Glycoside Hydrolase Family 44

Activities in Familyendoglucanase (EC 3.2.1.4); xyloglucanase (EC 3.2.1.151)
Mechanism Retaining
3D Structure Status( β / α ) 8
Catalytic Nucleophile/BaseGlu
Catalytic Proton DonorGlu
Noteformerly known as cellulase family J. Note that the stereochemistry of the reaction has recently been corrected : Kitago et al., J. Biol. Chem. 282(2007)35703-11 (PMID: 17905739)
External resourcesCAZypedia;
Commercial Enzyme Provider(s)NZYTech; PROZOMIX;
Statistics GenBank accession (161); Uniprot accession (39); PDB accession (14); 3D entries (4); cryst (0)
Bacteria
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 endoglucanase (EG;CAC0915) 3.2.1.4
3.2.1.8
Clostridium acetobutylicum ATCC 824 AAK78891.1
NP_347551.1
Q977Y3
3IK2[A] 2.20
 xyloglucanase / β-mannanase (Cel44C-Man26A) 3.2.1.151
3.2.1.4
3.2.1.78
Paenibacillus polymyxa GS01 AAW12876.1
ABC88431.1
ACE10759.1
 
2YIH[A] α-D-Xylp-(1-6)[β-D-Glcp-(1-4)]-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp
1.70
2YJQ[A,B] β-D-Glcp-(1-4)-β-D-Glcp-(1-1)-<non_carb>
<carb_like_OXZ>
2.25
2YKK[A] 1.79
3ZQ9[A] β-D-Glcp-(1-4)-<carb_like_NOY>
<carb_like_NOY>
1.86
 endoglucanase J (CelJ) (Cel9D-Cel44A) 3.2.1.4 Ruminiclostridium thermocellum F1 BAA12070.1 P71140
2D8G[nd]
2E0P[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Manp
1.60
2E4T[A] 0.96
2EEX[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp
2.00
2EJ1[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp
1.80
2EO7[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Manp
1.75
2EQD[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp
2.80
 bifunctional glucanase-xylanase (CelM2) 3.2.1.- uncultured bacterium ABL11223.1 A1E9A6
3FW6[A] 2.30
3II1[A] β-D-Glcp
2.25
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