Carbohydrate-Binding Module Family 6

Activities in FamilyModules of approx. 120 residues. The cellulose-binding function has been demonstrated in one case on amorphous cellulose and β-1,4-xylan. Some of these modules also bind β-1,3-glucan, β-1,3-1,4-glucan, and β-1,4-glucan.
3D Structure Statusβ-sandwich
NotePreviously known as cellulose-binding domain family VI (CBD VI).
External resourcesCAZypedia; PROSITE;
Commercial Enzyme Provider(s)NZYTech; PROZOMIX;
Statistics GenBank accession (1883); Uniprot accession (401); PDB accession (35); 3D entries (10); cryst (0)
All (2067) Archaea (74) Bacteria (1963) Eukaryota (14) unclassified (16) Structure (10) Characterized (101)
Bacteria
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 β-1,3-glucanase / laminarinase (BH0236) 3.2.1.39 Bacillus halodurans C-125 BAB03955.1
NP_241102.1
Q9KG76
1W9S[A,B] 1.59
1W9T[A,B] β-D-Xylp-(1-4)-β-D-Xylp
β-L-Arap
1.62
1W9W[A] β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-α-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
2.1
 arabinoxylan α-L-1,3-arabinofuranohydrolase (XynD;BsAXH-m23;BSU18160) 3.2.1.55 Bacillus subtilis subsp. subtilis str. 168 CAB13699.1
AIY93126.1
AQR81807.1
AQR86021.1
CAA97613.1
NP_389698.1
Q45071
3C7E[A] 2.00
3C7F[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
1.55
3C7G[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
2.02
3C7H[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
2.00
3C7O[A] β-D-Glcp-(1-4)-β-D-Galp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp
1.80
 endo-β-1,4-glucanase B (CelB) (Cel5A;Cel5B) 3.2.1.4 Cellvibrio mixtus ATCC 12120 AAB61462.2 O07653
1UXZ[A,B] 1.4
1UY0[A,B] β-D-Glcp-(1-3)-β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-4)-β-D-Glcp
1.65
1UYX[A,B] β-D-Glcp-(1-1)-<non_carb>
β-D-Glcp-(1-4)-α-D-Glcp
β-D-Glcp-(1-4)-β-D-Glcp
1.47
1UYY[A,B] β-D-Glcp-(1-4)-β-D-Glcp
β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp
1.47
1UYZ[A,B] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
1.6
1UZ0[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp-(1-4)-β-D-Glcp
2.0
 β-galactosidase (Gal59A;Ccel_1238) (Gal59A) 3.2.1.23 [Clostridium] cellulolyticum H10 ABG76970.1
ACL75594.1
Q0PRN1
2V4V[A] β-D-Xylp
1.50
 xylanase A (XynA) (Xyn11A) 3.2.1.8 Clostridium stercorarium NCIMB 11754 CAD48307.1
AAL14106.1
Q8GJ44
Q93AQ5
1UY1[A] 1.8
1UY2[A] β-D-Xylp-(1-4)-β-D-Xylp
1.7
1UY3[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
1.89
1UY4[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
1.69
 xylanase A (XynA) (Xyn11A) 3.2.1.8 Clostridium stercorarium NCIMB 11754 CAD48307.1
AAL14106.1
Q8GJ44
Q93AQ5
1NAE[A] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
2.05
1O8P[A] 2.0
1O8S[A] β-D-Glcp-(1-4)-β-D-Glcp
1.15
1OD3[A] β-D-Glcp-(1-3)-β-D-Glcp
1.0
 xylanase (M6;CtM6;CtXyl5A;Cthe_2193) (arabinoxylan-specific) (Xyl5A) 3.2.1.- Ruminiclostridium thermocellum ATCC 27405 ABN53395.1 A3DHG6
2Y8K[A] 1.47
5AK1[A] 2.64
5G56[A] 2.64
5LA0[A] α-L-Arap
1.65
5LA1[A] β-D-Xylp
1.90
5LA2[A,B] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)[α-L-Araf-(1-3)]-α-D-Xylp
β-L-Arap
1.65
 xylanase A or U / acetylxylan esterase (XynA;XynU;CtCE4;LX4) (Xyn11A) 3.1.1.72
3.2.1.8
Ruminiclostridium thermocellum F1 / YS AAC04579.1
BAA33543.1
O52780
O87119
1GMM[A] 2.0
1UXX[X] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp
1.6
 endo-β-agarase I / B (AgaB;Sde_1175) (Aga16B) 3.2.1.81 Saccharophagus degradans 2-40 ABD80437.1
AAT67062.1
Q21LJ2
2CDO[A,B,C,D] unknown-(1-3)-β-D-Gulp
α-L-3,6-anhydro-Galp-(1-3)-β-D-Galp-(1-4)-α-L-3,6-anhydro-Galp-(1-3)-β-D-Galp-(1-4)-α-L-3,6-anhydro-Galp-(1-3)-β-D-Galp
1.64
2CDP[A,B,C,D] unknown-(1-3)-β-D-Gulp
α-L-3,6-anhydro-Galp-(1-3)-β-D-Galp-(1-4)-α-L-3,6-anhydro-Galp-(1-3)-β-D-Galp-(1-4)-α-L-3,6-anhydro-Galp-(1-3)-β-D-Galp
1.59
 laminarinase (LamC;ZgLamC;ZgLamCGH16;zobellia_1010) 3.2.1.39 Zobellia galactanivorans DsiJT CAZ95067.1  
4CRR[A] 1.40
5FUI[A] 1.40
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