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EC Number
Protein Variants
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Reference
1.1.99.42
E149Q
mutant shows a showed a different pH optimum depending on the cosubstrate. With NAD+, the mutant shows very low activity with an optimum pH at 8.5 in the universal buffer. In contrast, the optimum pH is 5.5 with NADH
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745236
1.1.99.42
H137L
almost complete loss of activity
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745236
1.1.99.42
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deletion or mutation of a deduced transmembrane segment in 4-pyridoxic acid dehydrogenase makes it an inclusion body upon expression in Escherichia coli, and the enzyme protein is not found in the cell membrane
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745237
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