Glycoside Hydrolase Family 127

Activities in Familyβ-L-arabinofuranosidase (EC 3.2.1.185); 3-C-carboxy-5-deoxy-L-xylose (aceric acid) hydrolase (EC 3.2.1.-); α-1,3-(3,6)-anhydro-D-galactosidase (EC 3.2.1.-)
Mechanism Retaining a
ClanGH-P
3D Structure Status( α / α ) 6 barrel
Catalytic Nucleophile/Basezinc coordinated cysteine
Catalytic Proton DonorGlu
NoteCreated after Fujita et al. (2011) J. Biol. Chem. (PMID - 21149454) who have shown the b-L-arabinobiosidase activity of the Bifidobacterium longum enzyme.
External resourcesCAZypedia;
Statistics GenBank accession (4620); Uniprot accession (6); PDB accession (14); 3D entries (4); cryst (0)
Bacteria
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 3-C-carboxy-5-deoxy-L-xylose (aceric acid) hydrolase (BT1003;BT_1003) 3.2.1.- Bacteroides thetaiotaomicron VPI-5482 AAO76110.1 Q8A914
5MQO[A] 2.50
 β-L-arabinofuranosidase (BT3674) 3.2.1.185 Bacteroides thetaiotaomicron VPI-5482 AAO78779.1 Q8A1I7
6EX6[A,B] 2.16
 β-1,2-L-arabinofuranosidase (HypBA1;BlGH127;BLLJ_0211) 3.2.1.185 Bifidobacterium longum subsp. longum JCM 1217 BAK79118.1
BAJ65881.1
E8MGH8
3WKW[A] 2.20
3WKX[A] β-L-Araf
2.00
3WRE[A] 2.78
3WRF[A] 2.25
3WRG[A] β-L-Araf
2.23
7BZL[A] 2.30
7DIF[A] 1.75
7EXU[A] β-L-Araf-(1-1)-<non_carb>
2.30
7EXV[A] β-L-Araf1NAc
2.60
7EXW[A] α-L-Araf1NAc
2.20
 β-L-arabinofuranosidase (AraN;Ara127N;HUS_CDS48)   Geobacillus stearothermophilus T-6 NCIMB 40222 ACE73687.1  
4QJY[A,B] 2.29
4QK0[A,B,C,D] 2.26
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