Glycoside Hydrolase Family 149

Activities in Familyβ-1,3-glucan phosphorylase (EC 2.4.1.97)
Mechanism inverting
ClanGH-Q
3D Structure Status( α / α ) 6
Catalytic Nucleophile/Basephosphate
Catalytic Proton DonorAsp (inferred)
NoteFamily created after Kuhaudomlarp et al. J. Biol. Chem. (2018) [PMID=29317507] who have shown that the Euglena gracilis enzyme is a b-1,3-glucan phosphorylase. Distant sequence similarities suggest this family forms clan GH-Q with family GH94.
External resourcesCAZypedia;
Statistics GenBank accession (167); Uniprot accession (1); PDB accession (3); 3D entries (1); cryst (0)
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 β-1,3-oligoglucan phosphorylase (GH149_H) 2.4.1.97 pubmed
uncultured bacterium QCO92814.1
QCO92792.1
QCO92866.1
QCO92903.1
QCO92933.1
   
Eukaryota
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 β-1,3-glucan phosphorylase (EgP1) 2.4.1.97 pubmed
Euglena gracilis var. saccharophila AUO30192.1 A0A2I6SUQ9  
unclassified
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 β-1,3-oligoglucan phosphorylase (Pro_7066) 2.4.1.30 pubmed
metagenome     6HQ6[B]
6HQ8[A,B]
6HQ6[A]
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