Glycoside Hydrolase Family 43 / Subf 34

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 (332); Uniprot accession (53); PDB accession (2); 3D entries (2); cryst (0)
Bacteria
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 α-L-arabinofuranosidase (BT3675;BT_3675) 3.2.1.55 Bacteroides thetaiotaomicron VPI-5482 AAO78780.1
NP_812586.1
Q8A1I6
3QZ4[A,B] 1.74
34
 (grape RGII active) α-L-arabinofuranosidase (BT3662;BT_3662) 3.2.1.55 Bacteroides thetaiotaomicron VPI-5482 AAO78767.1
NP_812573.1
Q8A1J9
5MSX[A,B,C] 2.10
34
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