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1.3.1.13: prephenate dehydrogenase (NADP+)

This is an abbreviated version!
For detailed information about prephenate dehydrogenase (NADP+), go to the full flat file.

Reaction

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prephenate
+
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NADP+
=
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4-hydroxyphenylpyruvate
+
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CO2
+
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NADPH
+
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H+

Synonyms

11415867, CM-PD, MtPDH1, PD-CM-PDT, PDH1, PRDH, prephenate (nicotinamide adenine dinucleotide phosphate) dehydrogenase, prephenate dehydrogenase, prephenate-pretyrosine dehydrogenase, tyrA, TyrAp, XD72_2094

ECTree

     1 Oxidoreductases
         1.3 Acting on the CH-CH group of donors
             1.3.1 With NAD+ or NADP+ as acceptor
                EC 1.3.1.131.3.1.13 prephenate dehydrogenase (NADP+)

Engineering

Engineering on EC 1.3.1.13 - prephenate dehydrogenase (NADP+)

for references in articles please use BRENDA:EC1.3.1.13

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
H124A
-
inactive
H124N
-
substantial decrease in catalytic efficiency
H124Q
-
inactive
H188A
-
inactive
H188N
-
inactive
H188Q
-
inactive
N222A
-
complete loss of activity
N222Q
-
30fold decrease in kcat value and a modest change in Km value
Q130A
-
300fold lower turnover rate
Q130D
-
4fold reduction in kcat values and less than twofold increase in Km value
Q130E
-
4fold reduction in kcat values and less than twofold increase in Km value
Q130S
-
35fold lower turnover rate
Q184A
-
320fold lower kcat value, with a Km value comparable to that of the wild-type
Q184D
-
loss of detectable PDH activity
Q184E
-
loss of detectable PDH activity
S101A
-
mutantion primarily affectes the Km value for prephenate with a 20fold increase
T131A
-
134fold decrease in kcat value
T131S
-
272fold decrease in kcat value
T206A
-
loss of detectable activity
T206S
-
tremendous loss of activity
Q227E
Methanothrix harundinacea
mutation introduces arogenate dehydrogenase activity