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
 endo-β-1,4-xylanase B (XynC81) 3.2.1.8 Achaetomium sp. Xz-8 AHE13929.1    
 cellobiohydrolase (Cbh1;ActCbh1) (Cel7A) 3.2.1.176 Acremonium thermophilum ALKO4245 CAM98445.1 A7WNT9  
 cellulase (Eng-2;ArENG2) 3.2.1.4 Adineta ricciae AKC91346.1    
 cellulase (Eng-2;ArENG2) 3.2.1.4 Adineta ricciae AKC91346.1    
 β-mannanase (Cel4A) 3.2.1.78 Agaricus bisporus C54-CARB8 CAB76904.1 Q9P893  
 β-mannanase (Cel4;Cel4b) 3.2.1.78 Agaricus bisporus D649 CAA90423.1 Q92401  
 cellobiohydrolase II (Cel3;Cel3A) 3.2.1.91 Agaricus bisporus D649 AAA50607.1
AAA50608.1
CAA83971.1
P49075  
 β-mannanase (PM;Man47;AtMAN47) 3.2.1.78 Armillariella tabescens EJLY2098 ABB88954.1 A1X5Y1  
 xylanase II 3.2.1.8 Aspergillus aculeatus AAE62343.1
AAC12003.1
AAE69552.1
CAI29149.1
   
 avicelase III (Cmc2;AviIII;FIII Avicelase) 3.2.1.4 Aspergillus aculeatus F-50 BAA29031.1 O74170  
 cellobiohydrolase I / chitosanase (CBHI) 3.2.1.176
3.2.1.132
Aspergillus aculeatus F-50 BAA25183.1 O59843  
 endoglucanase 2 (Cmc2;FII-CMCase;FII CM-cellulase) 3.2.1.4 Aspergillus aculeatus F-50 BAA29030.1 O74169  
 cellobiohydrolase (Cbh1;NFIA_057300) 3.2.1.176 Aspergillus fischeri NRRL 181 EAW16381.1
XP_001258278.1
A1DNL0  
 endo-β-1,4-mannanase (Man I;Man II;AFUA_8G07030;Afu8g07030) 3.2.1.78 Aspergillus fumigatus Af293 EAL85463.1 Q4WBS1  
 cellobiohydrolase B (CbhB;AFUA_6G11610) (Cel7A) 3.2.1.176 Aspergillus fumigatus Af293 EAL89006.1 Q4WM08  
 endo-β-1,4-mannanase (ManF;Man I;Man II) (partial) 3.2.1.78 Aspergillus fumigatus IMI 385708 ACH58410.1
ACH58411.1
B5LZ77
B5LZ78
Q4WBS1
 
 endoglucanase / cellulase (Egl2) 3.2.1.4 Aspergillus fumigatus Z5 ADX78144.1    
 endoglucanase / cellulase (Egl3) 3.2.1.4 Aspergillus fumigatus Z5 ADX78145.1    
 endo-β-1,4-glucanase A (EglA) (Cel5A) 3.2.1.4 Aspergillus kawachii BAB62317.1 Q96WR0  
 cellobiohydrolase (CbhB) 3.2.1.176 Aspergillus nidulans AAM54070.1 Q8NK02  
 cellobiohydrolase I (CBHI;CbhB;AN0494.2) 3.2.1.176 Aspergillus nidulans FGSC A4 EAA66593.1 Q8NK02  
 cellobiohydrolase II (CBHII;AN5282.2) 3.2.1.91 Aspergillus nidulans FGSC A4 ABF50873.1
EAA62442.1
Q5B2E8  
 β-mannanase (Man5;Man5XZ3) (partial) 3.2.1.78 Aspergillus nidulans XZ3 AGG69666.1    
 xyloglucanase C (EglC) 3.2.1.151 Aspergillus niger CBS 120.49 / N400 AAK77227.1 Q8TFP1  
 cellobiohydrolase B (CbhB;An01g11660) 3.2.1.176 Aspergillus niger CBS 513.88 AAF04492.1
AAP66264.1
CAK44068.1
CAM35324.1
Q9UVS8  
 endo-β-1,4-xylanase (AoXyn10) (Xyn10B) 3.2.1.8 Aspergillus oryzae CICC 40186 AFP43760.1    
 endo-β-1,4-glucanase (Egl;ApCel5A) (Cel5A) 3.2.1.4 Aureobasidium pullulans ATCC 62921 / NRRL Y-2311-1 AEM23896.1    
 endo-β-1,4-mannanase (Man5) 3.2.1.78 Bispora antennata CBS 126.38 AFJ68087.1    
 4-O-methyl-glucuronoyl methylesterase (GE) 3.1.1.- Cerrena unicolor AIY68500.1    
 cellobiose dehydrogenase (CdhIIA) 1.1.99.18 Chaetomium atrobrunneum CBS 238.71 ADT70773.1    
 cellobiohydrolase (Cbh1;CtCbh1) (Cel7A) 3.2.1.176 Chaetomium thermophilum ALKO4265 CAM98448.1
ACE10217.1
A7WNU1  
 cellobiohydrolase (Cbh2;CtCbh2) (Cel6A) 3.2.1.91 Chaetomium thermophilum CT2 AAW64927.1
AAY88915.1
Q5G2D4  
 cellobiohydrolase (Cbh1;EG7-1) (Cel7A) 3.2.1.176 Chaetomium thermophilum CT2 AAW64926.1
AGY80096.1
Q5G2D5  
 cellobiohydrolase Ia (Cbh1a;CBH Ia) (Cel7A) 3.2.1.176 Chrysosporium lucknowense AAQ38146.1
ACH15004.1
   
 xylanase I / F (Xyl1;XylF;Xyll) (Xyn10A) 3.2.1.8 Chrysosporium lucknowense C1 ACH15005.1
AAQ38147.1
   
 endo-xylanase (Xyl7) 3.2.1.8 Chrysosporium lucknowense VKM F-3500-D / C1 AEN99942.1    
 pectin lyase (Pnl1;Pnl-1) 4.2.2.10 Colletotrichum gloeosporioides f. sp. malvae AAF22244.1 Q9UUS4  
 cellobiohydrolase (CcCel6A) (Cel6A) 3.2.1.91 Coprinopsis cinerea 5338 BAH08702.1 B7X9Z0  
 carbohydrate esterase (Est1;CcEst1;CC1G_06945.1) 3.1.1.72
3.1.1.73
Coprinopsis cinerea 5338 BAJ10857.1 D7URW8  
 pyrroloquinoline quinone-dependent oxidoreductase / PQQ-dependent sugar dehydrogenase (CcSDH) 1.-.-.- Coprinopsis cinerea 5338 BAP91034.1    
 α-L-arabinofuranosidase(Ccin_CC1G_01577; Abf62A) (CcAbf62A) 3.2.1.55 Coprinopsis cinerea okayama7#130 BAK14423.1    
 cellobiose dehydrogenase IIA (Cdh;MtCDH) 1.1.99.18 Crassicarpon hotsonii ABS45567.2
ABS45566.1
A9XK87
A9XK88
4QI4[A]
4QI5[A]
4QI6[A]
 cellobiose dehydrogenase (CdhIIA) 1.1.99.18 Dichomera saubinetii CBS 990.70 ADT70774.1    
 cellobiohydrolase (FvCel7A) (Cel7A) 3.2.1.176 Flammulina velutipes Fv-1 BAJ07534.1 D5MSJ3  
 xylanase (FGSG_11304) 3.2.1.8 Fusarium graminearum PH-1 CEF86546.1    
 cellulase F (CelF) 3.2.1.8 Fusarium oxysporum AAA65588.1 P46239  
 endoglucanase K (Cel45A) 3.2.1.4 Fusarium oxysporum AAA65589.1
AAN23441.1
AAO30278.1
P45699  
 xylanase 3 (Xyl3) 3.2.1.8 Fusarium oxysporum f. sp. lycopersici 42-87 AAC06239.1 O59937  
 endo-β-1,4-xylanase (GtXyn10B) (Xyn10B) 3.2.1.8 Gloeophyllum trabeum ATCC 11539 AFR33047.1    
 endo-β-1,4-xylanase (GtXyl10G) (Xyl10G) 3.2.1.8 Gloeophyllum trabeum KACC 43361 AEJ35165.1    
 cellobiohydrolase I (Cbh1.1;Cbh1;Cbh-1;HgCbh1) (Cel7A) 3.2.1.176 Humicola grisea var. thermoidea CAA35159.1 P15828  
 endo-β-1,4-glucanase (Egl3) 3.2.1.4 Humicola grisea var. thermoidea BAA74956.1
AAE55435.1
AAN19009.1
O93782  
 endo-β-1,4-glucanase 3 (CMC3;Egl2) 3.2.1.4 Humicola grisea var. thermoidea IFO9854 BAA12676.1    
 xylanase I (Xyn1;Xyl1) 3.2.1.8 Humicola grisea var. thermoidea IFO9854 BAA19220.1 P79046  
 cellobiohydrolase (Cbh-1;HgtCel7A) (Cel7A) 3.2.1.176 Humicola grisea var. thermoidea IFO9854 / CBS 225.63 BAA09785.1 Q12621  
 cellobiohydrolase / avicelase 2 (CBHII;Avi2) (Cel6A) 3.2.1.91 Humicola insolens BAB39154.1
AAN19008.1
Q9C1S9  
 endo-β-1,4-glucanase IV (CMC3) 3.2.1.4 Humicola insolens ATCC 16454 CAA53631.1 Q12624  
 endo-β-1,4-glucanase V (EGV;EG V;NCE5) (Cel45A) 3.2.1.4 Humicola insolens DSM 1800 CAB42307.1
AAE16508.1
AAN23440.1
AAO30277.1
ABN29330.1
CAA01574.1
CAA01681.1
CAA01683.1
CAA01696.1
CAA01698.1
CAJ21530.1
   
 xylanase (XynC) 3.2.1.8 Humicola insolens Y1 AGG68961.1    
 exo-cellulase (Cel1;Ex-1) 3.2.1.176 Irpex lacteus MC-2 BAA76363.1 Q9Y722  
 cellobiohydrolase II (Cel2;Ex-2) 3.2.1.176 Irpex lacteus MC-2 BAA76364.1 Q9Y723  
 endoglucanase (Cen1;En-1) 3.2.1.4 Irpex lacteus MC-2 BAD67544.1 Q5W7K4  
 cellobiohydrolase II (Cel4;Ex-4;Cex3) 3.2.1.91 Irpex lacteus MC-2 BAG48183.1 B2ZZ24  
 endo-β-1,4-glucanase (PAS_chr4_0643) (Cel45A) 3.2.1.4 Komagataella phaffii GS115 CAY71902.1
AOA69625.1
C4R8H7  
 endo-β-1,4-glucanase (PAS_chr4_0643) (Cel45A) 3.2.1.4 Komagataella phaffii GS115 CAY71902.1
AOA69625.1
C4R8H7  
 endo-β-1,4-glucanase (PAS_chr4_0643) (Cel45A) 3.2.1.4 Komagataella phaffii GS115 CAY71902.1
AOA69625.1
C4R8H7  
 endo-β-1,4-glucanase (PAS_chr4_0643) (Cel45A) 3.2.1.4 Komagataella phaffii GS115 CAY71902.1
AOA69625.1
C4R8H7  
 endo-β-1,4-glucanase (PAS_chr4_0643) (Cel45A) 3.2.1.4 Komagataella phaffii GS115 CAY71902.1
AOA69625.1
C4R8H7  
 cellobiohydrolase (CbhII-1) 3.2.1.91 Lentinula edodes L54 AAK28357.1 Q9C1R4  
 xylanase (Xyn11A) 3.2.1.8 Lentinula edodes STAMETS CS-2 AAL04152.1 Q96UV7  
 endo-β-1,4-xylanase (Xyl6;MG02245.4;MGG_02245) 3.2.1.8 Magnaporthe oryzae 70-15 AAM95237.1
XP_365543.1
G4MPQ7  
 cellobiohydrolase (MoCel6A;MG05520.4) (Cel6A) 3.2.1.91 Magnaporthe oryzae 70-15 XP_360146.1 G4MM92  
 endo-β-1,3-1,4-glucanase (MoCel12C;MG10972.4) (Cel12C) 3.2.1.73 Magnaporthe oryzae 70-15 XP_361895.1 G4NBX2  
 xylanase (McXyn10) 3.2.1.8 Malbranchea cinnamomea S168 AGV01049.1    
 endo-β-1,4-xylanase (MpXyn10A) (Xyn10A) 3.2.1.8 Malbranchea pulchella CFFRP-81 AIG99409.1    
 endochitinase (Chi2) 3.2.1.14 Metarhizium anisopliae var. anisopliae E6 AAY34347.1 Q4U4T0  
 endo-β-1,4-glucanase (Mce1) 3.2.1.4 Mucor circinelloides FERM P-17446 BAD95808.1
ABA29991.1
ABA30006.1
ACK18401.1
Q53VB3  
 endo-β-1,4-glucanase (Mce2) 3.2.1.4 Mucor circinelloides FERM P-17446 BAD95809.1
ABA29992.1
ACK18402.1
Q53VB2  
 endo-β-1,4-glucanase (Mce2) 3.2.1.4 Mucor circinelloides FERM P-17446 BAD95809.1
ABA29992.1
ABA30007.1
ACK18402.1
Q53VB2  
 α-arabinofuranosidase 62A (Axh62A) (Abf62A) 3.2.1.55 Mycothermus thermophilus CBS 625.91 AHZ56658.1    
 cellobiohydrolase A (CelA;Cbh6) (Cel6A) 3.2.1.91 Neocallimastix patriciarum ABY52793.1
AAC49315.1
ACI26721.1
B0FEV4
Q12646
 
 xylanase B (XynB) 3.2.1.8 Neocallimastix patriciarum AAB30669.1 Q02290  
 endo-β-1,4-xylanase (XynC;CDBFV;Xyn-CDBFV;XynCDBFV) 3.2.1.8 Neocallimastix patriciarum AAF14365.1
AAE61565.1
Q9UV68  
 endo-β-1,4-xylanase (XynS20) 3.2.1.8 Neocallimastix patriciarum ABW04217.1 A8TGA1  
 cellobiohydrolase (CelA) 3.2.1.91 Neocallimastix patriciarum J11 AAR08200.1 Q6EIY8  
 endoglucanase (NcCel45A;NCU05121.1) (Cel45A) 3.2.1.4 Neurospora crassa OR74A CAD70529.1
EAA27871.1
XP_324478.1
Q1K5M0
Q872Q1
 
 lytic polysaccharide monooxygenase (PMO-01867;LPMO-01867;NcLPMO9J;GH61-10;NCU01867;B13N4.070) (LPMO9J) 1.-.-.- Neurospora crassa OR74A CAE81966.1
EAA36262.1
XP_329057.1
Q7SHD9  
 endo-β-1,4-glucanase (GH5-1;EG2;NCU00762) 3.2.1.4 Neurospora crassa OR74A CAE81955.1
ABZ29259.1
XP_324942.1
Q7SDR1  
 lytic polysaccharide monooxygenase (active on cellulose and cellooligosaccharides) (PMO-02916;LPMO-02916;NcLPMO9C;GH61-3;NCU02916) (LPMO9C) 1.-.-.- Neurospora crassa OR74A EAA36362.1
XP_330104.1
Q7SHI8  
 lytic polysaccharide monooxygenase (active on cellulose) (GH61-2;NCU07760) 1.-.-.- Neurospora crassa OR74A EAA29018.1
XP_328466.1
Q7S111  
 lytic polysaccharide monooxygenase (active on cellulose) (GH61-1;NcLPMO9A;NCU02240) 1.-.-.- Neurospora crassa OR74A EAA30263.1
XP_331016.1
Q7S439  
 lytic polysaccharide monooxygenase (active on cellulose) (NCU00836) 1.-.-.- Neurospora crassa OR74A EAA34466.1
XP_325016.1
Q7SCJ5  
 lytic polysaccharide monooxygenase (active on cellulose) (PMO-08760;LPMO-08760;NcLPMO9E;GH61-5;NCU08760) (LPMO9E) 1.-.-.- Neurospora crassa OR74A EAA26873.1
XP_330877.1
Q7RWN7  
 cellobiohydrolase (Cbh-1;CBH1;NCU07340) 3.2.1.176 Neurospora crassa OR74A EAA33262.1
XP_327626.1
Q7SA23  
 cellobiose dehydrogenase IIA (Cdh-1;CDH-1;CdhIIA;Nc-Cdh1;NCU00206) 1.1.99.18 Neurospora crassa OR74A EAA27355.1
XP_322292.1
  4QI7[A,B]
 β-mannanase (ManA) 3.2.1.78 Orpinomyces sp. PC-2 AAL01213.1 Q96V96  
 cellobiohydrolase II (CelF) 3.2.1.91 Orpinomyces sp. PC-2 AAC09228.1
AAC09067.1
AAE50374.1
Q874D8
Q874E0
 
 endo-β-1,4-glucanase (EGb1;EGb2) (Cel5C) 3.2.1.4 Penicillium brasilianum IBT 20888 ACB06750.1 B8Q961  
 cellobiohydrolase I (Cbh1;CbhI;PcCel7A) (Cel7A) 3.2.1.176 Penicillium canescens F-178 / RN3-11-7 AIL95870.1    
 cellobiohydrolase 1 (CbhI) 3.2.1.176 Penicillium chrysogenum FS010 AAV65115.1
AAX84833.1
Q5S1P9  
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