Carbohydrate-Binding Module Family 2

Activities in FamilyModules of approx. 100 residues and which are found in a large number of bacterial enzymes. The cellulose-binding function has been demonstrated in many cases. Several of these modules have been shown to also bind chitin or xylan.
3D Structure Statusβ-sandwich
NotePreviously known as cellulose-binding domain family II (CBD II).
External resourcesHOMSTRAD; PROSITE;
Statistics GenBank accession (3534); Uniprot accession (776); PDB accession (16); 3D entries (8); cryst (0)
All (3425) Archaea (17) Bacteria (3208) Eukaryota (146) Viruses (43) unclassified (11) Structure (8) Characterized (167)
| 1 | 2 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 cellulase (11AG8) 3.2.1.4 Streptomyces lividans TK23 AAQ31831.1    
 chitinase C (ChiC) 3.2.1.14 Streptomyces lividans TK64 BAA02168.1 P36909  
 xylanase (XynAM6) 3.2.1.8 Streptomyces megasporus DSM 41476 ADE37527.1    
 xylanase (XynBM4) 3.2.1.8 Streptomyces megasporus DSM 41476 ADZ99362.1    
 β-1,4-xylanase (XylU) 3.2.1.8 Streptomyces mexicanus HY-14 AIT37787.1    
 chitinase C 3.2.1.14 Streptomyces peucetius AAF43629.1 Q9L8G0  
 chitinase-63 3.2.1.14 Streptomyces plicatus ATCC 27800 AAA26720.1
AAA26717.1
P11220  
 endo-β-1,4-glucanase S (EglS) 3.2.1.4 Streptomyces rochei A2 CAA52139.1 Q59963  
 cellulase 12A (Cel12A) 3.2.1.4 Streptomyces sp. 11AG8 AAF91283.1
AAE59731.1
AAQ25310.1
AAQ31830.1
AAR63648.1
AAR67701.1
ACP76251.1
Q9KIH1  
 chitinase (Chi65) 3.2.1.14 Streptomyces sp. AJ9463 BAE47186.1 Q33CE1  
 endo-β-1,4-glucanase (Cel;CelStrep) 3.2.1.4 Streptomyces sp. G12 CCI74016.1    
 xylanase (XynBS9) 3.2.1.8 Streptomyces sp. S9 ACF57947.1 D7EZJ3  
 xylanase (XynAS9) 3.2.1.8 Streptomyces sp. S9 / ACCC 41168 ABX71815.1 B4XVN1  
 β-mannanase (SACTE_2347) 3.2.1.78 Streptomyces sp. SirexAA-E AEN10237.1    
 endo-β-1,4-xylanase (XynSW1) 3.2.1.8 Streptomyces sp. SWU10 BAK39579.1    
 xylanase B 3.2.1.8 Streptomyces thermocyaneoviolaceus AAF04601.1 Q9RMM4  
 β-mannanase (Man;StMan) 3.2.1.78 Streptomyces thermolilacinus NBRC14274 BAK26781.1    
 β-mannanase (ManII;StManII) 3.2.1.78 Streptomyces thermoluteus NBRC 14269 BAM62868.1    
 acetyl xylan esterase (StXIII) 3.1.1.6
3.1.1.72
Streptomyces thermoviolaceus OPC-520 BAA19779.1
BAD02384.1
Q76BV1  
 xylanase II (StXII) 3.2.1.8 Streptomyces thermoviolaceus OPC-520 BAA19778.1
BAD02383.1
   
 endo-β-1,4-glucanase S1 (CelS1) 3.2.1.4 Streptomyces viridosporus T7A AAD25090.1 Q9X602  
 xylanase (SvxA) 3.2.1.8 Streptomyces viridosporus T7A AAF09501.1 Q9RMH9  
 endo-β-1,4-glucanase (Cel) 3.2.1.4 Streptomyces xylophagus KX6 ACN56471.1 D2D3J0  
 endo-β-1,3-1,4-glucanase (slr0897;Glc) 3.2.1.73 Synechocystis sp. PCC 6803 BAA10447.1
AGF52739.1
ALJ68659.1
BAF51695.1
BAK51232.1
NP_442377.1
A4PCG1
Q55365
 
 endo-β-1,3-1,4-glucanase (slr0897;Glc) 3.2.1.73 Synechocystis sp. PCC 6803 BAA10447.1
AGF52739.1
ALJ68659.1
BAF51695.1
BAK51232.1
NP_442377.1
A4PCG1
Q55365
 
 xylanase (XylA) 3.2.1.8 Thermobifida alba CAB02654.1 P74912  
 endomannanase (Man5A) 3.2.1.78 Thermobifida cellulosilytica TB100 AHB89703.1    
 endo-β-1,4-xylanase (Xyl11;TfGH11) 3.2.1.8 Thermobifida fusca NTU22 AAV64879.1 Q5RZ98  
 endomannanase (TM51_04883) (Man5A) 3.2.1.78 Thermobifida fusca TM51 AHB89702.1    
 xyloglucanase (Tfu_1612) (Xeg74) 3.2.1.151 Thermobifida fusca YX AAZ55647.1
ZP_00056977.1
Q47PH2  
 β-mannanase (Man;TfMan;Tfu-man;Tfu_0900) 3.2.1.78 Thermobifida fusca YX AAZ54938.1 Q47RH9  
 lytic cellulose monooxygenase (C1-specific) (E8;TfAA10B;Tfu_1665) 1.-.-.- Thermobifida fusca YX AAZ55700.1 Q47PB9  
 endo-β-1,4-xylanase 10A (Tfu_2923) (Xyl10A) 3.2.1.8 Thermobifida fusca YX AAZ56956.1 Q47KR6  
 cellobiohydrolase 6B / exoglucanase (E3;Ex;Tfu_0620) (Cel6B) 3.2.1.91 Thermobifida fusca YX AAA62211.1
AAZ54658.1
Q47SA9
Q60029
 
 endo-β-1,4-glucanase (E1;EGtf1;Tfu_1627) (Cel9B) 3.2.1.4 Thermobifida fusca YX AAC06387.1
AAZ55662.1
Q08166  
 endo-β-1,4-glucanase (E2;CelB;Tfu_1074) (Cel6A) 3.2.1.4 Thermobifida fusca YX AAC06388.1
AAZ55112.1
P26222
Q47R05
 
 endo-β-1,4-glucanase 5A (E5;CelE;TfCel5A;Tfu_0901) (Cel5A) 3.2.1.4 Thermobifida fusca YX AAZ54939.1
AAC09379.1
Q01786
Q47RH8
 
 endo/exo-β-1,4-glucanase 9A (E4;CelD;TfCel9A;Tfu_2176) (processive) (Cel9A) 3.2.1.4 Thermobifida fusca YX AAB42155.1
AAZ56209.1
P26221
Q47MW0
 
 xylanase A (XynA;TfxA;Tfu_1213) (Xyl11A = Xyn11A) 3.2.1.8 Thermobifida fusca YX AAA21480.1
AAZ55251.1
Q47QL8
Q56265
 
 β-1,4-exocellulase (E6;CelF;TfCel48A;Tfu_1959) (Cel48A) 3.2.1.176 Thermobifida fusca YX AAD39947.1
AAZ55992.1
Q47NH7
Q9XCD4
 
 endo-β-1,4-glucanase (ThCel9A) (Cel9A) 3.2.1.4 Thermobifida halotolerans YIM 90462 AEH04391.1    
 endo-β-1,4-xylanase (ThXyn11A;Xyn11-1) (Xyn11A) 3.2.1.8 Thermobifida halotolerans YIM 90462 AEH04392.1    
 endoglucanase (ThCel6A) (alkali-stable) (Cel6A) 3.2.1.4 Thermobifida halotolerans YIM 90462T AHN09982.1    
 endo-β-1,4-glucanase A (CelA) 3.2.1.4 Thermobispora bispora / Microbispora bispora   P26414  
 endo-β-1,4-xylanase (XynA;Xyn;NfXyn;NfXyn11) (Xyn11A) 3.2.1.8 Thermopolyspora flexuosa DSM43186 / ATCC35864 CAD48747.1
AAO97628.1
AAQ80269.1
AAS23965.1
Q8GMV7  
 endoglucanase B (GnuB) 3.2.1.4 uncultured bacterium AAP49340.1 Q6XR86  
 cellulase (Lc-CelD) 3.2.1.4 uncultured bacterium AHL27897.1    
 cellulase (Lc-CelF) 3.2.1.4 uncultured bacterium AHL27899.1    
 endo-β-1,4-glucanase (Cel5A) (Cel5A) 3.2.1.4 Vibrio xiamenensis G21 ADJ93836.1 D8V609  
 endo-β-1,4-glucanase (EngXCA;XccEG;XCC3521) 3.2.1.4 Xanthomonas campestris pv. campestris str. ATCC 33913 AAM42791.1
NP_638867.1
P19487  
 endo-β-1,4-glucanase 3.2.1.4 Xanthomonas sp. EC102 ACU30064.1 C7FFK1  
 xylanase (Xyn11A) 3.2.1.8 Xylanimicrobium pachnodae AAD54767.1 Q9RQB8  
 endoglucanase (XF0818) 3.2.1.4 Xylella fastidiosa 9a5c AAF83628.1
NP_298108.1
Q9PF60  
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 endo-β-1,4-glucanase (Eg65a;AC-EG65;Eg65-a1) 3.2.1.4 Ampullaria crossean ABD24274.1 A0SGJ5  
 endo-β-1,4-glucanase (Eg65c;Eg65-c1) 3.2.1.4 Ampullaria crossean ABD24278.1
ACQ57804.1
A0SGJ9  
 endo-β-1,4-glucanase (Eg65b;Eg65-b1) 3.2.1.4 Ampullaria crossean ABD24275.1 A0SGJ6  
 cellulase (CjCel9A) (Cel9A) 3.2.1.4 Corbicula japonica BAF38757.1 A0ZT16  
 endoglucanase (Eng1;Dα-Eng1) 3.2.1.4 Ditylenchus africanus ABY52965.1 B6CI25  
 endoglucanase 1 (Eng1;Eng-1;Gr-eng1;Gr-eng-1) 3.2.1.4 Globodera rostochiensis RO-1 AAC63988.1
AAC48325.1
O16028
Q7KQF7
 
 cellulase (HdEG66;HdCel;Hdcel-1) 3.2.1.4 Haliotis discus hannai BAC67186.1
AGI61069.1
BAD01504.1
Q75UN9
Q86M37
 
 endoglucanase 1 (Eng1;Eng-1) 3.2.1.4 Heterodera glycines AAC15707.1
AAC48327.1
CAB42450.1
CAB59144.1
O18453  
 endo-β-1,4-glucanase 1 (Eng-1) 3.2.1.4 Meloidogyne incognita AAD45868.1 Q9UA57  
 endo-β-1,4-glucanase (Eng-1A;Mi-eng-1) 3.2.1.4 Meloidogyne incognita AAK21882.1 Q9BJZ1  
unclassified
Protein Name EC#OrganismGenBank UniprotPDB/3D
 endo-β-1,4-glucanase (G10-10) 3.2.1.4 uncultured organism ACY24859.1 D8VN74  
 multimodular β-glucanase 3.2.1.- uncultured organism ADD61840.1 D9ZET6  
Viruses
Protein Name EC#OrganismGenBank UniprotPDB/3D
 endochitinase (A181/182R;PBCV1_A181/182R) 3.2.1.14 Paramecium bursaria Chlorella virus 1 AAC96549.2
AAC96549.3
NP_048529.1
Q84501  
 chitinase (vChti-1) 3.2.1.14 Paramecium bursaria Chlorella virus CVK2 BAA78554.1 Q9WAX4  
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