Glycoside Hydrolase Family 43 / Subf 34

Activities in Familyβ-xylosidase (EC; α-L-arabinofuranosidase (EC; arabinanase (EC; xylanase (EC; galactan 1,3-β-galactosidase (EC; 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
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. 82:1686-1692 (PMID: 26729713).
External resourcesCAZypedia;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (387); Uniprot accession (53); PDB accession (2); 3D entries (2); cryst (0)
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 α-L-arabinofuranosidase (BT3675;BT_3675) Bacteroides thetaiotaomicron VPI-5482 AAO78780.1
Q8A1I6 3QZ4[A,B] 34
 (grape RGII active) α-L-arabinofuranosidase (BT3662;BT_3662) Bacteroides thetaiotaomicron VPI-5482 AAO78767.1
Q8A1J9 5MSX[A,B,C] 34

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