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 (1508); Uniprot accession (309); PDB accession (30); 3D entries (13); cryst (2)
All (1454) Archaea (7) Bacteria (1391) Eukaryota (41) unclassified (15) Structure (13 - 2 cryst) Characterized (72)
| 1 | ... | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 B446_20270   Streptomyces collinus Tu 365 AGS70866.1    
 SHJG_5828   Streptomyces hygroscopicus subsp. jinggangensis 5008 AEY91095.1    
 SHJGH_5590   Streptomyces hygroscopicus subsp. jinggangensis TL01 AGF65253.1    
 SHL15_4465   Streptomyces hygroscopicus subsp. limoneus KCTC 1717 ALO95557.1    
 ABB07_03580   Streptomyces incarnatus NRRL 8089 AKJ09135.1    
 Sle_55310   Streptomyces leeuwenhoekii C34 (= DSM 42122 = NRRL B-24963) CQR64988.1    
 Sle_30500   Streptomyces leeuwenhoekii C34 (= DSM 42122 = NRRL B-24963) CQR62511.1    
 SLINC_0329   Streptomyces lincolnensis NRRL 2936 ANS62553.1    
 BBN63_06890   Streptomyces niveus SCSIO 3406 AQU66013.1    
 BBN63_21400   Streptomyces niveus SCSIO 3406 AQU71114.1    
 B1H29_15495   Streptomyces pactum ACT12 AQS68154.1    
 B1H29_03780   Streptomyces pactum ACT12 AQS66174.1    
 BC342_20690   Streptomyces pactum KLBMP 5084 AOW88538.1    
 Spa2297_19335   Streptomyces parvulus 2297 ANJ08926.1    
 LK06_001980   Streptomyces pluripotens MUSC 135 ARP68922.1    
 LK07_03060   Streptomyces pluripotens MUSC 137 ASN23177.1    
 Sfla_0179   Streptomyces pratensis ATCC 33331 ADW01647.1 C9N800  
 SCAB_16551   Streptomyces scabiei 87.22 CBG68789.1 C9ZD61  
 SAMN05444521_4372   Streptomyces sp. 3124.6 SHI13974.1    
 SAMN05444521_3688   Streptomyces sp. 3124.6 SHI07307.1    
 SAMN05444521_5135   Streptomyces sp. 3124.6 SHI19351.1    
 GZL_07556   Streptomyces sp. 769 AJC60106.1    
 ABE83_03140   Streptomyces sp. CFMR 7 ALC26190.1    
 CAC01_19030   Streptomyces sp. CLI2509 CLI2905 ASY34502.1    
 CAC01_01935   Streptomyces sp. CLI2509 CLI2905 ASY31589.1    
 CAC01_01115   Streptomyces sp. CLI2509 CLI2905 ASY31452.1    
 B1K54_12100   Streptomyces sp. fd1-xmd AQT72324.1    
 B1K54_12105   Streptomyces sp. fd1-xmd AQT72325.1    
 F750_6841   Streptomyces sp. PAMC 26508 AGJ59265.1    
 A4E84_23810   Streptomyces sp. S10(2016) AMW12252.1    
 CAG99_00110   Streptomyces sp. SCSIO 03032 ARQ67455.1    
 B6R96_19655   Streptomyces sp. Sge12 ARE75885.1    
 SAMN05216371_0603   Streptomyces sp. TLI_053 SDS78135.1    
 SAMN05216371_3218   Streptomyces sp. TLI_053 SDT62459.1    
 SVEN_2812   Streptomyces venezuelae ATCC 10712 CCA56098.1    
 SVEN_0109 (possible fragment)   Streptomyces venezuelae ATCC 10712 CCA53397.1    
 BN2537_10483   Streptomyces venezuelae ATCC 15439 CUM40759.1    
 AQF52_3262   Streptomyces venezuelae ATCC 15439 ALO08856.1    
 Sros_8589   Streptosporangium roseum DSM 43021 ACZ91231.1 D2B3Z7  
 Sros_7663   Streptosporangium roseum DSM 43021 ACZ90336.1 D2ARJ6  
 Syn7502_00303   Synechococcus sp. PCC 7502 AFY72470.1    
 Swol_1096   Syntrophomonas wolfei subsp. wolfei str. Goettingen G311 ABI68406.1 Q0AXZ8  
 TERTU_4094   Teredinibacter turnerae T7901 ACR12491.1 C5BUE9  
 TERTU_0149   Teredinibacter turnerae T7901 ACR12952.1 C5BLD5  
 SAMN00808754_2947   Thermanaeromonas toyohensis ToBE SMB99538.1    
 SAMN00808754_1709   Thermanaeromonas toyohensis ToBE SMB96926.1    
 Taci_0602   Thermanaerovibrio acidaminovorans DSM 6589 ACZ18838.1 D1B985  
 Thit_2257   Thermoanaerobacter italicus Ab9 ADD03468.1 D3T674  
 TKV_c23180   Thermoanaerobacter kivui DSM 2030 AIS53445.1    
 Thewi_2590   Thermoanaerobacter wiegelii Rt8.B1 AEM79915.1    
 Tsac_1166   Thermoanaerobacterium saccharolyticum JW/SL-YS485 AFK86179.1    
 Tsac_0691   Thermoanaerobacterium saccharolyticum JW/SL-YS485 AFK85715.1    
 Tthe_0134   Thermoanaerobacterium thermosaccharolyticum DSM 571 ADL67722.1 D9TNY4  
 Theco_2267   Thermobacillus composti KWC4 AGA58380.1    
 Theco_0501 (fragment)   Thermobacillus composti KWC4 AGA56714.1    
 Theco_1549   Thermobacillus composti KWC4 AGA57687.1    
 Theco_2266   Thermobacillus composti KWC4 AGA58379.1    
 Tbis_3138   Thermobispora bispora DSM 43833 ADG89832.1 D6Y896  
 THTE_2137   Thermogutta terrifontis R1 ASV74739.1    
 Tcur_4187   Thermomonospora curvata DSM 43183 ACY99714.1 D1A261  
 Tcur_0986 (probable frameshift) (fragment)   Thermomonospora curvata DSM 43183 ACY96572.1 D1A7I3  
 Toce_0165   Thermosediminibacter oceani DSM 16646 ADL06956.1 D9S028  
 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
 BMG03_07510   Thioclava nitratireducens 25B10_4 AQS49776.1    
 TBH_C2401   Thiolapillus brandeum Hiromi 1 BAO45311.1    
 TBH_C2298 (fragment)   Thiolapillus brandeum Hiromi 1 BAO45209.1    
 Tresu_1057   Treponema succinifaciens DSM 2489 AEB13973.1    
 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) 3.2.1.73
3.2.1.78
uncultured bacterium ADA62505.1 D2KKK4  
 endoglycosidase (GH6248) (Cel5A) 3.2.1.4
3.2.1.73
3.2.1.78
3.2.1.8
uncultured bacterium ABB46200.1 Q283N5  
 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 Contig196 AHF25222.1    
 exo-β-mannanase (GH26_i) 3.2.1.100 uncultured Bacteroidetes bacterium AIT97142.1    
 SAMN05444156_1005   Verrucomicrobiaceae bacterium GAS474 SDT95071.1    
 SAMN05444156_1720   Verrucomicrobiaceae bacterium GAS474 SDU05877.1    
 SAMN05444156_2515   Verrucomicrobiaceae bacterium GAS474 SDU19234.1    
 VAB18032_19605   Verrucosispora maris AB-18-032 AEB45023.1    
 VAB18032_14880   Verrucosispora maris AB-18-032 AEB44088.1    
 VASRM7_31   Verrucosispora sp. MS100047 AIS85270.1    
 β-1,3-xylanase (Xyl4) 3.2.1.32 Vibrio sp. AX-4 BAD51934.1   2DDX[A]
3VPL[A]
 endo-1,3-β-xylanase (TxyA) 3.2.1.32 Vibrio sp. XY-214 BAA94698.1 Q9LCB9  
 ZPR_0354 (fragment)   Zunongwangia profunda SM-A87 ADF50713.1 D5BDX2  
 ZPR_0355 (probable fragment)   Zunongwangia profunda SM-A87 ADF50714.1 D5BDX3  
 ZPR_3471   Zunongwangia profunda SM-A87 ADF53787.1 D5BJT9  
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