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;
Statistics	GenBank accession (1); Uniprot accession (10); PDB accession (2); 3D entries (1); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
trehalose-6-P hydrolase (TreA;BlTreA;BLi00797;BL03069)	3.2.1.93	Bacillus licheniformis DSM 13 = ATCC 14580	AAU39732.1 AAU22384.1 CBF79089.1	Q65MI2	5BRP[A,B,C,D] α-D-Glcp-(1-1)-<non_carb> 2.05 5BRQ[A,B,C,D] 2.00	29
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