Glycoside Hydrolase Family 6

Known Activitiesendoglucanase (EC 3.2.1.4); cellobiohydrolase (EC 3.2.1.91)
Mechanism Inverting
Catalytic Nucleophile/BaseAsp (experimental)
Catalytic Proton DonorAsp (experimental)
Noteformerly known as cellulase family B. The cellobiohydrolases of this family are widely believed to act processively from the non-reducing ends of cellulose chains to generate cellobiose.
External resourcesCAZypedia; HOMSTRAD; InterPro; PFAM; PRINTS; PROSITE;
Statistics GenBank accession (422); Uniprot accession (231); PDB accession (33); 3D entries (6); cryst (0)
Bacteria
Protein Name EC#OrganismGenBankUniprotPDB/3D
 cellobiohydrolase A (CbhA) (Cel6B) 3.2.1.91 Cellulomonas fimi ATCC 484 AAC36898.1
ABH87631.1
P50401  
 endo-β-1,4-glucanase A (CenA) (Cel6A) 3.2.1.4 Cellulomonas fimi ATCC 484 AAA23084.1
AAE59939.1
P07984.1  
 endo-β-1,4-glucanase (CenA;MCenA) 3.2.1.4 Micromonospora cellulolyticum AAC60491.1 Q53488  
 endoglucanase (CelA;Rv0062;MTV030.05) (Cel6) 3.2.1.4 Mycobacterium tuberculosis H37Rv CAA16243.1
CAE55238.1
NP_214576.1
  1UOZ[A]
1UP0[A]
1UP2[A]
1UP3[A]
 endo-β-1,4-glucanase I (EGI;EGII) 3.2.1.4 Neisseria sicca SB BAJ21449.1 E1CAJ8  
 endo-β-1,4-glucanase 6A (Sde_2272) (Cel6A) 3.2.1.4 Saccharophagus degradans 2-40 ABD81532.1 Q21IE7  
 endo-1,4-glucanase (fragment) 3.2.1.4 Stigmatella aurantiaca CAA54143.1 Q53652  
 endo-β-1,4-glucanase A (CelA1;Cel1;CMCASE I) 3.2.1.4 Streptomyces halstedii JM8 CAA78145.1 P33682.2  
 endo-1,4-glucanase A 3.2.1.4 Streptomyces sp. KSM-9 AAA26713.1
AAA26776.1
AAE59941.1
CAA43330.1
P13933.3  
 exoglucanase (CbhII) 3.2.1.91 Streptomyces sp. M23 BAB83928.1 Q8VLR1  
 bifunctional β-1,4-endoglucanase / cellobiohydrolase (CelAB) 3.2.1.91 Teredinibacter turnerae T7901 ABS72374.1 A9Q634  
 cellulase (Ex) 3.2.1.4
3.2.1.91
Thermobifida fusca AAF75786.1 Q9KH72  
 cellobiohydrolase 6B / exoglucanase (E3;Tfu_0620) (Cel6B) 3.2.1.91 Thermobifida fusca YX AAA62211.1
AAZ54658.1
ABH87632.1
Q47SA9
Q60029
 
 endo-β-1,4-glucanase (E2;CelB;Tfu_1074) (Cel6A) 3.2.1.4 Thermobifida fusca YX AAC06388.1
AAE59940.1
AAZ55112.1
P26222.2
Q47R05
1TML[A]
2BOD[X]
2BOE[X]
2BOF[X]
2BOG[X]
3RU8[X]
 endo-β-1,4-glucanase A (CelA) 3.2.1.4 Thermobispora bispora / Microbispora bispora   P26414.1  
 endo-β-1,4-glucanase (Cel6A) 3.2.1.4 Xylanimicrobium pachnodae DSM 12657 AAD54679.1 Q9RQE6  
Eukaryota
Protein Name EC#OrganismGenBankUniprotPDB/3D
 cellobiohydrolase II (Acc2) 3.2.1.91 Acremonium cellulolyticus Y-94 AAE50824.1
BAA74458.1
O93837  
 cellobiohydrolase II (Cel3;Cel3A) 3.2.1.91 Agaricus bisporus D649 AAA50607.1
AAA50608.1
AAE59938.1
CAA83971.1
P49075  
 cellulase (CelA) 3.2.1.91 Anaeromyces sp. W-98 AAQ09258.1 Q6A4K7  
 cellobiohydrolase (AN5282.2) 3.2.1.91 Aspergillus nidulans FGSC A4 ABF50873.1
EAA62442.1
   
 cellobiohydrolase (Cbh2) (Cel6A) 3.2.1.91 Chaetomium thermophilum CT2 AAW64927.1
AAY88915.1
Q5G2D4  
 cellobiohydrolase (EG6;CBH IIa) (Cel6A) 3.2.1.91 Chrysosporium lucknowense AAQ38151.1
ACH15009.1
   
 cellobiohydrolase IIb (CBH IIb) (peptide fragments) (Cel6B) 3.2.1.91 Chrysosporium lucknowense      
 cellobiohydrolase (CcCel6A) (Cel6A) 3.2.1.91 Coprinopsis cinerea 5338 BAH08702.1 B7X9Z0  
 cellobiohydrolase (CcCel6B) (Cel6B) 3.2.1.91 Coprinopsis cinerea 5338 BAH08703.1 B7X9Z1  
 cellobiohydrolase (CcCel6C) (Cel6C) 3.2.1.91 Coprinopsis cinerea 5338 BAH08704.1 B7X9Z2 3A64[A]
3A9A[A]
3A9B[A]
3ABX[A]
 cellobiohydrolase (CBHII) (Cel6A) 3.2.1.91 Humicola insolens   Q9C1S9 1BVW[A]
1GZ1[A]
1OC5[A]
1OC6[A]
1OC7[A]
1OCB[A,B]
1OCJ[A]
1OCN[A]
2BVW[A]
 endo-1,4-glucanase B (EG VI) (Cel6B) 3.2.1.4 Humicola insolens   Q7SIG5 1DYS[A]
 cellobiohydrolase II (CBHII;Cbh2;CBH-II) (Cel6A) 3.2.1.91 Hypocrea jecorina QM9414 AAA34210.1
AAA72922.1
AAE59936.1
AAG39980.1
AAR60513.1
CAR96032.1
CAR96033.1
CAV28333.1
P07987.1
Q9HEY8
1CB2[A,B]
1HGW[A,B]
1HGY[A,B]
1LG8
1LLX
1QJW[A,B]
1QK0[A,B]
1QK2[A,B]
3CBH[A]
 cellobiohydrolase II (Cbh2) 3.2.1.91 Hypocrea koningii K AAK01367.1 Q7LSP2  
 cellobiohydrolase II (CbhII;Cbh2) 3.2.1.91 Hypocrea rufa CICC 13038 AAQ76094.1 Q6UJX9  
 cellobiohydrolase II (Cel4;Ex-4;Cex3) 3.2.1.91 Irpex lacteus MC-2 BAG48183.1 B2ZZ24  
 cellobiohydrolase (CbhII-1) 3.2.1.91 Lentinula edodes L54 AAK28357.1 Q9C1R4  
 cellobiohydrolase (MoCel6A;MG05520.4) (Cel6A) 3.2.1.91 Magnaporthe grisea 70-15 XP_360146.1    
 cellobiohydrolase (Cel6A) 3.2.1.91 Malbranchea cinnamomea ACC29930.1
CAH05679.1
   
 cellobiohydrolase A (CelA;Cbh6) (Cel6A) 3.2.1.91 Neocallimastix patriciarum AAC49315.1
AAE59935.1
ABY52793.1
ACI26721.1
B0FEV4
Q12646
 
 1,4-β-D-glucan-cellobiohydrolase (CelD) 3.2.1.91 Orpinomyces sp. PC-2 AAC09066.1 Q874E1  
 endo-β-1,4-glucanase / cellobiohydrolase (CelA) 3.2.1.4
3.2.1.91
Orpinomyces sp. PC-2 AAB92678.1
AAE59921.1
P78720  
 endo-1,4-glucanase/cellobiohydrolase (CelC) 3.2.1.4
3.2.1.91
Orpinomyces sp. PC-2 AAB92679.1
AAE59922.1
P78721  
 cellobiohydrolase II (CelF) 3.2.1.91 Orpinomyces sp. PC-2 AAC09067.1
AAC09228.1
AAE50374.1
Q874D8
Q874E0
 
 cellobiohydrolase II (CbhII;PdCel6A) (Cel6A) 3.2.1.91 Penicillium decumbens JU-A10 ADX86895.1    
 cellobiohydrolase (CbhII) (peptide fragments) 3.2.1.91 Penicillium verruculosum      
 cellobiohydrolase II (CbhII) (Cel6A) 3.2.1.91 Phanerochaete chrysosporium AAB32942.1 Q02321  
 exoglucanase 6A (Cel6A) 3.2.1.91 Piromyces equi AAM94167.1 Q7Z7X6  
 cellobiohydrolase (Cbh6) (Cel6A) 3.2.1.91 Piromyces rhizinflatus 2301 AAD51055.1 Q9UW10  
 exoglucanase 6A (Cel6A) 3.2.1.91 Piromyces sp. E2 AAL92497.1 Q874K3  
 cellobiohydrolase (Cel6A) 3.2.1.91 Stilbella annulata CAH05678.1    
 cellobiohydrolase II (CbhII;Cbh2) 3.2.1.91 Talaromyces emersonii IMI 392299 AAL33604.4
AAL78165.2
Q8NIB5  
 cellobiohydrolase (CBH-II) (Cel6A) 3.2.1.91 Thielavia terrestris ABT06036.1    
 cellobiohydrolase II (CbhII) 3.2.1.91 Trichoderma parceramosum AAU05379.2
AAV31052.1
Q66PN1  
 cellobiohydrolase II (CbhII) (frameshift) 3.2.1.91 Volvariella volvacea V14 AAD41097.1 Q9Y894  

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
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