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 (1800); Uniprot accession (309); PDB accession (30); 3D entries (13); cryst (2)
All (1741) Archaea (8) Bacteria (1668) Eukaryota (48) unclassified (17) Structure (13 - 2 cryst) Characterized (72)
| 1 | ... | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 AMK01_CH00074   Rhizobium sp. N6212 ANK89604.1    
 AMK02_CH00074   Rhizobium sp. N731 ANK83734.1    
 AMK03_CH00074   Rhizobium sp. N741 ANM38652.1    
 AMK04_CH00074   Rhizobium sp. N871 ANM32534.1    
 AMK07_CH00079   Rhizobium sp. N941 ANM21427.1    
 NXC14_CH00076   Rhizobium sp. NXC14 ARO28096.1    
 NXC24_PC01463   Rhizobium sp. NXC24 AVA25895.1    
 BA939_18490   Rhizobium sp. S41 ANV25966.1    
 BLX90_20670   Rhizobium sp. Y9 AUC12671.1    
 RTCIAT899_PC09035   Rhizobium tropici CIAT 899 AGB75594.1    
 RSP_0157   Rhodobacter sphaeroides 2.4.1 ABA79330.1
AXC61544.1
Q3J1K4  
 EBL88_06950   Rhodobacter sphaeroides AB27 AZB59330.1    
 EBL89_07020   Rhodobacter sphaeroides AB29 AZB55073.1    
 Rsph17025_1334   Rhodobacter sphaeroides ATCC 17025 ABP70233.1 A4WS69  
 Rsph17029_1791   Rhodobacter sphaeroides ATCC 17029 ABN76898.1 A3PKN2  
 D0Z66_06095   Rhodobacter sphaeroides EBL0706 AXQ95078.1    
 RSKD131_1496   Rhodobacter sphaeroides KD131 ACM01356.1 B9KJQ9  
 A3858_08820   Rhodobacter sphaeroides MBTLJ-13 ANS34340.1    
 A3857_08815   Rhodobacter sphaeroides MBTLJ-20 ATN63384.1    
 APX01_08795   Rhodobacter sphaeroides MBTLJ-8 AMJ47628.1    
 APX01_08795   Rhodobacter sphaeroides MBTLJ-8 AMJ47628.1    
 BAR1_10970   Rhodobacteraceae bacterium BAR1 AXX98401.1    
 BAR1_07510   Rhodobacteraceae bacterium BAR1 AXX97791.1    
 AAT18_12695   Rhodococcus aetherivorans IcdP1 AKE92537.1    
 C7H75_03000   Rhodococcus hoagii DSSKP-R-001 AVP70846.1    
 RHA1_ro03572   Rhodococcus jostii RHA1 ABG95375.1 Q0SAR1  
 EP51_24020   Rhodococcus opacus R7 AII07555.1    
 Y013_07000   Rhodococcus pyridinivorans SB3094 AHD20434.1    
 C6369_023195   Rhodococcus rhodochrous EP4 AYA27996.1    
 CS378_02415   Rhodococcus ruber P14 ATQ27697.1    
 DCN13_11085   Rhodococcus ruber SD3 AWH01668.1    
 YT1_2708   Rhodococcus ruber YC-YT1 AXY52119.1    
 CSW53_01565   Rhodococcus ruber YYL AUM19698.1    
 D8W71_23110   Rhodococcus sp. P1Y AYJ50688.1    
 IM25_21030   Rhodococcus sp. p52 AOD23758.1    
 A4U64_12020   Rhodococcus sp. WB1 ANZ28158.1    
 Rmar_0467   Rhodothermus marinus DSM 4252 ACY47369.1 D0MER9  
 β-mannanase (ManA;Rmar_0016) 3.2.1.78 Rhodothermus marinus DSM 4252 ACY46925.1
CAA62442.1
P49425  
 Rhom172_0464   Rhodothermus marinus SG0.5JP17-172 AEN72408.1    
 Rhom172_0016   Rhodothermus marinus SG0.5JP17-172 AEN71969.1    
 A6W98_02870   Rhodovulum sulfidophilum DSM 1374 ANB33115.1    
 NHU_03940   Rhodovulum sulfidophilum DSM 2351 BAQ71064.1    
 A6024_02855   Rhodovulum sulfidophilum SNK001 ANB36963.1    
 ROI_01180   Roseburia intestinalis M50/1 CBL07467.1 D4KKR5  
 RO1_41120   Roseburia intestinalis XB6B4 CBL14297.1 D4L3V7  
 TH63_14890   Rufibacter sp. DG31D AKQ46623.1    
 DC20_05265   Rufibacter tibetensis strain 1351 ALI98493.1    
 DC20_15435   Rufibacter tibetensis strain 1351 ALJ01496.1    
 DC20_05245   Rufibacter tibetensis strain 1351 ALI98489.1    
 DC20_06380   Rufibacter tibetensis strain 1351 ALI98661.1    
 Ccel_1551   Ruminiclostridium cellulolyticum H10 ACL75903.1 B8I277  
 mannanase (ManA;Ccel_0752) (Man26A)   Ruminiclostridium cellulolyticum H10 ACL75130.1
ABG76971.1
Q0PRN0  
 Rumal_2064   Ruminococcus albus 7 = DSM 20455 ADU22555.1 E0LDX0  
 Rumal_0484   Ruminococcus albus 7 = DSM 20455 ADU21037.1 E0L544  
 Rumal_0863   Ruminococcus albus 7 = DSM 20455 ADU21390.1 E0L6C5  
 Rumal_1368   Ruminococcus albus 7 = DSM 20455 ADU21882.1 E0L9Q1  
 Rumal_0299   Ruminococcus albus 7 = DSM 20455 ADU20856.1 E0L6I2  
 Rumal_0317   Ruminococcus albus 7 = DSM 20455 ADU20874.1 E0L6K0  
 Rumal_0327   Ruminococcus albus 7 = DSM 20455 ADU20884.1 E0L6L0  
 Rumal_3152   Ruminococcus albus 7 = DSM 20455 ADU23617.1 E0L5H9  
 RBI_I01651   Ruminococcus bicirculans 80/3 CCO05353.1    
 RBI_I01906   Ruminococcus bicirculans 80/3 CCO05604.1    
 RBI_I00494   Ruminococcus bicirculans 80/3 CCO04218.1    
 RUMCAL_02504   Ruminococcus callidus ATCC 27760 ERJ92224.1    
 β-mannanase (GH26A;RUM_15270) (Man26A) 3.2.1.78 Ruminococcus champanellensis 18P13 = JCM 17042 CBL17621.1 D4LDC6  
 β-mannanase (GH26B;RUM_21270) (Man26B) 3.2.1.78 Ruminococcus champanellensis 18P13 = JCM 17042 CBL18146.1 D4LEV1  
 RUM_22250   Ruminococcus champanellensis 18P13 = JCM 17042 CBL18231.1 D4LF36  
 BN566_01842   Ruminococcus sp. CAG:254 CCZ84116.1    
 BN611_01933   Ruminococcus sp. CAG:330 CDE12720.1    
 BN645_00918   Ruminococcus sp. CAG:403 CDE29814.1    
 Runsl_3643   Runella slithyformis DSM 19594 AEI50001.1    
 Runsl_3234   Runella slithyformis DSM 19594 AEI49611.1    
 DR864_07575   Runella sp. HYN0085 AXE17602.1    
 DR864_09575   Runella sp. HYN0085 AXE17966.1    
 Sde_3022 (Gly26B)   Saccharophagus degradans 2-40 ABD82279.1 Q21GA0  
 Sde_3691 (Man26A)   Saccharophagus degradans 2-40 ABD82946.1 Q21ED3  
 AO058_04375 (fragment)   Salegentibacter sp. T436 APS38168.1    
 Sked_06050   Sanguibacter keddieii DSM 10542 ACZ20565.1 D1BAL4  
 SELR_19210   Selenomonas ruminantium subsp. lactilytica TAM6421 BAL83629.1    
 AXE86_06150   Selenomonas sp. oral taxon 136 F0591 AME03684.1    
 ADJ74_04045   Selenomonas sp. oral taxon 478 F0592 AKT53686.1    
 BCS37_00200   Selenomonas sp. oral taxon 920 W5150 AOH46966.1    
 shn_34420   Shinella sp. HZN7 ANH09209.1    
 AW14_03025   Siansivirga zeaxanthinifaciens CC-SAMT-1 AJR04746.1    
 SA2016_2867   Sinomonas atrocyanea KCTC 3377 AMM33532.1    
 SA2016_3988   Sinomonas atrocyanea KCTC 3377 AMM34642.1    
 SAMCCGM7_pC1083   Sinorhizobium americanum CCGM7 APG88277.1    
 SAMCFNEI73_pC1213   Sinorhizobium americanum CFNEI 73 APG94921.1    
 AOX55_00006142   Sinorhizobium fredii CCBAU 25509 AWM28917.1    
 AB395_00005247   Sinorhizobium fredii CCBAU 45436 AWI60424.1    
 SF83666_b61330   Sinorhizobium fredii CCBAU 83666 ASY72782.1    
 SFHH103_05428 (ManA)   Sinorhizobium fredii HH103 CCE99893.1    
 NGR_b17880   Sinorhizobium fredii NGR234 ACP23239.1 C3KLF3  
 RNGR00054   Sinorhizobium fredii NGR234 AAQ87081.1 Q6W2D6  
 NXT3_PC00754   Sinorhizobium fredii NXT3 AUX79915.1    
 USDA257_c13370   Sinorhizobium fredii USDA 257 AFL49928.1    
 Smed_3669   Sinorhizobium medicae WSM419 ABR62482.1 A6UFQ2  
 SMb20462   Sinorhizobium meliloti 1021 CAC48844.1
NP_436984.1
Q926B7  
 SM2011_b20462   Sinorhizobium meliloti 2011 AGG71444.1    
 Sinme_3722   Sinorhizobium meliloti AK83 AEG55425.1    
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