Glycoside Hydrolase Family 66

Activities in Family	cycloisomaltooligosaccharide glucanotransferase (EC 2.4.1.248); dextranase (EC 3.2.1.11).
Mechanism	Retaining
3D Structure Status	( β / α ) ₈ barrel
Catalytic Nucleophile/Base	Asp
Catalytic Proton Donor	Asp
External resources	CAZypedia;
Statistics	GenBank accession (387); Uniprot accession (21); PDB accession (13); 3D entries (4); cryst (0)

Bacteria

Protein Name

EC#

Organism

GenBank

Uniprot

PDB/3D

Carbohydrate Ligands

Resolution (Å)

cycloisomaltooligosaccharide glucanotransferase (CITase; BcCITase; CITase-T3040)

GBG10455.1
BAA09604.1

3WNK[A]		2.30
3WNL[A]	α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-β-D-Glcp	2.60
3WNM[A]	α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-β-D-Glcp	2.25
3WNN[A,B]	α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-β-D-Glcp	2.25
3WNO[A,B]	α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp	1.90
3WNP[A,B]	α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-β-D-Glcp	2.80

cycloisomaltooligosaccharide glucanotransferase (Cit; CITase; CITase-598K; PsCITase)

BAL21555.1
BAV17025.1

5X7G[A]		2.20
5X7H[A]	α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp	2.60

dextranase (Dex;SmDex)

3VMN[A]		1.60
3VMO[A]	α-D-Glcp-(1-6)-α-D-Glcp α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-β-D-Glcp	1.90
3VMP[A]	α-D-Glcp-(1-1)-<non_carb>	1.88

dextranase (TPDex);Teth39_0264)

5AXG[A,B]		1.85
5AXH[A,B]	α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-α-D-Glcp-(1-6)-β-D-Glcp	2.20