Mechanism	Retaining e
3D Structure Status	( β / α ) 8 barrel
Catalytic Nucleophile/Base	carbonyl oxygen of C-2 acetamido group of substrate
Catalytic Proton Donor	Glu
Note	Created after Sumida T, Fujimoto K, Ito M. (2011) J Biol Chem. 286:14065-14072 [PMID: 21297160]
External resources	CAZypedia;
Statistics	GenBank accession (1928); Uniprot accession (11); PDB accession (19); 3D entries (8); cryst (0)

Activity Id	EC#	Activity Name	Residue -2	Bond -1	Residue -1	Reacting Bond	Residue +1	Bond +1	Residue +2	Reactant
H39	3.2.1.53	b-N-acetylgalactosaminidase			[bDGalpNAc	1,X	alcohol			H2O
H200	3.2.1.-	glycosphingolipid exo-b-1,4-N-acetylgalactosaminidase			[bDGalpNAc	1,4	bDGalp	1,4	bDGlcp	H2O
H399	3.2.1.-	exo-b-1,3-N-acetylgalactosaminidase			[bDGalpNAc	1,3	aDGalp	1,4	bDGalp	H2O
H400	3.2.1.-	exo-b-1,4-N-acetylgalactosaminidase			[bDGalpNAc	1,4	bDGalp	1,4	bDGlcp	H2O
H401	3.2.1.-	b-N-acetyl-4-sulfo-galactosaminidase			[bDGalpNAc_4S	1,X	alcohol			H2O
H402	3.2.1.-	endo-b-1,4-N-acetylgalactosaminidase	bDGalp	1,3	bDGalpNAc	1,4	bDGalp	1,4	bDGlcp	H2O
H403	3.2.1.-	endo-b-1,3-N-acetylgalactosaminidase	bDGalp	1,3	bDGalpNAc	1,3	aDGalp	1,4	bDGalp	H2O
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