Glycoside Hydrolase Family 81

Activities in Familyendo-β-1,3-glucanase (EC 3.2.1.39)
Mechanism Inverting
3D Structure Status( α / α ) 6 barrel
Catalytic Nucleophile/BaseGlu
Catalytic Proton DonorAsp
External resourcesCAZypedia;
Commercial Enzyme Provider(s)NZYTech; PROZOMIX;
Statistics GenBank accession (1249); Uniprot accession (18); PDB accession (14); 3D entries (3); cryst (0)
Bacteria
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 β-1,3-glucanase (Cthe_0660) 3.2.1.39 Acetivibrio thermocellus ATCC 27405 ABN51895.1 A3DD66
6FOP[A] 1.40
 β-1,3-glucanase / laminarinase (BhGH81;BH0236) 3.2.1.39 Alkalihalobacillus halodurans C-125 BAB03955.1
NP_241102.1
Q9KG76
5T49[A] 2.50
5T4A[A] β-D-Glcp-(1-3)-α-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-α-D-Glcp
2.10
5T4C[A] β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
1.80
5T4G[A] β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-α-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
1.80
5UPI[A] β-D-Glcp-(1-3)-β-D-Glcp
1.65
5UPM[A] β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-α-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
1.70
5UPN[A] β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-α-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
1.80
5UPO[A] β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
1.70
5V1W[A] β-D-Glcp-(1-3)-β-D-Glcp
2.15
Eukaryota
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 endo-β-1,3-glucanase (RmLam81A) (partial) (Lam81A) 3.2.1.39 Rhizomucor miehei CAU432 550545166 A0A023I7E1
U5HK45
4K35[A,B] 2.00
4K3A[A,B] 2.30
5XBZ[A,B] β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
2.70
5XC2[A,B,C] D-1,3-deoxy-Glcp
β-D-Glcp-(1-3)-D-1-deoxy-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
2.70
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