Activities in Family	α,α-trehalase (EC 3.2.1.28);
Mechanism	Inverting a
Clan	GH-G
3D Structure Status	( α / α ) 6 barrel
Catalytic Nucleophile/Base	Glu (inferred)
Catalytic Proton Donor	Asp (inferred)
External resources	CAZypedia; PRINTS; PROSITE;
Commercial Enzyme Provider(s)	MEGAZYME;
Statistics	GenBank accession (12089); Uniprot accession (46); PDB accession (13); 3D entries (4); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)
CSB67_2639		Enterobacter cloacae AR_038	AWZ99943.1		5Z66[A] <carb_like_VDM> 1.80 5Z6H[A,B] 2.30
α,α-trehalase (periplasmic) (TreA;OsmA) (Tre37A)	3.2.1.28	Escherichia coli str. K-12 substr. MG1655	AAC74281.1 AIZ91689.1 ALI41026.1 AMC98407.1 AUG15975.1 AVI55714.1 AYG19717.1 CAA33878.1 NP_415715.1	P13482	2JF4[A] <carb_like_VDM> 2.20 2JG0[A] α-D-Glcp1N-(1-1)-<non_carb> 1.50 2JJB[A,B,C,D] α-D-Glcp-(1-1)-<non_carb> <carb_like_3CU> 1.90 2WYN[A,B,C,D] α-D-Glcp-(1-1)-<non_carb> <carb_like_LG9> 2.10
Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)
trehalase (AtTre1;At4g24040/T19F6.30) (plasma membrane-bound)	3.2.1.28	Arabidopsis thaliana	CAB51647.1 AAB63620.1 AAF22127.1 AAR23702.1 AEE84844.1 BAC43016.1 CAB69265.1 CAB81322.1 NP_194135.1	O22986 Q9SEH9 Q9SU50	7E9U[A,B] 2.10 7E9X[A,B,C,D] 1.88 7EAW[A,B] α-D-Glcp-(1-1)-α-D-Glcp 1.80
neutral trehalase 1 (Nth1;Nth;YDR001c;YD8119.07c)	3.2.1.28	Saccharomyces cerevisiae S288c	AAV19867.1 AAA66896.1 AAN20051.1 CAA46718.1 CAA88061.1 NP_010284.1	P32356 Q05216	5JTA[A] 2.72 5M4A[A] α-D-Glcp-(1-1)-α-D-Glcp 2.90 5N6N[C] α-D-Glcp-(1-2)-β-D-Fruf 2.29 5NIS[A] 3.16
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