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 (1599); Uniprot accession (309); PDB accession (30); 3D entries (13); cryst (2)
All (1540) Archaea (7) Bacteria (1471) Eukaryota (45) unclassified (17) Structure (13 - 2 cryst) Characterized (72)
| 1 | ... | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | ... | 15 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 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    
 Clole_1102   Clostridium lentocellum DSM 5427 ADZ82832.1    
 Clole_1631   Clostridium lentocellum DSM 5427 ADZ83356.1    
 Cspa_c18690 (CelH)   Clostridium saccharoperbutylacetonicum N1-4(HMT) AGF55639.1    
 Clo1100_1849   Clostridium sp. BNL1100 AEY66059.1    
 Clo1100_1905   Clostridium sp. BNL1100 AEY66108.1    
 Clo1100_1316   Clostridium sp. BNL1100 AEY65558.1    
 Clo1100_3751   Clostridium sp. BNL1100 AEY67866.1    
 CSTERLE_05325   [Clostridium] stercorarium subsp. leptospartum DSM 9219 ANX01043.1    
 Cst_c11340 (Mana1)   [Clostridium] stercorarium subsp. stercorarium DSM 8532 AGC68130.1
AGI39156.1
   
 CSTERTH_05370   [Clostridium] stercorarium subsp. thermolacticum DSM 2910 ANW98509.1    
 B5808_18095   Cnuibacter physcomitrellae XA(T) ARJ06923.1    
 A3Q33_17680   Colwellia sp. PAMC 21821 ARD45961.1    
 A3Q33_17505   Colwellia sp. PAMC 21821 ARD45929.1    
 CCU_02230   Coprococcus sp. ART55/1 CBK82137.1 D5HH82  
 CCU_18770   Coprococcus sp. ART55/1 CBK83362.1 D5HEM9  
 COCOR_06666   Corallococcus coralloides DSM 2259 AFE07051.1    
 COCOR_06676   Corallococcus coralloides DSM 2259 AFE07057.1    
 Cri9333_0127   Crinalium epipsammum PCC 9333 AFZ11127.1    
 GA0004736_2223   Curtobacterium sp. 9128 SBN63297.1    
 BJK06_16445   Curtobacterium sp. BH-2-1-1 AOX67091.1    
 NI26_07155   Curtobacterium sp. MR_MD2014 AIV40034.1    
 Cyan7425_2272   Cyanothece sp. PCC 7425 ACL44632.1 B8HW53  
 CA2015_0144   Cyclobacterium amurskyense KCTC 12363 AKP49626.1    
 CYFUS_007346   Cystobacter fuscus DSM 52655 ATB41870.1    
 CYFUS_002960   Cystobacter fuscus DSM 52655 ATB37538.1    
 CYFUS_004774 (fragment)   Cystobacter fuscus DSM 52655 ATB39330.1    
 CHU_0353   Cytophaga hutchinsonii ATCC 33406 ABG57643.1 Q11Y73  
 SAMN06298216_2456   Cytophagales bacterium TFI 002 SOE22009.1    
 DHBDCA_p1060   Dehalobacter sp. DCA AFV02087.1    
 DHBDCA_p1061   Dehalobacter sp. DCA AFV02088.1    
 DHBDCA_p1063   Dehalobacter sp. DCA AFV02090.1    
 Dform_01800   Dehalogenimonas formicexedens NSZ-14 APV45119.1    
 AUC44_06995   Deinococcus actinosclerus BM2 ALW88672.1    
 Deide_05311   Deinococcus deserti VCD115 ACO45369.1 C1D0J5  
 DFI_02570   Deinococcus ficus CC-FR2-10 ASN81962.1    
 Dgeo_1756   Deinococcus geothermalis DSM 11300 ABF46051.1 Q1IXI3  
 DGo_CA0722   Deinococcus gobiensis I-0 AFD24649.1    
 Deima_0354   Deinococcus maricopensis DSM 21211 ADV66015.1    
 Deipe_3535   Deinococcus peraridilitoris DSM 19664 AFZ68965.1    
 SY84_00545   Deinococcus soli Cha et al. 2016 N5 AKH18240.1    
 SAMEA4475696_00053 (CelH)   Dermatophilus congolensis NCTC13039 SNV16686.1    
 SAMEA4475696_01498   Dermatophilus congolensis NCTC13039 SNV22359.1    
 Despr_1547   Desulfobulbus propionicus DSM 2032 ADW17701.1    
 Dret_1517   Desulfohalobium retbaense DSM 5692 ACV68803.1 C8X306  
 B0537_15285   Desulfotomaculum ferrireducens GSS09 AQS60643.1    
 Desca_2547   Desulfotomaculum nigrificans CO-1-SRB AEF95371.1    
 Desru_3661   Desulfotomaculum ruminis DSM 2154 AEG61863.1    
 Dda3937_02137   Dickeya dadantii 3937 ADN00246.1 E0SI37  
 endo-β-1,4-mannanase   Dickeya dadantii DCE-01 AIU97346.1    
 endo-β-1,4-mannanase   Dickeya dadantii DSM 18020 AIU97347.1    
 BJD21_14480   Dickeya solani D s0432-1 AUH09567.1    
 A4U42_06555   Dickeya solani IPO 2222 ANE75019.1    
 BJJ98_14445   Dickeya solani PPO 9019 AUH13533.1    
 D083_2022   Dickeya solani RNS 08.23.3.1.A AUC42371.1    
 β-1,4-mannanase (ManB;DtManB)   Dictyoglomus thermophilum CGMCC 7283 AHH86071.1    
 DICTH_0009   Dictyoglomus thermophilum H-6-12 ACI19887.1 B5YAS3  
 DICTH_0466   Dictyoglomus thermophilum H-6-12 ACI19014.1 B5YCU0  
 β-mannanase (ManA) (fragment) 3.2.1.78 Dictyoglomus thermophilum RT46B.1 AAB82454.1 O30654  
 Dtur_0277   Dictyoglomus turgidum DSM 6724 ACK41603.1 B8DYX7  
 Dtur_0629   Dictyoglomus turgidum DSM 6724 ACK41917.1 B8DZI4  
 FH5T_02010   Draconibacterium orientale FH5 AHW58760.1    
 FH5T_02015   Draconibacterium orientale FH5 AHW58761.1    
 FH5T_13025   Draconibacterium orientale FH5 AHW62001.1    
 Dfer_2043   Dyadobacter fermentans DSM 18053 ACT93266.1 C6VXC3  
 Dfer_3043   Dyadobacter fermentans DSM 18053 ACT94258.1 C6W6B8  
 Epro_0879   Endomicrobium proavitum Rsa215 AKL98258.1    
 FA04_15965   Ensifer adhaerens Casida A ANK73987.1    
 FA04_11700   Ensifer adhaerens Casida A ANK73228.1    
 OV14_0472   Ensifer adhaerens OV14 AHK42533.1    
 OV14_3740   Ensifer adhaerens OV14 AHK45002.1    
 SJ05684_c19720   Ensifer sojae CCBAU 05684 ASY63414.1    
 EcWSU1_01733 (GmuG)   Enterobacter cloacae EcWSU1 AEW73172.1    
 M942_16305   Enterobacter cloacae P101 AHE73176.1    
 ABT55_11325   Enterobacter cloacae UW5 AKM89460.1    
 BH714_05025   Enterobacter ludwigii EN-119 AOT42686.1    
 EUS_07490   [Eubacterium] siraeum 70/3 CBK96003.1 D4JSD4  
 EUS_14880   [Eubacterium] siraeum 70/3 CBK96616.1 D4JU47  
 EUS_02090   [Eubacterium] siraeum 70/3 CBK95552.1 D4JR33  
 EUS_12390   [Eubacterium] siraeum 70/3 CBK96404.1 D4JTI5  
 EUS_21570 (fragment)   [Eubacterium] siraeum 70/3 CBK97167.1 D4JVP8  
 ES1_03030   [Eubacterium] siraeum V10Sc8a CBL33466.1 D4MI83  
 ES1_16870   [Eubacterium] siraeum V10Sc8a CBL34621.1 D4MLI8  
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