Known Activities	Modules of approx. 150 residues found in bacterial enzymes. The cellulose-binding function has been demonstrated in many cases. In one instance binding to chitin has been reported.
3D Structure Status	β-sandwich
Note	Previously known as cellulose-binding domain family III (CBD III).
External resources	HOMSTRAD; InterPro; PFAM; PROSITE;
Commercial Enzyme Provider(s)	NZYTech; PROZOMIX;
Statistics	GenBank accession (444); Uniprot accession (273); PDB accession (19); 3D entries (10); cryst (1)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D
scaffoldin (CipV)		Acetivibrio cellulolyticus	AAF06064.1	Q9RPL0	3ZQW[A] 3ZU8[A] 3ZUC[A]
endo-β-1,4-glucanase (EglS;BglC;Gld;BSU18130;BsCel5;BsCel5A) (Cel5A)		Bacillus subtilis subsp. subtilis str. 168	AEJ76923.1 CAA82317.1 CAA97610.1 CAB13696.2 NP_389695.1	P10475.1	2L8A[A]
scaffoldin (ScaA;Cipbc)		Bacteroides cellulosolvens ATCC 35603	AAG01230.2	Q9FDJ9	2XBT[A]
endo-β-1,4-glucanase G (CelG;Ccel_0731) (Cel9G)		Clostridium cellulolyticum H10 ATCC 35319	AAA73868.1 ACL75110.1	P37700	1G87[A,B] 1GA2[A,B] 1K72[A,B] 1KFG[A,B]
scaffoldin (CipC;Ccel_0728)		Clostridium cellulolyticum H10 ATCC 35319	AAC28899.2 ACL75107.1	B8I7V0 Q45996	1G43[A]
scaffoldin (CipA;Cthe_3077)		Clostridium thermocellum ATCC 27405	ABN54273.1	Q06851	1NBC[A,B]
endo-β-1,4-glucanase I (CelI;Cthe_0040) (Cel9I)		Clostridium thermocellum ATCC 27405	ABN51281.1	Q02934	2XFG[B]
Cthe_2760 (CelV) (Cel9V)		Clostridium thermocellum ATCC 27405	ABN53959.1	A3DJ30	2WNX[A] 2WO4[A] 2WOB[A,C,E]
cellobiohydrolase A (CbhA) (Cbh9A)		Clostridium thermocellum F7	CAA56918.1	Q59325	cryst
endo/exo-β-1,4-glucanase 9A (E4;CelD;Tfu_2176) (processive) (Cel9A)		Thermobifida fusca YX	AAB42155.1 AAZ56209.1	P26221.2 Q47MW0	1JS4[A,B] 1TF4[A,B] 3TF4[A,B] 4TF4[A,B]

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