Glycoside Hydrolase Family 43 / Subf 11

Activities in Familyβ-xylosidase (EC 3.2.1.37); α-L-arabinofuranosidase (EC 3.2.1.55); arabinanase (EC 3.2.1.99); xylanase (EC 3.2.1.8); galactan 1,3-β-galactosidase (EC 3.2.1.145); α-1,2-L-arabinofuranosidase (EC 3.2.1.-); exo-α-1,5-L-arabinofuranosidase (EC 3.2.1.-); [inverting] exo-α-1,5-L-arabinanase (EC 3.2.1.-); β-1,3-xylosidase (EC 3.2.1.-)
Activities in Sub Family
Mechanism Inverting
ClanGH-F
3D Structure Status5-fold β-propeller
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorGlu
NoteMany members have been assigned to subfamilies as described by Mewis et al. (2016) Appl. Environm. Microbiol. in press (PMID: 26729713).
External resourcesCAZypedia;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (1165); Uniprot accession (147); PDB accession (9); 3D entries (5); cryst (0)
Bacteria
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 β-xylosidase (XynB;XylBH43;BH3683) 3.2.1.37 Bacillus halodurans C-125 BAB07402.1
NP_244550.1
Q9K6P5
1YRZ[A,B] 2.00
11
 β-1,4-xylosidase (BsX;XynB;YnaK;BSU17580) 3.2.1.37 Bacillus subtilis subsp. subtilis str. 168 AAB41091.1
AIY93062.1
AQR81741.1
AQR85955.1
CAB13642.1
CAB13642.2
NP_389640.1
P94489
1YIF[A,B,C,D] 1.80
11
 β-xylosidase (XynD;CAC3452)   Clostridium acetobutylicum ATCC 824 AAK81382.1
NP_350042.1
Q97DM1
1Y7B[A,B,C,D] 1.60
1YI7[A,B,C,D] 1.90
11
 β-xylosidase (XynB3;HUS_CDS105) 3.2.1.37 Geobacillus stearothermophilus T-6 NCIMB 40222 AAT98625.1
ABI49959.1
Q09LX0
2EXH[A,B,C,D] 1.88
2EXI[A,B,C,D] 2.15
2EXJ[A,B,C,D] β-D-Xylp-(1-4)-β-D-Xylp
2.20
2EXK[A,B,C,D] β-D-Xylp-(1-4)-β-D-Xylp
2.20
11
 β-xylosidase / α-L-arabinofuranosidase (Xsa;Sxa;SXA) 3.2.1.37
3.2.1.55
Selenomonas ruminantium GA192 AAB97967.1 O52575
3C2U[A,B,C,D] 1.30
11
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