Glycoside Hydrolase Family 31 / Subf 3

Activities in Sub Familyα-xylosidase (EC 3.2.1.177);
α-glucosidase (EC 3.2.1.20);
Mechanism Retaining a
ClanGH-D
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorAsp
NoteSubfamily classification initiated by Arumapperuma et al. 2023 [PMID:36806678]
External resourcesCAZypedia; PROSITE;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (749); Uniprot accession (8); PDB accession (7); 3D entries (3); cryst (0)
Bacteria
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 α-glucosidase (BT0339;BT_0339) 3.2.1.20 Bacteroides thetaiotaomicron VPI-5482 AAO75446.1
NP_809252.1
Q8AAX3
5F7C[A,B,C,D] 2.60
3
 α-xylosidase (YicI;EcYicI;b3656) 3.2.1.177 Escherichia coli str. K-12 substr. MG1655 AAC76680.1
AAA62009.1
AIZ93543.1
ALI38655.1
AMC96544.1
AUG18368.1
AVI53824.1
AYG17401.1
NP_418113.1
P31434
1WE5[A,B,C,D,E,F] 2.40
1XSI[A,B,C,D,E,F] 2.20
1XSJ[A,B,C,D,E,F] 2.10
1XSK[A,B,C,D,E,F] β-D-Xylp5F-(1-4)-ASP
2.20
2F2H[A,B,C,D,E,F] α-D-Xylp-(1-6)-β-D-Glcp6SH-(1-1)-<non_carb>
1.95
3
 AM334_05995   Klebsiella aerogenes AR_0007 ATY00397.1  
8T7Z[A,B,C,D,E,F] 2.70
3
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