Activities in Family	Levan fructotransferase (DFA-IV-forming) (EC 4.2.2.16);
Mechanism	Retaining a
Clan	GH-J
3D Structure Status	5-fold β-propeller
Catalytic Nucleophile/Base	Asp
Catalytic Proton Donor	Glu
External resources	CAZypedia; PROSITE;
Commercial Enzyme Provider(s)	MEGAZYME;
Statistics	GenBank accession (28143); Uniprot accession (299); PDB accession (85); 3D entries (25); cryst (2)

Activity Id	EC#	Activity Name	Residue -2	Bond -1	Residue -1	Reacting Bond	Residue +1	Bond +1	Residue +2	Reactant
H6	3.2.1.7	inulin endo-b-2,1-fructosidase	bDFruf	2,1	bDFruf	2,1	bDFruf	2,1	bDFruf	H2O
H20	3.2.1.26	sucrose b-2,1-fructosidase			[bDFruf	2,1	aDGlcp]			H2O
H48	3.2.1.64	levan exo-b-2,6-fructobiosidase	[bDFruf	2,6	bDFruf	2,6	bDFruf	2,6	bDFruf	H2O
H49	3.2.1.65	levan endo-b-2,6-fructosidase	bDFruf	2,6	bDFruf	2,6	bDFruf	2,6	bDFruf	H2O
H120	3.2.1.153	inulin exo-b-2,1-fructosidase			[bDFruf	2,1	bDFruf	2,1	bDFruf	H2O
H121	3.2.1.154	levan exo-b-2,6-fructosidase			[bDFruf	2,6	bDFruf	2,6	bDFruf	H2O
H243	3.2.1.-	6-kesose b-2,6-fructose			[bDFruf	2,6	bDFruf	2,1	aDGlcp	H2O
T307	2.4.1.10	levansucrase			[bDFruf	2,6	bDFruf	2,6	bDFruf	a-2,1-DGlcp]
T314	2.4.1.99	sucrose:sucrose fructosyltransferase			[bDFruf	2,1	bDFruf	2,1	DGlcp]	a-2,1-DGlcp]
T315	2.4.1.100	2,1-fructan:2,1-fructan 1-fructosyltransferase	bDFruf	2,1	bDFruf	2,1	bDFruf	2,1	bDFruf	a-2,1-bDFruf
T320	2.4.1.243	6G-fructosyltransferase	aDGlcp	1,2	bDFruf	2,6	aDGlcp	1,2	bDFruf	a-1,2-bDFruf
T331	2.4.1.-	cycloinulo-oligosaccharide fructanotransferase	bDFruf	2,1	bDFruf	2,1	bDFruf	2,1	bDFruf(cyclic)	a-2,1-bDFruf
T336	2.4.1.-	sucrose:sucrose 6-fructosyltransferase (6-SST)			[bDFruf	2,6	bDFruf	2,1	DGlcp]	a-2,1-DGlcp]
T353	2.4.1.-	sucrose 6 acetate b-2,1-fructosyltransferase			[bDFruf	2,1	DGlcp_6Ac]			a-2,1-DGlcp]
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