Glycoside Hydrolase Family 66

Activities in Familycycloisomaltooligosaccharide glucanotransferase (EC 2.4.1.248); dextranase (EC 3.2.1.11).
Mechanism Retaining
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorAsp
External resourcesCAZypedia;
Statistics GenBank accession (387); Uniprot accession (21); PDB accession (13); 3D entries (4); cryst (0)
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 endo-dextranase (Dex;BtDex;BT3087;BT_3087) 3.2.1.11 pubmed
Bacteroides thetaiotaomicron VPI-5482 AAO78193.1
NP_811999.1
Q8A368  
 cycloisomaltooligosaccharide glucanotransferase (CITase; BcCITase; CITase-T3040) 2.4.1.248 pubmed
Niallia circulans T-3040 GBG10455.1
BAA09604.1
P94286 3WNK[A]
3WNL[A]
3WNM[A]
3WNN[A,B]
3WNO[A,B]
3WNP[A,B]
 cycloisomaltooligosaccharide glucanotransferase (CIT; Cit2; CITase-U155) 2.4.1.248 doi
Niallia circulans U-155 BAA13595.1    
 cycloisomaltooligosaccharide glucanotransferase (PDCITase) 2.4.1.248 pubmed
Paenibacillus daejeonensis WP_020619177.1    
 dextranase (PsDEX598) 3.2.1.11 pubmed
Paenibacillus sp. 598K BBB44432.1 A0A2Z5W3D3  
 cycloisomaltooligosaccharide glucanotransferase (Cit; CITase; CITase-598K; PsCITase) 2.4.1.248 pubmed
Paenibacillus sp. 598K BAL21555.1
BAV17025.1
G9MBW2 5X7G[A]
5X7H[A]
 cycloisomaltooligosaccharide-forming dextranase (PsDex) 2.4.1.248
3.2.1.11
pubmed
pubmed
Paenibacillus sp. Dex2000 AEX15594.1 H2EI27  
 dextranase 1 (Dex1) 3.2.1.11 pubmed
Paenibacillus sp. Dex40-8 AAQ91294.1 Q6VUH6  
 dextranase 2 (Dex2) 3.2.1.11 pubmed
Paenibacillus sp. Dex50-2 AAQ91298.1 Q6VUH2  
 dextranase 1 (Dex1) 3.2.1.11 pubmed
Paenibacillus sp. Dex50-2 AAQ91296.1 Q6VUH4  
 dextranase 1 (Dex1) 3.2.1.11 pubmed
Paenibacillus sp. Dex70-1B AAQ91301.1 Q6VUG9  
 dextranase 1 (Dex1) 3.2.1.11 doi
Paenibacillus sp. Dex70-34 AAQ91303.1 Q6VUG7  
 dextranase (Dex;Tlet_1229) 3.2.1.11 pubmed
Pseudothermotoga lettingae TMO ABV33789.1 A8F6K5  
 dextranase (Dex) 3.2.1.11 pubmed
Streptococcus criceti ATCC 19642 BAG16274.1
BAF49027.1
A4F2S5
B1Q2P0
 
 dextranase (Dex) 3.2.1.11 pubmed
Streptococcus criceti E49 BAE93687.1 Q1MVS0  
 dextranase (Dex) 3.2.1.11 pubmed
Streptococcus downei NCTC11391 BAB78732.1 Q8VLP4  
 dextranase (Dex;SmDex) 3.2.1.11 pubmed
Streptococcus mutans ATCC 25175 AEB70967.1 F5BA50
Q54443
3VMN[A]
3VMO[A]
3VMP[A]
 dextranase (Dex) 3.2.1.11 pubmed
Streptococcus ratti ATCC 19645 BAD12421.1 Q76EQ4  
 dextranase (Dex;DexS) 3.2.1.11 pubmed
Streptococcus salivarius M-33 BAA06127.1
ABH84885.1
ACW33394.1
CAD42491.1
CAR96695.1
Q59979  
 dextranase (Dex) 3.2.1.11 pubmed
Streptococcus sobrinus AAA21772.1 P39653  
 dextranase (TPDex);Teth39_0264) 3.2.1.11 pubmed
Thermoanaerobacter pseudethanolicus ATCC 33223 ABY93933.1 B0KBZ7 5AXG[A,B]
5AXH[A,B]
 cycloisomaltooligosaccharide glucanotransferase + isomaltooligosaccharide 6-α-glucosyltransferase (TtCITase) 2.4.1.248 doi
Thermoanaerobacter thermocopriae WP_028992696.1    
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