Glycoside Hydrolase Family 26

Known Activitiesβ-mannanase (EC 3.2.1.78); β-1,3-xylanase (EC 3.2.1.32)
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; InterPro; MEGAZYME; PFAM; PRINTS;
Commercial Enzyme Provider(s)NZYTech; PROZOMIX;
Statistics GenBank accession (485); Uniprot accession (303); PDB accession (24); 3D entries (10); cryst (2)
All (446) Archaea (5) Bacteria (408) Eukaryota (20) unclassified (13) Structure (10 - 2 cryst) Characterized (43)
Bacteria
Protein Name EC#OrganismGenBankUniprotPDB/3D
 β-1,3-xylanase (TxyA;3xynAlc) 3.2.1.32 Alcaligenes sp. XY-234 BAB88993.1 Q8RS40  
 β-mannanase 3.2.1.78 Bacillus circulans NT6.7 AEO19987.1    
 endo-β-1,4-mannanase (ManB;YdhT;BLi00735;BL00606) 3.2.1.78 Bacillus licheniformis ATCC 14580 / DSM13 AAU22320.1
AAU22321.2
AAU39670.1
Q65MP4 cryst
 β-mannanase (M-I;M-II;M-III) 3.2.1.78 Bacillus mannanilyticus AM-001 A37219
AAA22586.1
P16699.1  
 β-mannanase 3.2.1.78 Bacillus sp. 5H BAA31711.1 O83011  
 β-mannanase 26A (AmA) (alkaline) (Man26A) 3.2.1.78 Bacillus sp. JAMB750 BAE80444.1 Q2ACI1  
 endo-β-1,4-mannanase (ManA) 3.2.1.78 Bacillus sp. W-2 BAA21553.1 Q76N66  
 β-mannanase (Man23) 3.2.1.78 Bacillus subtilis B23      
 β-mannanase (ManB36) 3.2.1.78 Bacillus subtilis B36 ABC73065.1 Q2L7F9  
 β-mannanase (Man1) 3.2.1.78 Bacillus subtilis HB002 AAK16706.1 Q9AGZ3  
 β-mannanase 3.2.1.78 Bacillus subtilis MA139 ACH41133.1 B5LX62  
 β-mannanase (ManA) 3.2.1.78 Bacillus subtilis MUSc-1 / BCC41051 ADZ54787.1    
 β-mannanase 3.2.1.78 Bacillus subtilis NM-39 BAA07178.1 P55278  
 β-mannanase (YdhT;BSU05880) 3.2.1.78 Bacillus subtilis subsp. subtilis str. 168 BAA19712.1
CAB12407.1
CAB12407.2
NP_388469.1
O05512 2WHK[A]
3CBW[A,B]
 β-mannanase (ManA) 3.2.1.78 Bacillus subtilis WL-3 AAZ95239.1 Q3S4E4  
 β-1,4-mannanase (Man;BcMan) 3.2.1.78 Bacillus subtilis Z-2 AAV84100.1 Q5PSP8 2QHA[A,B]
 β-1,4-mannanase (ManA;BF0771) 3.2.1.- Bacteroides fragilis NCTC 9343 CAH06517.1 Q5LH69  
 β-mannanase (ManA) 3.2.1.78 Caldicellulosiruptor sp. Rt8B.4 AAC44232.1 P77847  
 β-mannanase (Man26A) 3.2.1.78 Cellulomonas fimi ATCC 484 AAD42774.1 Q9XCV5 2BVT[A,B]
2BVY[A]
2X2Y[A,B]
3TP4[A,B]
 β-1,4-mannanase A (ManA;CJA_2770) (Man26A) 3.2.1.78 Cellvibrio japonicus Ueda107 ACE82849.1
CAA57670.2
B3PBK3
P49424
1GVY[A]
1GW1[A]
1J9Y[A]
1ODZ[A,B]
2WHM[A]
 endo-β-1,4-mannanase 26B (CJA_2480) (Man26B) 3.2.1.78 Cellvibrio japonicus Ueda107 AAO31762.1
ACE85176.1
B3PKL2
Q840B9
 
 mannobiose-producing exo-β-mannanase (CJA_0236;CjMan26C) (Man26C) 3.2.1.- Cellvibrio japonicus Ueda107 ACE84009.1 B3PGI1 2VX4[A]
2VX5[A]
2VX6[A]
2VX7[A]
 mannanase B (ManB;NC2;Clocel_2607) 3.2.1.78 Clostridium cellulovorans 743B ADL52314.1
YP_003844078.1
D9SQV8  
 β-mannanase 26B (Man26B) 3.2.1.78 Clostridium thermocellum F1 BAB19050.1 Q9F1T9  
 endo-β-1,4-glucanase / β-1,3:1,4-glucanase H (CelH) (Lic26A;Cel5E) 3.2.1.73 Clostridium thermocellum NCIB 10682 AAA23225.1 P16218.1 2BV9[A]
2BVD[A]
2CIT[A]
2V3G[A]
2VI0[A]
 β-mannanase A (ManA) (Man26A) 3.2.1.78 Clostridium thermocellum YS CAB52403.1 Q9REC7  
 β-mannanase (ManA) 3.2.1.78 Dictyoglomus thermophilum RT46B.1 AAB82454.1 O30654  
 xyloglucanase / β-mannanase (Cel44C-Man26A) 3.2.1.151 Paenibacillus polymyxa GS01 AAW12876.1
ABC88431.1
ACE10759.1
   
 β-1,4-mannanase (Man26B) 3.2.1.78 Paenibacillus sp. BME-14 ACS92711.1 C6KL35  
 endo-β-1,4-mannanase (Man26P) 3.2.1.78 Pantoea agglomerans A021 ACN30272.1 C0KZC5  
 β-1,3-xylanase (AxnB) 3.2.1.32 Pseudomonas sp. ND137 BAB79289.1 Q8VUT2  
 β-mannanase (ManA;Rmar_0016) 3.2.1.78 Rhodothermus marinus DSM 4252 ACY46925.1
CAA62442.1
P49425  
 endo-β-1,3-xylanase (XylC;CTN_0617) (Xyn26A) 3.2.1.32 Thermotoga neapolitana DSM 4359 ACM22793.1 B9K760 cryst
 endoglycosidase (GH6248) 3.2.1.4
3.2.1.73
uncultured bacterium ABB46200.1 Q283N5  
 β-1,3-xylanase (Xyl4) 3.2.1.32 Vibrio sp. AX-4 BAD51934.1   2DDX[A]
 endo-1,3-β-xylanase (TxyA) 3.2.1.32 Vibrio sp. XY-214 BAA94698.1 Q9LCB9  
Eukaryota
Protein Name EC#OrganismGenBankUniprotPDB/3D
 endo-β-1,4-mannanase (An15g07760) (Man26A) 3.2.1.78 Aspergillus niger CBS 513.88 CAK42663.1 A2R6F5  
 β-mannanase (ManA) 3.2.1.78 Aspergillus niger JS      
 β-mannanase 3.2.1.78 Humicola insolens AAQ31840.1    
 β-mannanase A (ManA) 3.2.1.78 Piromyces sp. CAA62968.1 P55296  
 β-mannanase B (ManB) 3.2.1.78 Piromyces sp. CAA66061.1 P55297  
 β-mannanase C (ManC) 3.2.1.78 Piromyces sp. CAA66134.1 P55298  
 endo-β-1,4-mannanase (Pa_5_1950) (Man26A) 3.2.1.78 Podospora anserina S mat+ ADO14135.1
CAP61906.1
B2AEP0  

Footnotes

Experimental characterization exclusively covers enzyme activities at present. If you are aware of any missing experimental characterization that should be mentioned here, we encourage you to send your comment and support of the experimental evidence, including an electronic copy or appropriate link to the support material (i.e., article(s), thesis, database, etc), to cazy@afmb.univ-mrs.fr.





Last update: 2012-01-31 © Copyright 1998-2012
AFMB - CNRS - Universités Aix-Marseille I & II