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 (1618); Uniprot accession (309); PDB accession (30); 3D entries (13); cryst (2)
All (1559) Archaea (7) Bacteria (1490) Eukaryota (45) unclassified (17) Structure (13 - 2 cryst) Characterized (72)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 15 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 β-mannanase (ManA) 3.2.1.78 Bacillus subtilis WL-3 AAZ95239.1 Q3S4E4  
 β-mannanase (ManA) 3.2.1.- Bacillus subtilis WL-7 AAT27435.1 Q6J4L3  
 β-mannanase (ManA)   Bacillus subtilis WL-8 ADH95691.1 D0UH99  
 β-mannanase (Man)   Bacillus subtilis WLY-12 AGT37255.1    
 endo-β-1,4-mannanase   Bacillus subtilis WY34 ADW78259.1    
 C663_0571 (GmuG)   Bacillus subtilis XF-1 AGE62418.1    
 mannan endo-1,4-β-mannosidase (Man303)   Bacillus subtilis YB-1519 AKQ00679.1    
 β-mannanase   Bacillus subtilis YH12 AJN57838.1    
 β-1,4-mannanase (Man;BcMan) 3.2.1.78 Bacillus subtilis Z-2 AAV84100.1 Q5PSP8 2QHA[A,B]
 B9C48_18365   Bacillus vallismortis NBIF-001 ARM29682.1    
 C0W57_17055   Bacillus velezensis 10075 AUS17788.1    
 CFN60_18775   Bacillus velezensis 157 ASK60312.1    
 BK055_19840   Bacillus velezensis 9912D APA04654.1    
 B7941_01565   Bacillus velezensis 9D-6 ARJ73287.1    
 CU084_20360   Bacillus velezensis AGVL-005 ATX85067.1    
 B938_18405   Bacillus velezensis AS43.3 AFZ92679.1    
 BMJ37_18360   Bacillus velezensis ATR2 ATU28614.1    
 BAMMD1_3512 (GmuG)   Bacillus velezensis B25 CUX95401.1    
 BACAU_3615 (YdhT)   Bacillus velezensis CAU B946 CCF07149.1    
 BCBMB205_37810   Bacillus velezensis CBMB205 ANF38661.1
ARN85650.1
   
 A1D33_010280   Bacillus velezensis CC09 ANB47682.1    
 C3Z10_20500   Bacillus velezensis CGMCC 11640 AVI30612.1    
 CVD07_18655   Bacillus velezensis CN026 ATY30198.1    
 A2I97_17865   Bacillus velezensis D2-2 AOU02805.1    
 C3438_08410   Bacillus velezensis DKU_NT_04 AVB09558.1    
 RBAM_035930   Bacillus velezensis FZB42 ABS75922.1 A7ZA96  
 ABH13_3760   Bacillus velezensis G341 AKL78334.1    
 B6257_08805   Bacillus velezensis GFP-2 AUJ60697.1    
 BVH55_19560   Bacillus velezensis GH1-13 AQS45968.1    
 BAGQ_3922   Bacillus velezensis GQJK49 ARZ60126.1    
 CJP14_19510   Bacillus velezensis J01 ASZ05894.1    
 AAV29_19200   Bacillus velezensis JJ-D34 AKF32559.1    
 NG74_03768 (GmuG)   Bacillus velezensis JS25R AIU83773.1    
 BAJT_18355   Bacillus velezensis JTYP2 ARB35132.1    
 CRH11_04090   Bacillus velezensis L-1 ATO09253.1    
 CQJ38_18770   Bacillus velezensis LABIM40 ATL41427.1    
 A8142_17820   Bacillus velezensis LS69 ANU31927.1    
 CXP43_20265   Bacillus velezensis Lzh-a42 AUG37938.1    
 BBJ33_18550   Bacillus velezensis M75 AOO63446.1    
 BAPNAU_3789 (YdhT)   Bacillus velezensis NAU-B3 CDH97569.1    
 AW02_036900 (ManB)   Bacillus velezensis NJN-6 AKD31838.1    
 BVS141_37090 (MaN)   Bacillus velezensis S141 BBA78203.1    
 A5891_17945   Bacillus velezensis S3-1 ANS40168.1    
 A6R78_16560   Bacillus velezensis SB1216 ANB85523.1    
 CHN56_02373 (GmuG)   Bacillus velezensis SCDB 291 ASS62834.1    
 CLI97_01887 (GmuG)   Bacillus velezensis SCGB 1 ATC51194.1    
 CLI98_01668 (GmuG)   Bacillus velezensis SCGB 574 ATD74973.1    
 V529_38660 (YdhT)   Bacillus velezensis SQR9 AHZ17892.1    
 S100072_03872 (GmuG)   Bacillus velezensis SRCM100072 ASB55177.1    
 S101413_04272 (GmuG)   Bacillus velezensis SRCM101413 ASB67688.1    
 BLL65_00730   Bacillus velezensis sx01604 AQZ71581.1    
 CEG11_18430   Bacillus velezensis T20E-257 ASF56962.1    
 CG798_04485   Bacillus velezensis TB1501 ASP24527.1    
 AJ82_20280   Bacillus velezensis TrigoCor1448 AHK51082.1    
 RBAU_3722 (GmuG)   Bacillus velezensis UCMB5033 CDG31688.1    
 BAM5036_3513 (GmuG)   Bacillus velezensis UCMB5036 CCP23518.1    
 BASU_3501 (GmuG)   Bacillus velezensis UCMB5113 CDG27777.1    
 C6P48_00730   Bacillus velezensis VCC-2003 AVM06876.1    
 BANAU_3775 (YdhT)   Bacillus velezensis YAU B9601-Y2 CCG51796.1    
 AAV30_01060   Bacillus velezensis YJ11-1-4 AKF74854.1    
 BRDCF_02175   Bacteroidales bacterium CF AGX07477.1
AGY53051.1
   
 BRDCF_09530   Bacteroidales bacterium CF AGX08894.1
AGY54506.1
   
 BcellWH2_04313 (Xyl4)   Bacteroides cellulosilyticus WH2 ALJ61530.1    
 BcellWH2_04310 (TxyA)   Bacteroides cellulosilyticus WH2 ALJ61527.1    
 BcellWH2_02024 (Mana_1)   Bacteroides cellulosilyticus WH2 ALJ59269.1    
 BcellWH2_03040 (Mana_3)   Bacteroides cellulosilyticus WH2 ALJ60278.1    
 BcellWH2_02025 (Mana_2)   Bacteroides cellulosilyticus WH2 ALJ59270.1    
 EL88_18330   Bacteroides dorei isolate HS1_L1_B_010 AII64983.1    
 BF638R_0822 (ManA)   Bacteroides fragilis 638R CBW21395.1 E1WLN1  
 BF638R_0829 (ManA)   Bacteroides fragilis 638R CBW21402.1 E1WLN8  
 MB0529_00769 (ManA)   Bacteroides fragilis BE1 CUA17425.1    
 MB0529_00762   Bacteroides fragilis BE1 CUA17418.1    
 VU15_03570   Bacteroides fragilis BOB25 AKA50875.1    
 VU15_03535   Bacteroides fragilis BOB25 AKA50870.1    
 BF0764   Bacteroides fragilis NCTC 9343 CAH06510.1 Q5LH75  
 exo-β-1,4-mannanase (mannobiose-producing) (ManA;BfMan26;BF0771) 3.2.1.100 Bacteroides fragilis NCTC 9343 CAH06517.1 Q5LH69  
 BUN20_01110   Bacteroides fragilis Q1F2 AUI45334.1    
 BUN20_01145   Bacteroides fragilis Q1F2 AUI45341.1    
 AE940_01025   Bacteroides fragilis S14 ANQ59508.1    
 AE940_01060   Bacteroides fragilis S14 ANQ59513.1    
 BF0839   Bacteroides fragilis YCH46 BAD47590.1 Q64Y36  
 BF0846   Bacteroides fragilis YCH46 BAD47597.1 Q64Y29  
 Bache_0228   Bacteroides helcogenes P 36-108 ADV42258.1    
 C3V43_14580   Bacteroides heparinolyticus F0111 AVM59112.1    
 exo-β-1,4-mannanase 26A (Mana_1;BoMan26A;Bovatus_02927;BACOVA_02092) (periplasmic) (Man26A) 3.2.1.100 Bacteroides ovatus ATCC 8483 ALJ47536.1   4ZXO[A]
 Bovatus_03701 (CelH)   Bacteroides ovatus ATCC 8483 ALJ48306.1    
 β-1,4-mannanase 26B (Mana_2;BoMan26B;Bovatus_02928;BACOVA_02093) (Man26B) 3.2.1.78
3.2.1.100
Bacteroides ovatus ATCC 8483 ALJ47537.1    
 BACOV975_00701   Bacteroides ovatus V975 SCV06947.1    
 BACOV975_00702   Bacteroides ovatus V975 SCV06948.1    
 BACOV975_01485   Bacteroides ovatus V975 SCV07714.1    
 Bacsa_1713   Bacteroides salanitronis DSM 18170 ADY36276.1    
 Bacsa_1714   Bacteroides salanitronis DSM 18170 ADY36277.1    
 Btheta7330_00589 (ManA)   Bacteroides thetaiotaomicron 7330 ALJ40168.1    
 BXY_21910   Bacteroides xylanisolvens XB1A CBK67266.1 D6CYL4  
 BXY_29010   Bacteroides xylanisolvens XB1A CBK67924.1 D6D0H2  
 C4H11_10940   Bacteroides zoogleoformans ATCC 33285 AVM54083.1    
 BARVI_08475   Barnesiella viscericola DSM 18177 AHF13854.1    
 Bcav_1162   Beutenbergia cavernae DSM 12333 ACQ79422.1 C5C118  
 BADO_0083   Bifidobacterium adolescentis 22L AII75509.1    
 β-mannanase (BaMan26A;BAD_1030) (Man26A) 3.2.1.78 Bifidobacterium adolescentis ATCC 15703 BAF39811.1 A1A278  
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