Mechanism	Inverting e
Clan	GH-M
3D Structure Status	( α / α ) 6 barrel
Catalytic Nucleophile/Base	Asp (inferred)
Catalytic Proton Donor	Glu (experimental)
Note	formerly known as cellulase family D
External resources	CAZypedia; PRINTS; PROSITE;
Commercial Enzyme Provider(s)	NZYTech; PROZOMIX;
Statistics	GenBank accession (11640); Uniprot accession (92); PDB accession (50); 3D entries (18); cryst (1)

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
H23	3.2.1.32	xylan endo-b-1,3-xylosidase	bDXylp	1,3	bDXylp	1,3	bDXylp	1,3	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
H106	3.2.1.132	chitosan endo-b-1,4-N-glucosaminase	bDGlcpN	1,4	bDGlcpN	1,4	bDGlcpN	1,4	bDGlcpN	H2O
H122	3.2.1.156	reducing end xylan exo-b-1,4-xylosidase	bDXylp	1,4	bDXylp	1,4	bDXylp]			H2O
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