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 (1967); Uniprot accession (309); PDB accession (31); 3D entries (14); cryst (2)
All (1906) Archaea (11) Bacteria (1824) Eukaryota (48) unclassified (23) Structure (14 - 2 cryst) Characterized (74)
| 1 | ... | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | ... | 19 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 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    
 A0130_13230   Leifsonia xyli SE134 ANF32501.1    
 A0130_04145   Leifsonia xyli SE134 ANF30979.1    
 O159_27910 (fragment)   Leifsonia xyli subsp. cynodontis DSM 46306 AGW42677.1    
 BBK82_38055   Lentzea guizhouensis DHS C013 ANZ43363.1    
 BBK82_33980   Lentzea guizhouensis DHS C013 ANZ40297.1    
 AXF11_03580   Leptotrichia sp. oral taxon 847 F0260 AMD94756.1    
 LPB138_04625   Lutibacter sp. LPB0138 AOW22012.1    
 LPB138_12945   Lutibacter sp. LPB0138 AOW21530.1    
 D7I47_12470   Lysinimonas sp. 2DFWR-13 AYF98985.1    
 D7I47_07875   Lysinimonas sp. 2DFWR-13 AYF98177.1    
 CJ739_717   Mariniflexile sp. TRM1-10 AXP79813.1    
 CJ739_713   Mariniflexile sp. TRM1-10 AXP79809.1    
 CJ739_331   Mariniflexile sp. TRM1-10 AXP79429.1    
 SAMN04488570_2232   Marmoricola scoriae DSM 22127 SDS59482.1    
 EYF70_02975   Massilia albidiflava DSM 17472 QBH99920.1    
 EWM63_22260   Massilia lutea DSM 17473 QBE65375.1    
 CR152_23640   Massilia violaceinigra B2 ATQ77175.1    
 Mrub_1311   Meiothermus ruber DSM 1279 ADD28073.1
AGK04542.1
D3PRJ0  
 MROS_0510   Melioribacter roseus P3M-2 AFN73753.1    
 MROS_2623   Melioribacter roseus P3M-2 AFN75853.1    
 MEBOL_000513   Melittangium boletus DSM 14713 ATB27078.1    
 MEBOL_002129   Melittangium boletus DSM 14713 ATB28680.1    
 MEBOL_000897   Melittangium boletus DSM 14713 ATB27455.1    
 MEBOL_001899   Melittangium boletus DSM 14713 ATB28452.1    
 Mesau_04790   Mesorhizobium australicum WSM2073 AGB47113.1    
 Mesci_4736   Mesorhizobium ciceri biovar biserrulae WSM1271 ADV13845.1    
 A4R29_09655   Mesorhizobium ciceri biovar biserrulae WSM1284 AMX99737.1    
 A4R28_03390   Mesorhizobium ciceri CC1192 AMX92231.1    
 MCHK_1299   Mesorhizobium huakuii 7653R AID29127.1    
 Mll7872   Mesorhizobium japonicum MAFF 303099 BAB54245.1
NP_108100.1
Q984R8  
 A9174_26940   Mesorhizobium loti NZP2037 ANN61746.1    
 MLTONO_7128   Mesorhizobium loti TONO BAV52030.1    
 Mesop_5228   Mesorhizobium opportunistum WSM2075 AEH89644.1    
 EJ071_30215   Mesorhizobium sp. M1B.F.Ca.ET.045.04.1.1 AZO31240.1    
 EJ067_05045   Mesorhizobium sp. M1D.F.Ca.ET.043.01.1.1 AZO70619.1    
 EJ068_26615   Mesorhizobium sp. M2A.F.Ca.ET.043.02.1.1 AZO06249.1    
 EJ069_14190   Mesorhizobium sp. M2A.F.Ca.ET.043.05.1.1 AZO15761.1    
 EJ072_01230   Mesorhizobium sp. M2A.F.Ca.ET.046.03.2.1 AZO33289.1    
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