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 (1106); Uniprot accession (275); PDB accession (33); 3D entries (18); cryst (0)
All (1154) Archaea (2) Bacteria (1149) Eukaryota (2) unclassified (1) Structure (18) Characterized (134)
| 1 | 2 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 cellobiohydrolase A (CbhA) (Cbh9A) 3.2.1.91 Ruminiclostridium thermocellum F7 CAA56918.2
CAA56918.1
Q59325 2YLK[A,B,C,D]
3ZQX[A]
 endo-β-1,4-glucanase (LecB)   Ruminiclostridium thermocellum F7 CAP78918.2 B0JFE7  
 cellotetraose-producing endo-β-1,4-glucanase (CelR) (Cel9R) 3.2.1.4 Ruminiclostridium thermocellum F7 CAE51308.1 Q70DK3  
 β-1,4-glucanase (CelY)   Ruminiclostridium thermocellum F7 CAI06105.1 Q5TIQ4  
 endo-β-1,4-glucanase V (CelV)   Ruminiclostridium thermocellum F7 CAK22315.1 Q1H8Q1  
 endo-β-1,4-glucanase V (CelV)   Ruminiclostridium thermocellum F7 CAK22315.1 Q1H8Q1  
 endo-β-1,4-glucanase W (CelW)   Ruminiclostridium thermocellum F7 CAK22316.1 Q1H8Q0  
 endo-β-1,4-glucanase (CelU)   Ruminiclostridium thermocellum F7 CAK22317.1 Q1H8P9  
 endo-β-1,4-glucanase (CelU)   Ruminiclostridium thermocellum F7 CAK22317.1 Q1H8P9  
 cellobiohydrolase (CelO) (Cel5F) 3.2.1.91 Ruminiclostridium thermocellum F7 CAB76938.1 Q9L3J2  
 endo-β-1,4-glucanase N (CelN) (Cel9N) 3.2.1.4 Ruminiclostridium thermocellum F7 CAB76935.1 Q9L3J5  
 endo-β-1,4-glucanase (LecA)   Ruminiclostridium thermocellum F7 CAP78917.1 B0JFE6  
 Cther_1784   Ruminiclostridium thermocellum JW20 EFB38780.1   4B97[A]
 cellulosome anchoring protein (CipA)   Ruminiclostridium thermocellum mbf-VZ-093 CCV01467.1    
 cellulosome anchoring protein (CipA)   Ruminiclostridium thermocellum mbf-VZ-095 CCV01465.1    
 cellulosome anchoring protein (CipA)   Ruminiclostridium thermocellum mbf-VZ-096 CCV01464.1    
 endo-β-1,4-glucanase F (CelF) (Cel9B) 3.2.1.4 Ruminiclostridium thermocellum NCIB 10682 CAA43035.1 P26224  
 endo-β-1,4-glucanase I (CelI;CMC) (Cel9C=Cel9I) 3.2.1.4 Ruminiclostridium thermocellum NCIB10682 / F7 AAA20892.1
CAB76932.1
Q02934
Q9L3J8
 
 endo-β-1,4-glucanase I (CelI;CMC) (Cel9C=Cel9I) 3.2.1.4 Ruminiclostridium thermocellum NCIB10682 / F7 AAA20892.1
CAB76932.1
Q02934
Q9L3J8
2XFG[B]
 mutant CipA, partial   Ruminiclostridium thermocellum YM72 AGE35066.1    
 cellulosome S1 subunit (CipB)   Ruminiclostridium thermocellum YS CAA48312.1 Q01866  
 scaffoldin (CipA;YSBL_2973) (partial)   Ruminiclostridium thermocellum YS EIC03335.1   4JO5[A]
 Rumal_1083   Ruminococcus albus 7 = DSM 20455 ADU21609.1 E0L8I9  
 Rumal_2448   Ruminococcus albus 7 = DSM 20455 ADU22928.1 E0L7U6  
 Rumal_1369   Ruminococcus albus 7 = DSM 20455 ADU21883.1 E0L9Q2  
 cellulase VI (Cel9A) (Cel9A)   Ruminococcus albus F-40 BAB64431.1 Q93IE6  
 cellulase (Cel9C)   Ruminococcus albus F40 BAJ05816.1 D4QGS8  
 RBI_I00153   Ruminococcus bicirculans 80/3 CCO03887.1    
 endo-β-1,4-glucanase (GH9A;RUM_01230) (Cel9A) 3.2.1.4 Ruminococcus champanellensis 18P13 = JCM 17042 CBL16391.1 D4L9U6  
 endo-β-1,4-glucanase (GH9C;RUM_08690) (Cel9C) 3.2.1.4 Ruminococcus champanellensis 18P13 = JCM 17042 CBL17047.1 D4LBQ2  
 endo-β-1,4-glucanase (GH9E;RUM_15950) (Cel9E) 3.2.1.4 Ruminococcus champanellensis 18P13 = JCM 17042 CBL17683.1 D4LDI8  
 endo-β-1,4-glucanase (GH9G;RUM_24010) (Cel9G) 3.2.1.4 Ruminococcus champanellensis 18P13 = JCM 17042 CBL18389.1 D4LFJ4  
 M5M_14920   Simiduia agarivorans SA1 = DSM 21679 AFV00119.1    
 sce0064   Sorangium cellulosum So ce56 CAN90220.1 A9GL35  
 sce1515   Sorangium cellulosum So ce56 CAN91673.1 A9FCK8  
 sce4006   Sorangium cellulosum So ce56 CAN94167.1 A9EQP9  
 SCE1572_00360   Sorangium cellulosum So0157-2 AGP33081.1    
 STHERM_c20630 3.2.1.4 Spirochaeta thermophila DSM 6192 ADN02997.1 E0RQU1  
 STHERM_c20640 3.2.1.4 Spirochaeta thermophila DSM 6192 ADN02998.1 E0RQU2  
 Spith_2107   Spirochaeta thermophila DSM 6578 AEJ62363.1    
 Spith_2108   Spirochaeta thermophila DSM 6578 AEJ62364.1    
 Slin_1642   Spirosoma linguale DSM 74 ADB37689.1 D2QPV6  
 Slin_1642   Spirosoma linguale DSM 74 ADB37689.1 D2QPV6  
 AWR27_17890   Spirosoma montaniterrae DY10 AQG81027.1    
 AWR27_17890   Spirosoma montaniterrae DY10 AQG81027.1    
 SD10_11725   Spirosoma radiotolerans DG5A AKD55474.1    
 SD10_11725   Spirosoma radiotolerans DG5A AKD55474.1    
 Sta7437_3712   Stanieria cyanosphaera PCC 7437 AFZ37208.1    
 STA3757_39390   Stanieria sp. NIES-3757 BAU66534.1    
 STAUR_0610   Stigmatella aurantiaca DW4/3-1 ADO68414.1 Q097R6  
 STAUR_2875 (GuxA)   Stigmatella aurantiaca DW4/3-1 ADO70667.1 E3FP49  
 STAUR_6014 (fragment)   Stigmatella aurantiaca DW4/3-1 ADO73774.1 E3FCV5  
 XNR_2215   Streptomyces albus J1074 AGI88588.1    
 Salbus254_2466   Streptomyces albus SM254 AMM08975.1    
 SAM23877_6998   Streptomyces ambofaciens ATCC 23877 AKZ60043.1    
 SAMR0588   Streptomyces ambofaciens ATCC 23877 CAJ88298.1 A0ACU3  
 SAM40697_6314   Streptomyces ambofaciens DSM 40697 ANB10267.1    
 SAV557 (GuxA1)   Streptomyces avermitilis MA-4680 = NBRC 14893 BAC68267.1
NP_821732.1
Q82QF2  
 BB341_30300   Streptomyces clavuligerus F613-1 ANW22599.1    
 SCO0535 or SCF11.15   Streptomyces coelicolor A3(2) CAB59592.1
NP_624849.1
Q9RK75  
 TU94_04660   Streptomyces cyaneogriseus subsp. noncyanogenus NMWT 1 AJP05516.1    
 BN159_0486   Streptomyces davawensis JCM 4913 CCK24865.1    
 BN159_3690   Streptomyces davawensis JCM 4913 CCK28069.1    
 SFUL_6160   Streptomyces fulvissimus DSM 40593 AGK81043.1    
 SFUL_6931   Streptomyces fulvissimus DSM 40593 AGK81808.1    
 SGLAU_26660 (Guxa1)   Streptomyces glaucescens GLA.O AIS01270.1    
 SGLAU_26645 (CelD)   Streptomyces glaucescens GLA.O AIS01267.1    
 WQO_28670   Streptomyces globisporus C-1027 ALU96957.1    
 SGR_1320   Streptomyces griseus subsp. griseus NBRC 13350 BAG18149.1 B1VVG5  
 SGR_6928   Streptomyces griseus subsp. griseus NBRC 13350 BAG23757.1 B1VPK7  
 SHXM_07913   Streptomyces hygroscopicus XM201 AQW54450.1    
 Sle_59090   Streptomyces leeuwenhoekii C34 (= DSM 42122 = NRRL B-24963) CQR65365.1    
 SLINC_6735   Streptomyces lincolnensis NRRL 2936 ANS68959.1    
 SLINC_6405   Streptomyces lincolnensis NRRL 2936 ANS68629.1    
 SLIV_35270   Streptomyces lividans TK24 AIJ17930.1    
 BBN63_27845   Streptomyces niveus SCSIO 3406 AQU69430.1    
 SNOD_01880   Streptomyces nodosus ATCC 14899 AJE38942.1    
 B1H29_02010   Streptomyces pactum ACT12 AQS65871.1    
 Spa2297_30925   Streptomyces parvulus 2297 ANJ11015.1    
 Sfla_1062   Streptomyces pratensis ATCC 33331 ADW02516.1 C9NEZ2  
 SPRI_0735   Streptomyces pristinaespiralis HCCB 10218 ALC19041.1    
 TUE45_pSRTUE45c_0479 (CbhA) (fragment)   Streptomyces reticuli CUW33111.1    
 A4G23_00273   Streptomyces rubrolavendulae MJM4426 AOT57484.1    
 SAMN05428941_0589   Streptomyces sp. 2114.2 SDS49527.1    
 ASR50_33310   Streptomyces sp. 4F ALV53817.1    
 NI25_01225   Streptomyces sp. CCM_MD2014 AIV32309.1    
 AS200_43100   Streptomyces sp. CdTB01 ALV38076.1    
 ABE83_05600   Streptomyces sp. CFMR 7 ALC26613.1    
 ABE83_01120   Streptomyces sp. CFMR 7 ALC25835.1    
 CAC01_24765   Streptomyces sp. CLI2509 CLI2905 ASY35496.1    
 AA958_10445   Streptomyces sp. CNQ-509 AKH86669.1    
 AA958_18545   Streptomyces sp. CNQ-509 AKH83873.1    
 SFR_2761   Streptomyces sp. FR-008 ALM39376.1    
 F750_5783   Streptomyces sp. PAMC 26508 AGJ58212.1    
 QR97_36860   Streptomyces sp. PBH53 AKN74564.1    
 A4E84_30870   Streptomyces sp. S10(2016) AMW13522.1    
 A6E92_04775   Streptomyces sp. S8 ARI51538.1    
 A6E92_00820   Streptomyces sp. S8 ARI50837.1    
 TK78_04910   Streptomyces sp. Tue 6075 Tue6075 APS23464.1    
 ORF   Streptomyces sp. WAC1438 AFO53549.1    
 SVEN_6554   Streptomyces venezuelae ATCC 10712 CCA59840.1    
 SVEN_7361   Streptomyces venezuelae ATCC 10712 CCA60647.1    
 BN2537_16157   Streptomyces venezuelae ATCC 15439 CUM43596.1    
 AQF52_0564   Streptomyces venezuelae ATCC 15439 ALO06161.1    
 Sros_0935   Streptosporangium roseum DSM 43021 ACZ83939.1 D2B808  
 Sros_9095   Streptosporangium roseum DSM 43021 ACZ91718.1 D2BAV4  
 TJEJU_3613   Tenacibaculum jejuense KCTC 22618 SNR17256.1    
 TJEJU_3613   Tenacibaculum jejuense KCTC 22618 SNR17256.1    
 TJEJU_3614   Tenacibaculum jejuense KCTC 22618 SNR17257.1    
 TJEJU_3610   Tenacibaculum jejuense KCTC 22618 SNR17253.1    
 TERTU_2893   Teredinibacter turnerae T7901 ACR11240.1 C5BNA7  
 TERTU_4019   Teredinibacter turnerae T7901 ACR14279.1 C5BTU4  
 endo-1,4-beta glucanase E4   Thermobifida alba AHK119 BBA57845.1    
 endoglucanase (EGtf2) (Cel5B) 3.2.1.4 Thermobifida fusca TM51 AAP56348.1 Q7X2N2  
 endoglucanase 5B (Tfu_2712) (Cel5B) 3.2.1.4 Thermobifida fusca YX AAZ56745.1 Q47LC7  
 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
1JS4[A,B]
1TF4[A,B]
3TF4[A,B]
4TF4[A,B]
 endo-β-1,4-glucanase (ThCel9A) (Cel9A) 3.2.1.4 Thermobifida halotolerans YIM 90462 AEH04391.1    
 multidomain cellulase   thermophilic anaerobe NA10 BAA22939.1 O24820  
 GH9   uncultured bacterium AQQ74859.1    
 endo-β-1,4-glucanase (CelWS15)   uncultured bacterium AFX88669.1    
 endo-β-1,4-glucanase (CelWS3) 3.2.1.4 uncultured bacterium AFX88673.1    
 endo-β-1,4-glucanase (CelWS14) 3.2.1.4 uncultured bacterium AFX88668.1    
 endo-β-1,4-glucanase (CelWS6) 3.2.1.4 uncultured bacterium AFX88666.1    
 endo-β-1,4-glucanase (CelWS36)   uncultured bacterium AFX88672.1    
 endo-β-1,4-glucanase (CelWS7)   uncultured bacterium AFX88667.1    
 endo-β-1,4-glucanase (CelWS20)   uncultured bacterium AFX88670.1    
 endo-β-1,4-glucanase (CelWS30) (fragment) 3.2.1.4 uncultured bacterium AFX88671.1    
 BgGlu4-1   uncultured bacterium AGN70390.1    
 endo-β-1,4-glucanase (Endos11)   uncultured bacterium AGW99967.1    
 endo-β-1,4-glucanase (Endos9)   uncultured bacterium AGW99965.1    
 endo-β-1,4-glucanase (Endos3)   uncultured bacterium AGW99959.1    
 endo-β-1,4-glucanase (Endos15)   uncultured bacterium AGW99971.1    
 endo-β-1,4-glucanase (Endos1)   uncultured bacterium AGW99957.1    
 endo-β-1,4-glucanase (Endos19)   uncultured bacterium AGW99975.1    
 endo-β-1,4-glucanase (Endos13)   uncultured bacterium AGW99969.1    
 endo-β-1,4-glucanase (Endos7)   uncultured bacterium AGW99963.1    
 endo-β-1,4-glucanase (Endos4)   uncultured bacterium AGW99960.1    
 endo-β-1,4-glucanase (Endos10)   uncultured bacterium AGW99966.1    
 endo-β-1,4-glucanase (Endos18)   uncultured bacterium AGW99974.1    
 endo-β-1,4-glucanase (Endos2)   uncultured bacterium AGW99958.1    
 endo-β-1,4-glucanase (Endos20)   uncultured bacterium AGW99976.1    
 endo-β-1,4-glucanase (Endos8)   uncultured bacterium AGW99964.1    
 endo-β-1,4-glucanase (Endos16)   uncultured bacterium AGW99972.1    
 endo-β-1,4-glucanase (Endos6)   uncultured bacterium AGW99962.1    
 endo-β-1,4-glucanase (Endos12)   uncultured bacterium AGW99968.1    
 endo-β-1,4-glucanase (Endos5)   uncultured bacterium AGW99961.1    
 endo-β-1,4-glucanase (Endos14)   uncultured bacterium AGW99970.1    
 endo-β-1,4-glucanase (Endos17)   uncultured bacterium AGW99973.1    
 cellulase (Lc-CelF) 3.2.1.4 uncultured bacterium AHL27899.1    
 VAB18032_12970   Verrucosispora maris AB-18-032 AEB43708.1    
 VAB18032_10040   Verrucosispora maris AB-18-032 AEB43126.1    
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 cellulase (Cmc-03) (partial)   Epidinium ecaudatum CAL91976.1 B7FBK1  
 cellulase (Cmc-04) (partial)   Epidinium ecaudatum CAL91977.1 B7FBK2  
unclassified
Protein Name EC#OrganismGenBank UniprotPDB/3D
 Sequence 6 from patent US 7465571.   unidentified ACM94255.1    
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