Glycoside Hydrolase Family 138

Mechanism Retaining a
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseGlu
Catalytic Proton DonorGlu
NoteCreated after Ndeh et al., Nature (2017) 544(7648):65-70 (PMID=28329766); mechanism and structure after Labourel et al., JBC (2019) (PMID=30877196)
External resourcesCAZypedia;
Statistics GenBank accession (312); Uniprot accession (4); PDB accession (3); 3D entries (1); cryst (0)
Activity IdEC#Activity NameResidue -2Bond -1Residue -1 Reacting BondResidue +1Bond +1Residue +2Reactant
H138 3.2.1.173 rhamnogalacturonan I exo-a-1,2-galacturonidase [aDGalpA 1,2 aLRhap 1,4 aDGalpA H2O
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