Carbohydrate-Binding Module Family 4

Activities in FamilyModules of approx. 150 residues found in bacterial enzymes. Binding of these modules has been demonstrated with xylan, β-1,3-glucan, β-1,3-1,4-glucan, β-1,6-glucan and amorphous cellulose but not with crystalline cellulose.
3D Structure Statusβ-sandwich
NotePreviously known as cellulose-binding domain family IV (CBD IV).
External resourcesCAZypedia; HOMSTRAD;
Statistics GenBank accession (957); Uniprot accession (40); PDB accession (19); 3D entries (11); cryst (4)
Bacteria
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 cellobiohydrolase (CbhA;Cthe_0413) (Cbh9A)   Acetivibrio thermocellus ATCC 27405 ABN51651.1 A3DCH2
Q59325
3K4Z[A] β-D-Glcp-(1-4)-β-D-Glcp
<carb_like_XGP>
2.11
 lichenase A / laminarinase (LicA) (Lic16A)   Acetivibrio thermocellus DSM 1237 CAA61884.2 Q59328
cryst    
 lichenase A / laminarinase (LicA) (Lic16A)   Acetivibrio thermocellus DSM 1237 CAA61884.2 Q59328
cryst    
 lichenase A / laminarinase (LicA) (Lic16A)   Acetivibrio thermocellus DSM 1237 CAA61884.2 Q59328
cryst    
 lichenase A / laminarinase (LicA) (Lic16A)   Acetivibrio thermocellus DSM 1237 CAA61884.2 Q59328
cryst    
 cellobiohydrolase K (CelK) (Cel9K)   Acetivibrio thermocellus JW 20 / F7 AAC06139.1 O68438
P0C2S1
3P6B[A,B] 2.00
 endo-β-1,4-glucanase C (CenC) (Cel9B)   Cellulomonas fimi ATCC 484 CAA40993.1
AAA23087.1
AAA23088.1
AEE45671.1
P14090
1GU3[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp
2.3
1ULO[A] NMR
1ULP[A] NMR
 endo-β-1,4-glucanase C (CenC) (Cel9B)   Cellulomonas fimi ATCC 484 CAA40993.1
AAA23088.1
AEE45671.1
P14090
1CX1[A] NMR
 xylanase C (XynC;PbXyn10C) (Xyn10C)   Prevotella bryantii B14 CAB01855.1 D8DVU6
P72234
4MGQ[A] 1.68
 xylanase (Xynl;Xyn1;RmXyn10A;Rmar_1069) (Xyn10A)   Rhodothermus marinus DSM 4252 CAA72323.2
AAR06926.1
AAT06999.1
AAT07000.1
AAT07001.1
AAT07002.1
AAT07003.1
AAT07004.1
AAT07005.1
AAT07006.1
AAT07007.1
AAT07008.1
AAT07009.1
AAT07010.1
AAT07011.1
AAT07012.1
AAT07013.1
AAT07014.1
AAT07015.1
AAT07016.1
AAT07017.1
AAT07018.1
AAT07019.1
AAT07020.1
AAT07021.1
AAT07022.1
AAT07023.1
AAT07024.1
AAT07025.1
AAT07026.1
AAT07027.1
AAT07028.1
AAT07029.1
AAT07030.1
AAT07031.1
ACY47961.1
D0MHK3
Q7WTN6
1K42[A] NMR
1K45[A] NMR
2Y64[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
1.40
2Y6G[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp
1.30
2Y6H[A] 1.08
2Y6J[A] 1.70
2Y6K[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
1.36
2Y6L[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
1.28
3JXS[A,B,C] 1.60
4BJ0[A] α-D-Xylp-(1-6)-β-D-Glcp-(1-4)[α-D-Xylp-(1-6)]-β-D-Glcp-(1-4)[α-D-Xylp-(1-6)]-β-D-Glcp-(1-4)-β-D-Glcp
1.00
5DPN[A] α-D-Xylp-(1-6)-β-D-Glcp-(1-4)[α-D-Xylp-(1-6)]-β-D-Glcp-(1-4)[α-D-Xylp-(1-6)]-β-D-Glcp-(1-4)-β-D-Glcp
1.60
 laminarinase (Lam;TmLam;TM0024) (Lam16)   Thermotoga maritima MSB8 AAD35118.1
AGL48947.1
AHD18205.1
AKE27833.1
NP_227840.1
Q9WXN1
R4NXC3
1GUI[A] β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
1.9
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