Glycoside Hydrolase Family 189

Mechanism Retaining e
3D Structure Status( α / α ) 6 barrel
NoteCreated after Tanaka et al. [PMID=38300345] who demonstrated the b-glucosyltransferase activity on b-1,2-glucooligosaccharides of the multimodular protein Thit_1831 in Thermoanaerobacter italicus Ab9, that comprises an N-terminal GT84 and a C-terminal GH94. Family with remote homology to GH144/clan-S, always found in such multimodular architectures.
External resourcesCAZypedia;
Statistics GenBank accession (3263); Uniprot accession (5); PDB accession (5); 3D entries (2); cryst (0)
Activity IdEC#Activity NameResidue -2Bond -1Residue -1 Reacting BondResidue +1Bond +1Residue +2Reactant
T343 2.4.1.391 b-1,2-glucan synthetase (elongation) bDGlcp 1,2 bDGlcp 1,2 bDGlcp e-1,2-bDGlcp
T398 2.4.1.397 b-1,2-glucan synthetase (cyclisation) bDGlcp 1,2 bDGlcp 1,2 bDGlcp 1,2 bDGlcp(cyclic) e-1,2-bDGlcp]
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