Activities in Sub Family	α-glucosyltransferase (EC 2.4.1.-); [retaining] oligo-α-1,6-glucosidase (EC 3.2.1.10); α-glucosidase (EC 3.2.1.20); α,α-trehalase (EC 3.2.1.28);
Mechanism	Retaining a
Clan	GH-H
3D Structure Status	( β / α ) 8 barrel
Catalytic Nucleophile/Base	Asp (experimental)
Catalytic Proton Donor	Glu (experimental)
Note	New: many members have been assigned to subfamilies as described by Stam et al. (2006) Protein Eng Des Sel. 19, 555-562 (PMID: 17085431)
External resources	CAZypedia; EBI Protein of the Month; HOMSTRAD; PDB Molecule of the Month; PRINTS;
Commercial Enzyme Provider(s)	MEGAZYME; PROZOMIX;
Statistics	GenBank accession (3); Uniprot accession (8); PDB accession (6); 3D entries (3); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
α-glucosidase (AglA; HaG)	3.2.1.20	Halomonas sp. H11	BAL49684.1	H3K096	3WY1[A,B] 2.15 3WY2[A,B] β-D-Glcp-(1-4)-ASP 1.47 3WY3[A,B] β-D-Glcp 3.00 3WY4[A,B] α-D-Glcp-(1-4)-α-D-Glcp 2.50	23
α-glucosidase (QsGH13)	3.2.1.20	Qipengyuania seohaensis SW-135	WP_232725784.1		7VOH[A,B] 2.20	23
α-transglucosidase (XgtA)	2.4.1.- 3.2.1.20	Xanthomonas campestris WU-9701	BAC87873.1 CBF79179.1	Q76LB0	6AAV[A,B] 1.72	23
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