Mechanism	Retaining a
Clan	GH-D
3D Structure Status	( β / α ) 8 barrel
Catalytic Nucleophile/Base	Asp (experimental)
Catalytic Proton Donor	Asp (experimental)
Note	Mechanistic commonality with family GH27 demonstrated by Comfort et al. (2007) Biochemistry, 46: 3319-3330 (PMID: 17323919)
External resources	CAZypedia; PRINTS;
Commercial Enzyme Provider(s)	MEGAZYME;
Statistics	GenBank accession (16629); Uniprot accession (110); PDB accession (45); 3D entries (12); cryst (0)

Activity Id	EC#	Activity Name	Residue -2	Bond -1	Residue -1	Reacting Bond	Residue +1	Bond +1	Residue +2	Reactant
H16	3.2.1.22	a-galactosidase			[aDGalp	1,X	alcohol			H2O
H35	3.2.1.49	antigen a-1,3-N-acetylgalactosaminidase			[aDGalpNAc	1,3	DGalp			H2O
H66	3.2.1.88	b-L-arabinopyranosidase			[bLArap	1,X	alcohol			H2O
H169	3.2.1.-	antigen a-1,3-galactosidase			[aDGalp	1,3	(aLFucp-1,2)DbGalp			H2O
H222	3.2.1.-	antigen exo-a-1,3-galactosamine			[aDGalpN	1,3	(aLFucp-1,2)DbGalp			H2O
H251	3.2.1.-	raffinose exo-a-1,6-galactosidase			[aDGalp	1,6	aDGlcp	1,2	bDFruf]	H2O
T312	2.4.1.67	galactinol-raffinose galactosyltransferase			[aDGalp	1,6	aDGalp	1,6	aDGlcp-1,2-bDFruf]	a-myo-inositol
T313	2.4.1.82	galactinol-sucrose galactosyltransferase			[aDGalp	1,6	aDGlcp	1,2	bDFruf]	a-myo-inositol
H404	3.2.1.-	melibiose a-1,6-galactosidase			[aDGalp	1,6	DGlcp]			H2O
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