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EC Number
Protein Variants
Commentary
Reference
3.2.1.B34
N211D
mutation changes the polarity close to the putative acid/base catalyst E209, leads to decrease in activity
-
,
736647
3.2.1.B34
V212D
mutation changes the polarity close to the putative acid/base catalyst E209, shifts the pH-activity profile towards acidic pH with both lactose and cellobiose as substrates and leads to decrease in activity
-
,
736647
3.2.1.B34
V212T
mutation changes the polarity close to the putative acid/base catalyst E209, shifts the pH-activity profile towards acidic pH with both lactose and cellobiose as substrates. Although V212T increases 6fold the Kmvalue with cellobiose, the mutant shows higher specific activity in high substrate concentrations due to greatly reduced produc-tion of trisaccharide by V212T from cellobiose by transglycosylation
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736647
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