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 (1229); Uniprot accession (147); PDB accession (9); 3D entries (5); cryst (0)
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 β-xylosidase (AmX;Amet_3317) 3.2.1.37 Alkaliphilus metalliredigens QYMF ABR49445.1 A6TTC7   11
 β-xylosidase (XynB;XylBH43;BH3683) 3.2.1.37 Bacillus halodurans C-125 BAB07402.1
NP_244550.1
Q9K6P5 1YRZ[A,B] 11
 β-xylosidase (BpX;XynB;E-BXSEBP) 3.2.1.37 Bacillus pumilus IPO CAA29235.1 P07129   11
 β-xylosidase (XynB) 3.2.1.37 Bacillus pumilus PLS AAC97375.1 Q9Z477   11
 β-xylosidase (XylB) 3.2.1.37 Bacillus sp. KK-1 AAC27699.1 O52729   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] 11
 β-xylosidase C (XylC;XynB;BAD_0428) 3.2.1.37 Bifidobacterium adolescentis ATCC 15703 BAF39209.1 A1A0H6   11
 β-xylosidase (BIF_00092) 3.2.1.37 Bifidobacterium animalis subsp. lactis BB-12 ADC85541.1 D3R467   11
 bifunctional β-xylosidase I / α-L-arabinofuranosidase (XynB1;CCNA_01040) 3.2.1.37
3.2.1.55
Caulobacter crescentus NA1000 ACL94505.1 B8H2V1   11
 β-xylosidase (Xyl43) 3.2.1.37 Enterobacter sp. enrichment culture clone nf1B6 AFZ78871.1     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]
2EXI[A,B,C,D]
2EXJ[A,B,C,D]
2EXK[A,B,C,D]
11
 β-xylosidase (XynB1) 3.2.1.37 Lactobacillus brevis ATCC 14869 = DSM 20054 AGT14429.1     11
 β-xylosidase 2 (XynB2) 3.2.1.37 Lactobacillus brevis ATCC 14869 = DSM 20054 AGT14431.1     11
 β-xylosidase (LbX;XynB2;LVIS_2285) 3.2.1.37 Lactobacillus brevis ATCC 367 ABJ65333.1 Q03N89   11
 β-xylosidase/α-L-arabinofuranosidase (XynA) 3.2.1.37
3.2.1.55
Niveispirillum irakense KBC1 AAF66622.1 Q9LAE3   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] 11
 β-xylosidase (TfBXyl43) (Xyl43A) 3.2.1.37 Thermobifida fusca TM51 AEF28829.1     11
 β-xylosidase (Tfu_1616) (Xyl43A) 3.2.1.37 Thermobifida fusca YX AAZ55651.1 Q47PG8   11
 CW-Xyn1 3.2.1.- uncultured bacterium AFS18548.1     11
 β-1,3-xylosidase (XloA) 3.2.1.- Vibrio sp. XY-214 BAF98235.1 A9ZND1   11
 β-xylosidase (Xyn43;WXyn43) 3.2.1.37 Weissella sp. 92 ALB06585.1     11
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 β-xylosidase / α-L-arabinofuranosidase (Xyl43B) 3.2.1.37
3.2.1.55
Humicola insolens Y1 AHC72383.1     11
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