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 (373); Uniprot accession (70); PDB accession (4); 3D entries (2); cryst (0)
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 α-1,2-L-arabinofuranosidase (Bt0369;BT_0369) 3.2.1.- Bacteroides thetaiotaomicron VPI-5482 AAO75476.1
NP_809282.1
Q8AAU5   29
 α-L-arabinofuranosidase (HypAA;BLLJ_0213) 3.2.1.55 Bifidobacterium longum subsp. longum JCM 1217 BAJ65883.1     29
 α-L-arabinofuranosidase (Xsa43E;bpr_I2319) 3.2.1.37
3.2.1.55
Butyrivibrio proteoclasticus B316 ADL35052.1 E0RYY0 4NOV[A] 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]
3QEE[A,B]
3QEF[A,B]
29
 endo-β-1,4-xylanase (UX66;Orf66) 3.2.1.8 uncultured bacterium URE4 ACM91046.1 C0K016   29
 endo-β-1,4-xylanase (UX66;Orf66) 3.2.1.8 uncultured bacterium URE4 ACM91046.1 C0K016   29
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 α-L-arabinofuranosidase 3 / β-xylosidase (Abf3) 3.2.1.37
3.2.1.55
Talaromyces purpureogenus MYA-38 ACP50519.2
ACP50519.1
C3W4Y2   29
unclassified
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 α-L-arabinofuranosidase 51B-43C (G12-20;GH51-GH43(G12);BN138_182) (Abf51B-Abf43C) 3.2.1.55 termite gut metagenome CCO20994.1     29
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