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 (481); Uniprot accession (125); PDB accession (18); 3D entries (10); cryst (4)
All (647) Archaea (2) Bacteria (637) unclassified (8) Structure (10 - 4 cryst) Characterized (52)
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 endo-β-1,4-xylanase (BiXyn10C;BACINT_04197) (Xyn10C) 3.2.1.8 Bacteroides intestinalis DSM 17393 EDV05054.1    
 endo-β-1,4-glucanase C (CenC) (Cel9B) 3.2.1.4 Cellulomonas fimi ATCC 484 CAA40993.1
AAA23087.1
AAA23088.1
AEE45671.1
P14090 1GU3[A]
1ULO[A]
1ULP[A]
 endo-β-1,4-glucanase C (CenC) (Cel9B) 3.2.1.4 Cellulomonas fimi ATCC 484 CAA40993.1
AAA23088.1
AEE45671.1
P14090 1CX1[A]
 cellulase E (CelE;Ccel_0732) (Cel9E) 3.2.1.- [Clostridium] cellulolyticum H10 ACL75111.1
AAA73869.2
ARU79884.1
B8I7V4
Q46002
 
 endoglucanase O (EngO) 3.2.1.4 Clostridium cellulovorans AAT66046.1 Q6DTY2  
 endo-β-1,4-glucanase K (EngK) 3.2.1.4 Clostridium cellulovorans 743B AAF06107.1 Q9RGE8  
 endo-β-1,4-glucanase M (EngM) 3.2.1.4 Clostridium cellulovorans 743B AAF06111.2 Q9LAJ2  
 Fisuc_2933 / FSU_0196 3.2.1.78 Fibrobacter succinogenes subsp. succinogenes S85 ACX76513.1
ADL26912.1
C9RP45  
 xylanase (Xyl2091;MROS_2091) 3.2.1.8 Melioribacter roseus P3M-2 AFN75321.1    
 endo-β-1,3-glucanase (LamA) 3.2.1.39
3.2.1.6
Paenibacillus sp. CCRC 17245 ABJ15796.1 Q000P7  
 endo-β-1,3-glucanase (LamA) 3.2.1.39
3.2.1.6
Paenibacillus sp. CCRC 17245 ABJ15796.1 Q000P7  
 endo-β-1,3-glucanase (LamA) 3.2.1.39
3.2.1.6
Paenibacillus sp. CCRC 17245 ABJ15796.1 Q000P7  
 endo-β-1,3-glucanase (LamA) 3.2.1.39
3.2.1.6
Paenibacillus sp. CCRC 17245 ABJ15796.1 Q000P7  
 xylanase (XylL) 3.2.1.8 Psychrobacter sp. 2-17 AFA53084.1    
 xylanase (Xynl;Xyn1;RmXyn10A;Rmar_1069) (Xyn10A) 3.2.1.8 Rhodothermus marinus DSM 4252 CAA72323.2
ACY47961.1
Q7WTN6  
 xylanase (Xynl;Xyn1;RmXyn10A;Rmar_1069) (Xyn10A) 3.2.1.8 Rhodothermus marinus DSM 4252 CAA72323.2
AAR06926.1
AAT06999.1
AAT07000.1
AAT07001.1
AAT07002.1
AAT07003.1
AAT07004.1
AAT07005.1
AAT07006.1
AAT07007.1
AAT07008.1
AAT07009.1
AAT07010.1
AAT07011.1
AAT07012.1
AAT07013.1
AAT07014.1
AAT07015.1
AAT07016.1
AAT07017.1
AAT07018.1
AAT07019.1
AAT07020.1
AAT07021.1
AAT07022.1
AAT07023.1
AAT07024.1
AAT07025.1
AAT07026.1
AAT07027.1
AAT07028.1
AAT07029.1
AAT07030.1
AAT07031.1
ACY47961.1
Q7WTN6 1K42[A]
1K45[A]
2Y64[A]
2Y6G[A]
2Y6H[A]
2Y6J[A]
2Y6K[A]
2Y6L[A]
3JXS[A,B,C]
4BJ0[A]
5DPN[A]
 cellulase K (CelK;Cthe_0412) (Cel9K) 3.2.1.4 Ruminiclostridium thermocellum ATCC 27405 ABN51650.1 A3DCH1  
 cellobiohydrolase (CbhA;Cthe_0413) (Cbh9A) 3.2.1.91 Ruminiclostridium thermocellum ATCC 27405 ABN51651.1 A3DCH2 3K4Z[A]
 β-1,3-1,4-glucanase (LicA;CtGlc16A;Cthe_2809) (Glc16A=Lic16A) 3.2.1.73 Ruminiclostridium thermocellum ATCC 27405 ABN54008.1 A3DJ79  
 β-1,3-1,4-glucanase (LicA;CtGlc16A;Cthe_2809) (Glc16A=Lic16A) 3.2.1.73 Ruminiclostridium thermocellum ATCC 27405 ABN54008.1 A3DJ79  
 β-1,3-1,4-glucanase (LicA;CtGlc16A;Cthe_2809) (Glc16A=Lic16A) 3.2.1.73 Ruminiclostridium thermocellum ATCC 27405 ABN54008.1 A3DJ79  
 β-1,3-1,4-glucanase (LicA;CtGlc16A;Cthe_2809) (Glc16A=Lic16A) 3.2.1.73 Ruminiclostridium thermocellum ATCC 27405 ABN54008.1 A3DJ79  
 lichenase A / laminarinase (LicA) (Lic16A) 3.2.1.6
3.2.1.73
Ruminiclostridium thermocellum DSM 1237 CAA61884.2 Q59328 cryst
 lichenase A / laminarinase (LicA) (Lic16A) 3.2.1.6
3.2.1.73
Ruminiclostridium thermocellum DSM 1237 CAA61884.2 Q59328 cryst
 lichenase A / laminarinase (LicA) (Lic16A) 3.2.1.6
3.2.1.73
Ruminiclostridium thermocellum DSM 1237 CAA61884.2 Q59328 cryst
 lichenase A / laminarinase (LicA) (Lic16A) 3.2.1.6
3.2.1.73
Ruminiclostridium thermocellum DSM 1237 CAA61884.2 Q59328 cryst
 cellobiohydrolase A (CbhA) (Cbh9A) 3.2.1.91 Ruminiclostridium thermocellum F7 CAA56918.2
CAA06693.1
CAA56918.1
Q59325  
 endo-β-1,3(4)-glucanase (LicA) 3.2.1.6 Ruminiclostridium thermocellum F7 CAC27412.2 Q59328  
 endo-β-1,3(4)-glucanase (LicA) 3.2.1.6 Ruminiclostridium thermocellum F7 CAC27412.2 Q59328  
 endo-β-1,3(4)-glucanase (LicA) 3.2.1.6 Ruminiclostridium thermocellum F7 CAC27412.2 Q59328  
 endo-β-1,3(4)-glucanase (LicA) 3.2.1.6 Ruminiclostridium thermocellum F7 CAC27412.2 Q59328  
 cellobiohydrolase K (CelK) (Cel9K) 3.2.1.4
3.2.1.91
Ruminiclostridium thermocellum JW 20 / F7 AAC06139.1 O68438
P0C2S1
3P6B[A,B]
 Rumal_1082 (Cel5D) 3.2.1.4 Ruminococcus albus 7 = DSM 20455 ADU21608.1 E0L8I8  
 Rumal_1082 (Cel5D) 3.2.1.4 Ruminococcus albus 7 = DSM 20455 ADU21608.1 E0L8I8  
 β-1,4-endoglucanase VII (EgVII) (Cel5D) 3.2.1.4 Ruminococcus albus F-40 BAA92430.1 Q9LCC4  
 β-1,4-endoglucanase VII (EgVII) (Cel5D) 3.2.1.4 Ruminococcus albus F-40 BAA92430.1 Q9LCC4  
 β-glucanase (GH9B;GH16A;RUM_05620) (Glc16A) 3.2.1.73 Ruminococcus champanellensis 18P13 = JCM 17042 CBL16782.1 D4LAY7  
 endo-β-1,4-glucanase (GH9F;RUM_15960) (Cel9F) 3.2.1.4 Ruminococcus champanellensis 18P13 = JCM 17042 CBL17684.1 D4LDI9  
 STHERM_c13840 3.2.1.- Spirochaeta thermophila DSM 6192 ADN02324.1 E0RUA3  
 endo-1,4-glucanase I (Cel1) 3.2.1.4 Streptomyces reticuli CAA46570.1 Q05156  
 endo-β-1,4-glucanase (E1;EGtf1;Tfu_1627) (Cel9B) 3.2.1.4 Thermobifida fusca YX AAC06387.1
AAZ55662.1
Q08166  
 laminarinase (Lam;TmLam;TM0024) (Lam16) 3.2.1.39 Thermotoga maritima MSB8 AAD35118.1
AGL48947.1
AHD18205.1
AKE27833.1
NP_227840.1
Q9WXN1 1GUI[A]
 laminarinase (Lam;TmLam;TM0024) (Lam16) 3.2.1.39 Thermotoga maritima MSB8 AAD35118.1
AGL48947.1
AHD18205.1
AKE27833.1
NP_227840.1
Q9WXN1  
 laminarinase A (LamA) (Lam16A) 3.2.1.39 Thermotoga neapolitana CAA88008.1 Q60039  
 laminarinase A (LamA) (Lam16A) 3.2.1.39 Thermotoga neapolitana CAA88008.1 Q60039  
 endo-β-1,3-glucanase / laminarinase (Lam;TpLam;Tpet_0899) 3.2.1.39 Thermotoga petrophila RKU-1 ABQ46917.1 A5IL44  
 endo-β-1,3-glucanase / laminarinase (Lam;TpLam;Tpet_0899) 3.2.1.39 Thermotoga petrophila RKU-1 ABQ46917.1 A5IL44  
 endo-β-1,4-xylanase (Xyl6E7) 3.2.1.8 uncultured bacterium ADU33366.1    
unclassified
Protein Name EC#OrganismGenBank UniprotPDB/3D
 xylanase (Pm25;BN138_224) 3.2.1.8 termite gut metagenome CCO21036.1
CCO21110.1
CCO21121.1
CCO21155.1
CCO21208.1
CCO21291.1
CCO21321.1
   
 xylanase (Pm25;BN138_224) 3.2.1.8 termite gut metagenome CCO21036.1
CCO21110.1
CCO21121.1
CCO21155.1
CCO21208.1
CCO21291.1
CCO21321.1
   
 multimodular xylanase 3.2.1.8 uncultured organism ADD61481.1
ADD61487.1
D9ZDS7  
 SARM_0019 / 4196623_64310 / TW-75 3.2.1.- uncultured organism ADX05690.1    
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