Is the acid/base catalytic residue mutation in β-d-mannosidase DtMan from Dictyoglomus thermophilum sufficient enough to provide thioglycoligase activity?

Is the acid/base catalytic residue mutation in β-d-mannosidase DtMan from Dictyoglomus thermophilum sufficient enough to provide thioglycoligase activity?

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochimie - Volume 137, June 2017, Pages 190-196

Laure Guillotin, Nicolas Richet, Pierre Lafite, Richard Daniellou,