Glycoside Hydrolase Family 26

Activities in FamilyMixed-linkage xylan-specific endo-β-1,4-xylanase (cleaves glycosidic bond after β-1,3-linkage) (EC 3.2.1.-);
Exo-β-1,4-mannobiohydrolase / mannobiose-producing exo-β-mannanase (EC 3.2.1.100);
Endo-β-1,3-xylanase (EC 3.2.1.32);
Endo-β-1,4-glucanase (EC 3.2.1.4);
Lichenase / endo-β-1,3-1,4-glucanase (EC 3.2.1.73);
Endo-β-1,4-mannanase (EC 3.2.1.78);
Mechanism Retaining e
ClanGH-A
3D Structure Status( β / α ) 8 barrel
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 (5266); Uniprot accession (85); PDB accession (44); 3D entries (21); cryst (2)
| 1 | ... | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 E6P07_02995   Thermochromatium tepidum ATCC 43061 QGU32041.1    
 ODU73_001126   Thermoclostridium stercorarium RKWS1 UZQ86657.1    
 CSTERLE_05325   Thermoclostridium stercorarium subsp. leptospartum DSM 9219 ANX01043.1    
 β-mannanase 26A (Man26A; Mana1; Cst_c11340) 3.2.1.78 Thermoclostridium stercorarium subsp. stercorarium DSM 8532 AGC68130.1
AGI39156.1
L7VJA2  
 CSTERTH_05370   Thermoclostridium stercorarium subsp. thermolacticum DSM 2910 ANW98509.1    
 TDMWS_01100   Thermodesulfomicrobium sp. WS BDV00025.1    
 IMW88_00265   Thermoflavifilum sp. isolate Bu77 QOR76056.1    
 THTE_2137   Thermogutta terrifontis R1 ASV74739.1    
 HJD18_05320   Thermoleophilia bacterium SCSIO 60948 UJA19691.1    
 Tcur_4187   Thermomonospora curvata DSM 43183 ACY99714.1    
 Tcur_0986 (probable frameshift) (fragment)   Thermomonospora curvata DSM 43183 ACY96572.1    
 Toce_0165   Thermosediminibacter oceani DSM 16646 ADL06956.1    
 endo-β-1,3-xylanase (XylC; TnXyn26A; CTN_0617) (Xyn26A) 3.2.1.32 Thermotoga neapolitana DSM 4359 ACM22793.1
AAB70868.1
B9K760
O33841
cryst
 AKL02_006410   Thioclava electrotropha Elox9 QPZ90565.1    
 BMG03_07510   Thioclava nitratireducens 25B10_4 AQS49776.1    
 P0N61_02200   Thioclava nitratireducens M1-LQ-LJL-11 WGT50865.1    
 TBH_C2401   Thiolapillus brandeum Hiromi 1 BAO45311.1    
 TBH_C2298 (fragment)   Thiolapillus brandeum Hiromi 1 BAO45209.1    
 J1836_000890   Thiothrix fructosivorans ATCC 49748 QTX10966.1    
 RCF98_13200   Thiothrix lacustris MK1 WML89922.1    
 RCF98_07975   Thiothrix lacustris MK1 WML92266.1    
 RCF98_06795   Thiothrix lacustris MK1 WML92043.1    
 RCS87_09045   Thiothrix lacustris WS WMP19179.1    
 RCS87_12145   Thiothrix lacustris WS WMP16139.1    
 J9253_10805   Thiothrix sp. AS QTR44541.1    
 RCG00_18790   Thiothrix subterranea DNT52 WML86327.1    
 L2Y54_11745   Thiothrix winogradskyi CT3 UJS22618.1    
 HCG51_20265   Tolypothrix sp. PCC 7910 QIR41514.1    
 TRBR_07710   Treponema bryantii JCM 32280 BDC92674.1    
 TRSA_24700   Treponema saccharophilum JCM 32279 BDC97371.1    
 TRSA_24670   Treponema saccharophilum JCM 32279 BDC97368.1    
 Tresu_1057   Treponema succinifaciens DSM 2489 AEB13973.1    
 EPIB1_2032   Tritonibacter mobilis VCU59134.1    
 OMR53_09355   Tritonibacter mobilis A3R06 WHQ81406.1    
 K529_009280   Tritonibacter mobilis F1926 ANP40951.1    
 R1T40_03100   Tritonibacter scottomollicae LC.270.F.C4 WOI33749.1    
 P0M28_08380   Tunicatimonas pelagia NBRC 107804 WKN44979.1    
 RM788_44545   Umezawaea sp. Da 62-37 WNV85140.1    
 RM788_00850   Umezawaea sp. Da 62-37 WNV86868.1    
 RM788_41840   Umezawaea sp. Da 62-37 WNV84644.1    
 RM788_00845   Umezawaea sp. Da 62-37 WNV86867.1    
 RM788_41860   Umezawaea sp. Da 62-37 WNV84648.1    
 glycoside hydrolase family protein 26   uncultured bacterium AKF12291.1    
 glycosyl hydrolase family 26, partial (fragment)   uncultured bacterium ALS91268.1    
 ORF   uncultured bacterium AMP56162.1    
 glycoside hydrolase   uncultured bacterium AMO13189.1    
 bifunctional mannanase-xyloglucanase (MNXEG) 3.2.1.78 uncultured bacterium ADA62505.1 D2KKK4  
 cellulase   uncultured bacterium AXN53381.1    
 endo-β-1,4-mannanase family GH26 (Man26)   uncultured bacterium QIN54096.1    
 endoglycosidase (GH6248) (Cel5A) 3.2.1.78 uncultured bacterium ABB46200.1 Q283N5  
 Glyco_hydro_26, partial (fragment)   uncultured bacterium AIA94661.1    
 GH26   uncultured bacterium CAK9711991.1    
 GH26 (fragment)   uncultured bacterium CAK9712524.1    
 GH26   uncultured bacterium CAK9712428.1    
 CBM35-GH26   uncultured bacterium CAK9708418.1    
 GH26 (fragment)   uncultured bacterium CAK9711647.1    
 GH26 (fragment)   uncultured bacterium CAK9711861.1    
 GH26   uncultured bacterium CAK9710708.1    
 GH26   uncultured bacterium CAK9710353.1    
 GH26 (fragment)   uncultured bacterium CAK9711077.1    
 CBM35_GH26 (fragment)   uncultured bacterium CAK9708536.1    
 GH26   uncultured bacterium CAK9711997.1    
 CBM35-GH26   uncultured bacterium CAK9710083.1    
 CBM35-GH26   uncultured bacterium CAK9708712.1    
 GH26 (fragment)   uncultured bacterium CAK9711190.1    
 GH26 (fragment)   uncultured bacterium CAK9712688.1    
 ORF (fragment)   uncultured bacterium AIA12809.1    
 ORF   uncultured bacterium contig00008(2014) AIA99594.1    
 ORF (fragment)   uncultured bacterium contig00008(2014) AIA99595.1    
 ORF   uncultured bacterium contig00010(2014) AIA99571.1    
 ORF   uncultured bacterium contig00010(2014) AIA99570.1    
 ORF   uncultured bacterium contig00025 AGS53421.1    
 mannan endo-1,4-β-mannosidase   uncultured bacterium contig00029 AGS52097.1    
 mannan endo-1,4-β-mannosidase   uncultured bacterium contig00188 AGS54419.1    
 ORF   uncultured bacterium Contig196 AHF25222.1    
 CAZy families GH26 protein (fragment)   uncultured Bacteroides sp. AIA89899.1    
 CAZy families GH26 protein, partial (fragment)   uncultured Bacteroides sp. AIA86345.1    
 exo-β-mannanase (GH26_i) 3.2.1.100 uncultured Bacteroidetes bacterium AIT97142.1 A0A097KUR5  
 Glyco_hydro_26, partial (fragment)   uncultured Bifidobacterium sp. AIA88446.1    
 CAZy families GH26 protein, partial (fragment)   uncultured Cellvibrio sp. AIA85085.1    
 CAZy families GH26|CBM35 protein, partial (fragment)   uncultured Clostridium sp. AIA85397.1    
 endomannanase (Man1; GC_Man1) 3.2.1.78 uncultured Dictyoglomus sp. QRN45945.1 A0A891XKI6  
 Glyco_hydro_26 (fragment)   uncultured Fibrobacter sp. AIA95534.1    
 CAZy families GH26 protein, partial (fragment)   uncultured Flavobacterium sp. AIA93392.1    
 Glyco_hydro_26, partial (fragment)   uncultured Flavobacterium sp. AIA86793.1    
 Glyco_hydro_26, partial (fragment)   uncultured Leadbetterella sp. AIA85476.1    
 Glyco_hydro_26, partial (fragment)   uncultured Opitutus sp. AIA87624.1    
 CAZy families GH5|GH26 protein, partial (fragment)   uncultured Paludibacter sp. AIA95710.1    
 CAZy families GH26 protein (fragment)   uncultured Parabacteroides sp. AIA85478.1    
 CAZy families GH26 protein, partial (fragment)   uncultured Parabacteroides sp. AIA92796.1    
 LPB138_04625   Urechidicola croceus LPB0138 AOW22012.1    
 LPB138_12945   Urechidicola croceus LPB0138 AOW21530.1    
 HZI73_01085   Vallitalea pronyensis FatNI3 QUI20973.1    
 HZI73_01055   Vallitalea pronyensis FatNI3 QUI20968.1    
 HZI73_01050   Vallitalea pronyensis FatNI3 QUI20967.1    
 SAMN05444156_1005   Verrucomicrobium sp. GAS474 SDT95071.1    
 SAMN05444156_2515   Verrucomicrobium sp. GAS474 SDU19234.1    
 VASRM7_31   Verrucosispora sp. MS100047 AIS85270.1    
 HUT12_10945   Verrucosispora sp. NA02020 QKW13258.1    
 O3597_14930   Verrucosispora sp. WMMA2044 WBB46497.1    
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