Glycoside Hydrolase Family 43 / Subf 29

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 (395); Uniprot accession (70); PDB accession (4); 3D entries (2); cryst (0)
Bacteria
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 α-L-arabinofuranosidase (Xsa43E;bpr_I2319) 3.2.1.37
3.2.1.55
Butyrivibrio proteoclasticus B316 ADL35052.1 E0RYY0
4NOV[A] 1.33
29
 α-1,2-L-arabinofuranosidase 43A (CJA_3018) (arabinan-specific) (Abf43A=Gly43N) 3.2.1.- Cellvibrio japonicus Ueda107 ACE83886.1 B3PD60
3QED[A,B,C,D] 2.99
3QEE[A,B] 1.64
3QEF[A,B] α-L-Araf-(1-5)-α-L-Araf-(1-5)-α-L-Araf
α-L-Araf-(1-5)[α-L-Araf-(1-3)]-α-L-Araf-(1-5)-α-L-Araf
1.79
29
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