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; PDB Molecule of the Month;
Commercial Enzyme Provider(s)	MEGAZYME; PROZOMIX;
Statistics	GenBank accession (2581); Uniprot accession (22); PDB accession (7); 3D entries (2); cryst (0)

Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
maltase (BaAG2)	3.2.1.20	Blastobotrys adeninivorans CBS 8244	UCK59535.1		7P01[A,B] <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp 2.12 7P07[A,B] α-D-Glcp 2.13	40
oligo-α-1,6-glucosidase / isomaltase (Ima1;IMA1;Fsp2;YGR287c)	3.2.1.10	Saccharomyces cerevisiae S288c	BAA07818.1 ADK27710.1 CAA97319.1 CAA97321.1 CBF79247.1 NP_011803.1	E1AFY6 P53051	3A47[A] 1.59 3A4A[A] α-D-Glcp 1.60 3AJ7[A] 1.30 3AXH[A] α-D-Glcp-(1-6)-α-D-Glcp 1.80 3AXI[A] α-D-Glcp 1.40	40
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