Glycoside Hydrolase Family 26

Activities in Familyβ-mannanase (EC 3.2.1.78); exo-β-1,4-mannobiohydrolase (EC 3.2.1.100); β-1,3-xylanase (EC 3.2.1.32); lichenase / endo-β-1,3-1,4-glucanase (EC 3.2.1.73); mannobiose-producing exo-β-mannanase (EC 3.2.1.-)
Mechanism Retaining
ClanGH-A
3D Structure Status( β / α ) 8
Catalytic Nucleophile/BaseGlu (experimental)
Catalytic Proton DonorGlu (experimental)
Noteformerly known as cellulase family I.
External resourcesCAZypedia; PRINTS;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (1544); Uniprot accession (309); PDB accession (30); 3D entries (13); cryst (2)
All (1486) Archaea (7) Bacteria (1423) Eukaryota (41) unclassified (15) Structure (13 - 2 cryst) Characterized (72)
| 1 | ... | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ... | 15 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 Calkr_0162   Caldicellulosiruptor kristjanssonii I77R1B ADQ39734.1 E4S6H6  
 Calkr_1597   Caldicellulosiruptor kristjanssonii I77R1B ADQ41090.1 E4S9U7  
 Calkro_1144   Caldicellulosiruptor kronotskyensis 2002 ADQ46006.1 E4SCZ0  
 Calla_2166   Caldicellulosiruptor lactoaceticus 6A AEM74724.1    
 Calla_0987   Caldicellulosiruptor lactoaceticus 6A AEM73627.1    
 COB47_0983   Caldicellulosiruptor obsidiansis OB47 ADL42284.1 D9TJV2  
 COB47_0179   Caldicellulosiruptor obsidiansis OB47 ADL41540.1 D9THH5  
 Csac_0663   Caldicellulosiruptor saccharolyticus DSM 8903 ABP66283.1 A4XH98  
 β-mannanase (ManA;CsMan26) 3.2.1.78 Caldicellulosiruptor sp. Rt8B.4 AAC44232.1 P77847  
 NIES2098_31050 (CelH)   Calothrix sp. NIES-2098 BAY09939.1    
 NIES2100_08900 (CelH)   Calothrix sp. NIES-2100 BAY21141.1    
 XF24_00472 (fragment)   candidate division SR1 bacterium Aalborg_AAW-1 AKH32805.1    
 P148_SR1C00001G0445   candidate division SR1 bacterium RAAC1_SR1_1 AHB41240.1    
 CGC48_06480   Capnocytophaga cynodegmi G7591 ATA68305.1    
 CGC58_05820   Capnocytophaga stomatis H2177 ATA89284.1    
 CA608_07175   Caulobacter vibrioides CB2 ATC26721.1    
 LH89_14950   Cedecea neteri ND14b AIR70438.1    
 CEW89_05425   Celeribacter ethanolicus TSPH2 ATG47063.1    
 Man26A   Cellulomonas fimi AAT42241.1 Q6JAM5  
 β-mannanase (Man26A) 3.2.1.78 Cellulomonas fimi ATCC 484 AAD42774.1 Q9XCV5 2BVT[A,B]
2BVY[A]
2X2Y[A,B]
3TP4[A,B]
 Celf_3612   Cellulomonas fimi ATCC 484 AEE47720.1    
 Celf_0862   Cellulomonas fimi ATCC 484 AEE45000.1    
 Celf_2091   Cellulomonas fimi ATCC 484 AEE46219.1    
 Cfla_3168   Cellulomonas flavigena DSM 20109 ADG76050.1 D5ULU4  
 Cfla_3193   Cellulomonas flavigena DSM 20109 ADG76075.1 D5ULW9  
 Cfla_2752   Cellulomonas flavigena DSM 20109 ADG75638.1 D5UJK0  
 Celgi_0311   Cellulomonas gilvus ATCC 13127 AEI10833.1    
 CBP52_15520   Cellulomonas sp. PSBB021 ASR56276.1    
 CBP52_12440 (fragment)   Cellulomonas sp. PSBB021 ASR56932.1    
 Celal_0846   Cellulophaga algicola DSM 14237 ADV48175.1    
 Celal_0298   Cellulophaga algicola DSM 14237 ADV47643.1    
 Celal_1925   Cellulophaga algicola DSM 14237 ADV49225.1    
 M666_02105   Cellulophaga baltica 18 AIZ40472.1    
 ORF (fragment)   Cellulosilyticum ruminicola CGMCC 1.5065 ACZ98628.1 D2KFM6  
 β-1,4-mannanase A (ManA;CjMan26A;CJA_2770;eMAN;E-BMACJ) (Man26A) 3.2.1.78 Cellvibrio japonicus Ueda107 ACE82849.1
CAA57670.2
B3PBK3
P49424
1GVY[A]
1GW1[A]
1J9Y[A]
1ODZ[A,B]
2WHM[A]
 endo-β-1,4-mannanase 26B (CJA_2480) (Man26B) 3.2.1.78 Cellvibrio japonicus Ueda107 ACE85176.1
AAO31762.1
B3PKL2
Q840B9
 
 mannobiose-producing exo-β-mannanase (CJA_0236;CjMan26C) (Man26C) 3.2.1.100 Cellvibrio japonicus Ueda107 ACE84009.1 B3PGI1 2VX4[A]
2VX5[A]
2VX6[A]
2VX7[A]
4CD4[A]
4CD5[A]
 CBR65_07200   Cellvibrio sp. PSBB006 ARU27240.1    
 CBR65_16540   Cellvibrio sp. PSBB006 ARU28919.1    
 CBR65_20465   Cellvibrio sp. PSBB006 ARU29619.1    
 CBR65_11805   Cellvibrio sp. PSBB006 ARU30058.1    
 CBR65_04135   Cellvibrio sp. PSBB006 ARU26683.1    
 B0D95_02775   Cellvibrio sp. PSBB023 AQT62233.1    
 B0D95_09200   Cellvibrio sp. PSBB023 AQT60249.1    
 B0D95_02705   Cellvibrio sp. PSBB023 AQT59118.1    
 Cpin_3128   Chitinophaga pinensis DSM 2588 ACU60596.1 C7PPG0  
 Cpin_5393   Chitinophaga pinensis DSM 2588 ACU62823.1 C7PTR6  
 COR50_19245   Chitinophagaceae bacterium 13 ATL49137.1    
 COR50_11680   Chitinophagaceae bacterium 13 ATL47771.1    
 AES38_12990   Clavibacter capsici PF008 ALD13706.1    
 AES38_12985   Clavibacter capsici PF008 ALD13705.1    
 VO01_13850   Clavibacter insidiosus R1-1 AJW80061.1    
 VO01_13855   Clavibacter insidiosus R1-1 AJW80062.1    
 CMM_2691   Clavibacter michiganensis subsp. michiganensis NCPPB 382 CAN02775.1 A5CUI9  
 CMM_2692   Clavibacter michiganensis subsp. michiganensis NCPPB 382 CAN02776.1 A5CUI6  
 CMN_02650   Clavibacter nebraskensis NCPPB 2581 CCE76582.1    
 CMN_02651   Clavibacter nebraskensis NCPPB 2581 CCE76583.1    
 CACET_c06660 (CelH)   Clostridium aceticum DSM 1496 AKL94176.1    
 CAC0332   Clostridium acetobutylicum ATCC 824 AAK78313.1
NP_346973.1
Q97M66  
 CAC2556   Clostridium acetobutylicum ATCC 824 AAK80507.1
NP_349167.1
Q97G16  
 CAC0540   Clostridium acetobutylicum ATCC 824 AAK78519.1
NP_347179.1
Q97LL8  
 CAC0539   Clostridium acetobutylicum ATCC 824 AAK78518.1
NP_347178.1
Q97LL9  
 CAC0538   Clostridium acetobutylicum ATCC 824 AAK78517.1
NP_347177.1
Q97LM0  
 SMB_G0340 (ManB)   Clostridium acetobutylicum DSM 1731 AEI34141.1    
 SMB_G0551 (GmuG)   Clostridium acetobutylicum DSM 1731 AEI33523.1    
 SMB_G0550   Clostridium acetobutylicum DSM 1731 AEI31294.1    
 SMB_G0552   Clostridium acetobutylicum DSM 1731 AEI31295.1    
 SMB_G2591 (CelH)   Clostridium acetobutylicum DSM 1731 AEI34297.1    
 CEA_G2569   Clostridium acetobutylicum EA 2018 ADZ21606.1    
 CEA_G0553   Clostridium acetobutylicum EA 2018 ADZ19592.1    
 CEA_G0551   Clostridium acetobutylicum EA 2018 ADZ19590.1    
 CEA_G0552   Clostridium acetobutylicum EA 2018 ADZ19591.1    
 CEA_G0343 (ManB)   Clostridium acetobutylicum EA 2018 ADZ19382.1    
 CGC65_26825   [Clostridium] bolteae ATCC BAA-613 ASN97959.1    
 NPD4_2804   Clostridium butyricum CDC_51208 APF23747.1    
 ATD26_12535   Clostridium butyricum JKY6D1 ALS17667.1    
 ATN24_14105   Clostridium butyricum KNU-L09 ALP91225.1    
 BBB49_12445   Clostridium butyricum TK520 AOR94856.1    
 AZ909_12560   Clostridium butyricum TOA ANF14848.1    
 Ccel_1551   [Clostridium] cellulolyticum H10 ACL75903.1 B8I277  
 mannanase (ManA;Ccel_0752) (Man26A)   [Clostridium] cellulolyticum H10 ACL75130.1
ABG76971.1
Q0PRN0  
 β-mannanase (Man26E)   Clostridium cellulovorans BAV13094.1    
 β-mannanase (Man26G) (fragment)   Clostridium cellulovorans BAV13096.1    
 mannanase (Man26B)   Clostridium cellulovorans BAV13042.1    
 mannanase (Man26D)   Clostridium cellulovorans BAV13044.1    
 β-mannanase (Man26F)   Clostridium cellulovorans BAV13095.1    
 mannanase (Man26C)   Clostridium cellulovorans BAV13041.1    
 mannanase (Man26A)   Clostridium cellulovorans BAV13040.1    
 Clocel_1175 (Man26D)   Clostridium cellulovorans 743B ADL50931.1 D9SUM6  
 β-mannanase (Clocel_4124) (Man26E) 3.2.1.78 Clostridium cellulovorans 743B ADL53785.1 D9SMC9  
 Clocel_1134 (Man26F)   Clostridium cellulovorans 743B ADL50891.1 D9SU53  
 Clocel_1947 (fragment)   Clostridium cellulovorans 743B ADL51691.1 D9SLW0  
 Clocel_2575 (Man26C)   Clostridium cellulovorans 743B ADL52287.1 D9SQT1  
 mannanase B (ManB;NC2;Clocel_2607) 3.2.1.78 Clostridium cellulovorans 743B ADL52314.1
YP_003844078.1
D9SQV8  
 Clocel_4119 (Man26A) 3.2.1.78 Clostridium cellulovorans 743B ADL53780.1 D9SMC4  
 Clocl_3132   [Clostridium] clariflavum DSM 19732 AEV69659.1    
 Clocl_0901   [Clostridium] clariflavum DSM 19732 AEV67579.1    
 Clocl_1824   [Clostridium] clariflavum DSM 19732 AEV68433.1    
 BJL90_13290   Clostridium formicaceticum ATCC 27076 AOY76751.1    
 CLFO_15890 (CelH)   Clostridium formicaceticum DSM 92 ARE87201.1    
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