Known Activities	endoglucanase (EC 3.2.1.4); cellobiohydrolase (EC 3.2.1.91); β-glucosidase (EC 3.2.1.21); exo-β-glucosaminidase (EC 3.2.1.165)
Mechanism	Inverting
3D Structure Status	( α / α ) 6
Catalytic Nucleophile/Base	Asp (experimental)
Catalytic Proton Donor	Glu (experimental)
Note	formerly known as cellulase family E.
External resources	CAZypedia; HOMSTRAD; InterPro; PFAM; PROSITE;
Statistics	GenBank accession (1429); Uniprot accession (669); PDB accession (26); 3D entries (11); cryst (1)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D
cellulase (CelA;Aaci_2475) (Cel9A)	3.2.1.4	Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446	ACV59481.1 CAC34051.1	C8WSJ6 Q9AJS0	3EZ8[A] 3GZK[A] 3H2W[A] 3H3K[A] 3RX5[A] 3RX7[A] 3RX8[A]
endo-β-1,4-glucanase G (CelG;Ccel_0731) (Cel9G)	3.2.1.4	Clostridium cellulolyticum H10 ATCC 35319	AAA73868.1 ACL75110.1	P37700	1G87[A,B] 1GA2[A,B] 1K72[A,B] 1KFG[A,B]
cellulase M (CelM;Ccel_0737) (Cel9M)	3.2.1.4	Clostridium cellulolyticum H10 ATCC 35319	AAG45160.1 ACL75116.1	B8I7V9 Q9EYQ2	1IA6[A] 1IA7[A]
endo-β-1,4-glucanase I (CelI;Cthe_0040) (Cel9I)	3.2.1.4	Clostridium thermocellum ATCC 27405	ABN51281.1	Q02934	2XFG[A]
cellulase K (CelK;Cthe_0412) (Cel9K)	3.2.1.4	Clostridium thermocellum ATCC 27405	ABN51650.1	A3DCH1	3P6B
cellobiohydrolase (CbhA;Cthe_0413) (Cbh9A)	3.2.1.91	Clostridium thermocellum ATCC 27405	AAR87745.1 ABN51651.1	A3DCH2 Q6RSN8	1RQ5[A] 1UT9[A]
cellobiohydrolase A (CbhA) (Cbh9A)	3.2.1.91	Clostridium thermocellum F7	CAA06693.1 CAA56918.1	Q59325	cryst
endo-β-1,4-glucanase D (CelD) (Cel9A)	3.2.1.4	Clostridium thermocellum NCIB 10682	CAA28255.1	P04954	1CLC[A]
endo/exo-β-1,4-glucanase 9A (E4;CelD;Tfu_2176) (processive) (Cel9A)	3.2.1.4	Thermobifida fusca YX	AAA27397.1 AAB42155.1 AAZ56209.1	P26221.2 Q47MW0	1JS4[A,B] 1TF4[A,B] 3TF4[A,B] 4TF4[A,B]
VP2484		Vibrio parahaemolyticus RIMD 2210633	BAC60747.1 NP_798863.1		3H7L[A,B,C]
Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D
endo-β-1,4-glucanase (NtEG)	3.2.1.4	Nasutitermes takasagoensis	BAA33708.1 BAA76619.1	O77044	1KS8[A] 1KSC[A] 1KSD[A]

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