Glycoside Hydrolase Family 31 / Subf 19

Activities in Sub FamilyExo-α-1,4-galactosidase (EC 3.2.1.-);
α-galactosidase (EC 3.2.1.22);
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 (281); Uniprot accession (1); PDB accession (4); 3D entries (2); cryst (0)
Bacteria
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 exo-α-1,4-galactosidase (BsGH31_19;K6V19_13215) 3.2.1.- Bacteroides salyersiae BFG-288 UBD15097.1  
8J53[A,B,C,D,E] 3.50
19
 exo-α-1,4-galactosidase (FpGH31_19) 3.2.1.- Flavihumibacter petaseus WP_072053931.1  
8J50[A,B] 1.90
8J51[A,B] α-D-Galp
2.15
8J52[A,B] D-1-deoxy-Galp
β-D-Galp
1.90
19
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