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 (1544); Uniprot accession (309); PDB accession (30); 3D entries (13); cryst (2)
All (1486) Archaea (7) Bacteria (1423) Eukaryota (41) unclassified (15) Structure (13 - 2 cryst) Characterized (72)
| 1 | ... | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 CDO31_33525   Sinorhizobium meliloti USDA1157 ASP56191.1    
 SS05631_b55950   Sinorhizobium sp. CCBAU 05631 ASY59687.1    
 Solca_2504   Solitalea canadensis DSM 3403 AFD07539.1    
 Solca_2512   Solitalea canadensis DSM 3403 AFD07547.1    
 Orf6   Sorangium cellulosum SO CE26 AAK19890.1 Q9ADL2  
 sce0808   Sorangium cellulosum So ce56 CAN90965.1    
 sce4867   Sorangium cellulosum So ce56 CAN95030.1 A9FFU6  
 SCE1572_29210   Sorangium cellulosum So0157-2 AGP38198.1    
 Sph21_0933   Sphingobacterium sp. 21 ADZ77507.1    
 β-1,4-mannanase (ManA;ManAGN25) 3.2.1.- Sphingobacterium sp. GN25 AGC01502.1    
 BN1088_1430661   Sphingobacterium sp. PM2-P1-29 CDS92257.1    
 BN1088_1432669   Sphingobacterium sp. PM2-P1-29 CDT00091.1    
 TS85_01360   Sphingomonas hengshuiensis WHSC-8 AJP70762.1    
 BJP26_18345   Sphingomonas melonis TY AOW25662.1    
 endo-β-1,4-mannanase (ManA;ManAJB13) 3.2.1.- Sphingomonas sp. JB13 AFE82293.1    
 KC8_02445   Sphingomonas sp. KC8 ARS26151.1    
 Slin_3032   Spirosoma linguale DSM 74 ADB39043.1 D2QL96  
 Slin_6532   Spirosoma linguale DSM 74 ADB42489.1 D2QUK7  
 SD10_09410   Spirosoma radiotolerans DG5A AKD55093.1    
 Snas_3531 (probable fragment)   Stackebrandtia nassauensis DSM 44728 ADD43193.1 D3PWH1  
 Snas_5243   Stackebrandtia nassauensis DSM 44728 ADD44877.1 D3QBY8  
 Snov_0557   Starkeya novella DSM 506 ADH87890.1 D7A470  
 STAUR_0158   Stigmatella aurantiaca DW4/3-1 ADO67967.1 E3FKJ4  
 STAUR_7274   Stigmatella aurantiaca DW4/3-1 ADO75030.1 E3G0T2  
 ORF29   Streptomyces ambofaciens CAM96608.1
CAG28239.1
CAT02242.1
   
 SAM23877_5596 (Srm41)   Streptomyces ambofaciens ATCC 23877 AKZ58641.1    
 SAM23877_4411   Streptomyces ambofaciens ATCC 23877 AKZ57456.1    
 SAM40697_5085   Streptomyces ambofaciens DSM 40697 ANB09042.1    
 SAM40697_3967   Streptomyces ambofaciens DSM 40697 ANB07925.1    
 BB341_16230   Streptomyces clavuligerus F613-1 ANW19657.1    
 BB341_16225   Streptomyces clavuligerus F613-1 ANW19656.1    
 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    
 CGZ69_10675   Streptomyces peucetius subsp. caesius ATCC 27952 ATW48324.1    
 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    
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