Glycoside Hydrolase Family 66

Mechanism	Retaining a
3D Structure Status	( β / α ) ₈ barrel
Catalytic Nucleophile/Base	Asp
Catalytic Proton Donor	Asp
External resources	CAZypedia;
Statistics	GenBank accession (571); Uniprot accession (24); PDB accession (17); 3D entries (5); cryst (0)

Summary

Download GH66 (555) Taxonomic display Structure (5) Characterized (23) Activities in Family (2)

Bacteria
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D
endo-dextranase (Dex;BtDex;BT3087;BT_3087)	3.2.1.11	pubmed	Bacteroides thetaiotaomicron VPI-5482	AAO78193.1 NP_811999.1	Q8A368
dextranase (FjGH66; Fjoh_4431)	3.2.1.11	pubmed	Flavobacterium johnsoniae UW101	ABQ07435.1 WP_012026401.1	A5FBI2	8IU8[A] 8IU9[A] 8IUA[A] 8IUB[A]
cycloisomaltooligosaccharide glucanotransferase (CITase; BcCITase; CITase-T3040)	2.4.1.248	pubmed	Niallia circulans T-3040	GBG10455.1 BAA09604.1	A0A2R5EWF7 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	P70873
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)	3.2.1.11 2.4.1.248	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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