85350.1    
 Clole_3667   Clostridium lentocellum DSM 5427 ADZ85350.1    
 Clole_0675 (fragment)   Clostridium lentocellum DSM 5427 ADZ82408.1    
 Clole_1631   Clostridium lentocellum DSM 5427 ADZ83356.1    
 Clole_2599 (fragment)   Clostridium lentocellum DSM 5427 ADZ84302.1    
 Clole_2865   Clostridium lentocellum DSM 5427 ADZ84563.1    
 Clole_3414   Clostridium lentocellum DSM 5427 ADZ85101.1    
 Clole_3668   Clostridium lentocellum DSM 5427 ADZ85351.1    
 Cspa_c18570 (CbpA)   Clostridium saccharoperbutylacetonicum N1-4(HMT) AGF55627.1    
 Cspa_c18570 (CbpA)   Clostridium saccharoperbutylacetonicum N1-4(HMT) AGF55627.1    
 Cspa_c18610   Clostridium saccharoperbutylacetonicum N1-4(HMT) AGF55631.1    
 CLSAP_17880 (ManA)   Clostridium saccharoperbutylacetonicum N1-504 AQR94479.1    
 CLSAP_17880 (ManA)   Clostridium saccharoperbutylacetonicum N1-504 AQR94479.1    
 Clo1100_1824   Clostridium sp. BNL1100 AEY66034.1    
 Clo1100_1825   Clostridium sp. BNL1100 AEY66035.1    
 Clo1100_1850   Clostridium sp. BNL1100 AEY66060.1    
 Clo1100_1958   Clostridium sp. BNL1100 AEY66152.1    
 Clo1100_1958   Clostridium sp. BNL1100 AEY66152.1    
 Clo1100_1821   Clostridium sp. BNL1100 AEY66031.1    
 Clo1100_0253   Clostridium sp. BNL1100 AEY64541.1    
 Clo1100_0933   Clostridium sp. BNL1100 AEY65189.1    
 Clo1100_1263   Clostridium sp. BNL1100 AEY65511.1    
 Clo1100_1818   Clostridium sp. BNL1100 AEY66028.1    
 cellodextrinohydrolase (avicelase II) (CelY) 3.2.1.176 Clostridium stercorarium CAA93280.1 P50900  
 endo-β-1,4-glucanase Z / avicelase I (CelZ) 3.2.1.4 Clostridium stercorarium CAA39010.1 P23659  
 endo-β-1,4-glucanase Z / avicelase I (CelZ) 3.2.1.4 Clostridium stercorarium CAA39010.1 P23659  
 CSTERLE_09215   [Clostridium] stercorarium subsp. leptospartum DSM 9219 ANX01737.1    
 Cst_c18960 (CelZ)   [Clostridium] stercorarium subsp. stercorarium DSM 8532 AGI39870.1
AGC68873.1
   
 Cst_c18960 (CelZ)   [Clostridium] stercorarium subsp. stercorarium DSM 8532 AGI39870.1
AGC68873.1
   
 Cst_c18970 (CelY)   [Clostridium] stercorarium subsp. stercorarium DSM 8532 AGC68874.1
AGI39871.1
P50900  
 CSTERTH_09150   [Clostridium] stercorarium subsp. thermolacticum DSM 2910 ANW99179.1    
 CSTERTH_09150   [Clostridium] stercorarium subsp. thermolacticum DSM 2910 ANW99179.1    
 CSTERTH_09155   [Clostridium] stercorarium subsp. thermolacticum DSM 2910 ANW99180.1    
 CYFUS_009081   Cystobacter fuscus DSM 52655 ATB43601.1    
 CYFUS_009290   Cystobacter fuscus DSM 52655 ATB43810.1    
 CYFUS_003582   Cystobacter fuscus DSM 52655 ATB38151.1    
 CYFUS_003337   Cystobacter fuscus DSM 52655 ATB37912.1    
 CYFUS_007541   Cystobacter fuscus DSM 52655 ATB42065.1    
 CYFUS_007541   Cystobacter fuscus DSM 52655 ATB42065.1    
 Echvi_3403   Echinicola vietnamensis DSM 17526 AGA79623.1    
 Echvi_3403   Echinicola vietnamensis DSM 17526 AGA79623.1    
 endoglucanase / cellulose-binding protein A / E1 (Cbpe1;CbpA) 3.2.1.4 Eubacterium cellulosolvens 5 BAB86305.1 Q8RR29  
 endoglucanase / cellulose-binding protein B (CbpB) 3.2.1.4 Eubacterium cellulosolvens 5 BAE20171.1 Q402U6  
 FAES_2249   Fibrella aestuarina BUZ 2 CCH00258.1    
 FAES_2249   Fibrella aestuarina BUZ 2 CCH00258.1    
 FAES_2922 (Cela7)   Fibrella aestuarina BUZ 2 CCH00931.1    
 FAES_2922 (Cela7)   Fibrella aestuarina BUZ 2 CCH00931.1    
 A6C57_22330   Fibrella sp. ES10-3-2-2 ARK12847.1    
 A6C57_22330   Fibrella sp. ES10-3-2-2 ARK12847.1    
 A6C57_00195   Fibrella sp. ES10-3-2-2 ARK08850.1    
 A6C57_00195   Fibrella sp. ES10-3-2-2 ARK08850.1    
 A6C57_02840   Fibrella sp. ES10-3-2-2 ARK09349.1    
 A6C57_02840   Fibrella sp. ES10-3-2-2 ARK09349.1    
 MY04_3319   Flammeovirga sp. MY04 ANQ50681.1    
 MY04_1448 (fragment)   Flammeovirga sp. MY04 ANQ48824.1    
 mannase E   Flammeovirga yaeyamensis MY04 (CGMCC 2777) ADD14025.1 D3XDE2  
 endoglucanase   Geobacillus stearothermophilus CICC-20649 ADO21451.1 E3V048  
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