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 (1883); Uniprot accession (309); PDB accession (30); 3D entries (13); cryst (2)
All (1825) Archaea (8) Bacteria (1752) Eukaryota (48) unclassified (17) Structure (13 - 2 cryst) Characterized (72)
| 1 | ... | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | ... | 18 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 AS850_08060 (CelH)   Frondihabitans sp. 762G35 ARC57028.1    
 AX769_13455   Frondihabitans sp. PAMC 28766 AMM22430.1    
 Fuma_06079 (CelH)   Fuerstia marisgermanicae NH11 APZ96410.1    
 J421_0358   Gemmatirosa kalamazoonesis KBS708 AHG87895.1    
 Glaag_3297   Glaciecola sp. 4H-3-7+YE-5 AEE24231.1    
 Glo7428_3605   Gloeocapsa sp. PCC 7428 AFZ32074.1    
 Glo7428_3607   Gloeocapsa sp. PCC 7428 AFZ32076.1    
 AOZ07_17490   Glutamicibacter arilaitensis KLBMP5180 ALG30596.1    
 GPOL_c11060   Gordonia polyisoprenivorans VH2 AFA72168.1    
 GCWB2_15255 (Celh2)   Gordonia rubripertincta CWB2 ASR03840.1    
 GCWB2_05645 (Celh1) (fragment)   Gordonia rubripertincta CWB2 ASR01950.1    
 CNO18_09795   Gordonia sp. 1D ATD72986.1    
 CNO18_05565   Gordonia sp. 1D ATD72902.1    
 KTR9_1952   Gordonia sp. KTR9 AFR48591.1    
 BCM27_10475   Gordonia terrae 3612 ANY25987.1    
 DLJ61_10565   Gordonia terrae NRRL B-16283 AWO83891.1    
 Curi_c21530 (CelH)   Gottschalkia acidurici 9a AFS79156.1    
 GRFL_0934   Gramella flava JLT2011 APU67658.1    
 LPB144_12625   Gramella salexigens LPB0144 APG61196.1    
 SAMN04488552_2002   Gramella sp. MAR_2010_102 SDS06953.1    
 C7S20_04545   Gramella sp. SH35 AVR44591.1    
 C7S20_04615   Gramella sp. SH35 AVR44604.1    
 C7S20_04595   Gramella sp. SH35 AVR44601.1    
 IMCC3135_04415 (CelH)   Granulosicoccus antarcticus IMCC3135 ASJ70996.1    
 D7I44_02410 (fragment)   Gryllotalpicola sp. 2DFW10M-5 AYG02491.1    
 Halhy_5777   Haliscomenobacter hydrossis DSM 1100 AEE53600.1    
 HH1059_154   Halorhodospira halochloris DSM-1059 BAU56464.1    
 Hhal_0209   Halorhodospira halophila SL1 ABM61003.1 A1WTJ1  
 Haur_0324   Herpetosiphon aurantiacus DSM 785 ABX02976.1 A9B7K3  
 Haur_1626   Herpetosiphon aurantiacus DSM 785 ABX04269.1 A9B5N6  
 AS9A_2441   Hoyosella subflava DQS3-9A1 AEF40888.1    
 Clocl_3132   Hungateiclostridium clariflavum DSM 19732 AEV69659.1    
 Clocl_0901   Hungateiclostridium clariflavum DSM 19732 AEV67579.1    
 Clocl_1824   Hungateiclostridium clariflavum DSM 19732 AEV68433.1    
 HVS_09525 (Mana2)   Hungateiclostridium saccincola GGR1 AUG57807.1    
 AD2_02229   Hungateiclostridium thermocellum AD2 ALX09217.1    
 AD2_00403   Hungateiclostridium thermocellum AD2 ALX07411.1    
 AD2_02267   Hungateiclostridium thermocellum AD2 ALX09255.1    
 AD2_02229   Hungateiclostridium thermocellum AD2 ALX09217.1    
 β-mannanase (Man;CtMan;CtManf;Cthe_0032) 3.2.1.78 Hungateiclostridium thermocellum ATCC 27405 ABN51273.1 A3DBE4  
 bifunctional endo-β-1,4-glucanase / β-1,4-xylanase H (CelH;EgH;CtCelH;CtCel5E;Cthe_1472) (Lic26A;Cel5E) 3.2.1.4
3.2.1.8
Hungateiclostridium thermocellum ATCC 27405 ABN52701.1
CCF82162.1
P16218  
 β-mannanase (ManA;ManB;Cthe_2811) (Man26B) 3.2.1.78 Hungateiclostridium thermocellum ATCC 27405 ABN54010.1 A3DJ81  
 Clo1313_0399   Hungateiclostridium thermocellum DSM 1313 ADU73489.1    
 Clo1313_2202   Hungateiclostridium thermocellum DSM 1313 ADU75242.1    
 Clo1313_2234   Hungateiclostridium thermocellum DSM 1313 ADU75267.1    
 LQRI_0403   Hungateiclostridium thermocellum DSM 2360 LQRI ANV75150.1    
 LQRI_2266   Hungateiclostridium thermocellum DSM 2360 LQRI ANV77007.1    
 LQRI_2228   Hungateiclostridium thermocellum DSM 2360 LQRI ANV76969.1    
 β-mannanase 26B (Man26B) 3.2.1.78 Hungateiclostridium thermocellum F1 BAB19050.1 Q9F1T9  
 endo-β-1,4-glucanase / β-1,3:1,4-glucanase H (CelH) (Lic26A;Cel5E) 3.2.1.4
3.2.1.73
Hungateiclostridium thermocellum NCIB 10682 AAA23225.1 H6SHY4
P16218
2BV9[A]
2BVD[A]
2CIT[A]
2V3G[A]
2VI0[A]
 β-mannanase A (ManA) (Man26A) 3.2.1.78 Hungateiclostridium thermocellum YS CAB52403.1 Q9REC7  
 DDQ68_08000   Hymenobacter nivis NBRC 111535 AWM32729.1    
 DDQ68_08005   Hymenobacter nivis NBRC 111535 AWM32730.1    
 DDQ68_01335   Hymenobacter nivis NBRC 111535 AWM31551.1    
 DDQ68_01210   Hymenobacter nivis NBRC 111535 AWM31526.1    
 DDQ68_03715   Hymenobacter nivis NBRC 111535 AWM31977.1    
 AM218_05675 (fragment)   Hymenobacter sp. DG25A ALD20805.1    
 PK28_10815   Hymenobacter sp. DG25B AIZ64066.1    
 A0257_01730   Hymenobacter sp. PAMC 26554 AMR29579.1    
 A0257_18440   Hymenobacter sp. PAMC 26554 AMR28880.1    
 AXW84_13460   Hymenobacter sp. PAMC 26628 AMJ68179.1    
 AXW84_13435 (fragment)   Hymenobacter sp. PAMC 26628 AMJ66324.1    
 BN2497_403   Janthinobacterium sp. CG23_2 CUI18426.1    
 SAMN04488563_1921   Jiangella alkaliphila DSM 45079 SDU46334.1    
 AOZ06_45685 (fragment)   Kibdelosporangium phytohabitans KLBMP1111 ALG13188.1    
 AOZ06_50960   Kibdelosporangium phytohabitans KLBMP1111 ALG14093.1    
 ORF   Kibdelosporangium sp. MJ126-NF4 CTQ92297.1    
 ORF   Kibdelosporangium sp. MJ126-NF4 CTQ93511.1    
 Krad_0565   Kineococcus radiotolerans SRS30216 = ATCC BAA-149 ABS02054.1 A6W5G5  
 Krad_0558   Kineococcus radiotolerans SRS30216 = ATCC BAA-149 ABS02047.1    
 B6264_07435   Kitasatospora aureofaciens DM-1 ARF78772.1    
 CFP65_6368   Kitasatospora sp. MMS16-BH015 AUG81024.1    
 CFP65_4095   Kitasatospora sp. MMS16-BH015 AUG78856.1    
 ManB19   Klebsiella aerogenes B19 ANA84055.1    
 mannanase (KMAN) (probable fragment) 3.2.1.78 Klebsiella oxytoca KUB-CW2-3 AIT71003.1    
 NCTC2676_1_02753 (Celh_1)   Kocuria rosea NCTC2676_1 VDR33438.1    
 NCTC2676_1_02781 (Celh_2)   Kocuria rosea NCTC2676_1 VDR33466.1    
 NCTC7512_03456   Kocuria rosea NCTC7512 VEI52369.1    
 NCTC7512_01680 (CelH)   Kocuria rosea NCTC7512 VEI50624.1    
 NCTC7514_01282 (CelH)   Kocuria rosea NCTC7514 VEH42288.1    
 NCTC7514_03001   Kocuria rosea NCTC7514 VEH43961.1    
 KORDIASMS9_00104 (Xyl4) (fragment)   Kordia sp. SMS9 AXG67922.1    
 Kfla_2723   Kribbella flavida DSM 17836 ADB31788.1 D2PYZ4  
 Kfla_2725   Kribbella flavida DSM 17836 ADB31790.1 D2PYZ6  
 KALB_4935   Kutzneria albida DSM 43870 AHH98297.1    
 AKJ09_04402   Labilithrix luteola DSM 27648 AKU97738.1    
 Cphy_1071   Lachnoclostridium phytofermentans ISDg ABX41451.1 A9KMK6  
 Cphy_2128   Lachnoclostridium phytofermentans ISDg ABX42494.1 A9KJ82  
 Cphy_2276   Lachnoclostridium phytofermentans ISDg ABX42637.1 A9KK65  
 Verru16b_01804 (ManA)   Lacunisphaera limnophila IG16b AOS44736.1    
 Verru16b_00282   Lacunisphaera limnophila IG16b AOS43239.1    
 Lbys_2253   Leadbetterella byssophila DSM 17132 ADQ17930.1 E4RVN1  
 Lbys_3427   Leadbetterella byssophila DSM 17132 ADQ19076.1 E4RXX9  
 SAMN04515683_2651   Leifsonia sp. 157MF SDK20020.1    
 SAMN04515690_3689   Leifsonia sp. 197AMF SDH69241.1    
 SAMN04515680_0298   Leifsonia sp. 21MFCrub1.1 SEA42023.1    
 SAMN04515684_0100   Leifsonia sp. 466MF SDI70649.1    
 SAMN04515685_2635   Leifsonia sp. 467MF SEN35240.1    
 SAMN04515686_2301   Leifsonia sp. 509MF SDN73017.1    
 SAMN04515691_0331   Leifsonia sp. 98AMF SFL69688.1    
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