Mechanism	Inverting e
3D Structure Status	( α / α ) 6 barrel
Catalytic Nucleophile/Base	Asp (experimental)
Catalytic Proton Donor	Glu (experimental)
Note	formerly known as cellulase family E.
External resources	CAZypedia; HOMSTRAD; PROSITE;
Statistics	GenBank accession (8690); Uniprot accession (208); PDB accession (57); 3D entries (22); cryst (0)

Activity Id	EC#	Activity Name	Residue -2	Bond -1	Residue -1	Reacting Bond	Residue +1	Bond +1	Residue +2	Reactant
H4	3.2.1.4	cellulose endo-b-1,4-glucosidase	bDGlcp	1,4	bDGlcp	1,4	bDGlcp	1,4	bDGlcp	H2O
H5	3.2.1.6	MLG endo-b-1,3/4-glucosidase	bDGlcp	1,3/4	bDGlcp	1,3/4	bDGlcp	1,3/4	bDGlcp	H2O
H7	3.2.1.8	xylan endo-b-1,4-xylosidase	bDXylp	1,4	bDXylp	1,4	bDXylp	1,4	bDXylp	H2O
H55	3.2.1.73	MLG endo-b-1,4-glucosidase	bDGlcp	1,3/4	bDGlcp	1,4	bDGlcp	1,3/4	bDGlcp	H2O
H56	3.2.1.74	cellulose exo-b-1,4-glucosidase			[bDGlcp	1,4	bDGlcp	1,4	bDGlcp	H2O
H68	3.2.1.91	cellulose exo-b-1,4-glucobiosidase	[bDGlcp	1,4	bDGlcp	1,4	bDGlcp	1,4	bDGlcp	H2O
H118	3.2.1.151	xyloglucan endo-b-1,4-glucosidase	(aDXylp-1,6)bDGlcp	1,4	bDGlcp	1,4	(aDXylp-1,6)bDGlcp	1,4	(aDXylp-1,6)bDGlcp	H2O
H130	3.2.1.165	chitosan exo-b-1,4-N-glucosaminase			[bDGlcpN	1,4	bDGlcpN	1,4	bDGlcpN	H2O
H226	3.2.1.-	xanthan endo-b-1,4-glucosidase	bDGlcp	1,4	(bDGlcpA_UNS-1,2-aDMan_6OAc-1,3)bDGlcp	1,4	bDGlcp	1,4	(bDGlcpA_UNS-1,2-aDMan_6OAc-1,3)bDGlcp	H2O
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