1.1.1.169: 2-dehydropantoate 2-reductase

This is an abbreviated version, for detailed information about 2-dehydropantoate 2-reductase, go to the full flat file.

Reaction

(R)-pantoate
+
NADP+
=
2-dehydropantoate
+
NADPH
+
H+

Synonyms

2-dehydropantoate 2-reductase, 2-ketopantoate reductase, 2-ketopantoic acid reductase, 2-oxopantoate reductase, ketopantoate reductase, ketopantoic acid reductase, KPA reductase, KPR, More, panG, Tk-KPR, TK1968, TK1968 protein

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.169 2-dehydropantoate 2-reductase

Crystallization

Crystallization on EC 1.1.1.169 - 2-dehydropantoate 2-reductase

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Crystallization/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
prismic crystals, hanging drop vapor-diffusion technique
purified enzyme with bound NADP+, hanging drop vapour diffusion method, 10-15 mg/ml protein at 4°C is mixed with ketopantoate and NADP+ in a ratio of 5:1 and 2:1, respectively, in 0.1 M sodium acetate, pH 4.0-5.0, with 10%2-methyl-2,4-pentanediol, X-ray diffraction structure determination and analysis at 2.1 A resolution, ternary complex modelling
-
purified recombinant His6-tagged enzyme in complex with 2'-monophosphoadenosine 5'-diphosphoribose, 4°C, 10-15 mg/ml protein with NADPH and pantoate at a final ligand:protein ratio of 2:1 and 5:1, respectively, mixing with 10% 2-methyl-2,4-pentanediol buffered with 0.1 M sodium acetate pH 4.0-5.0, X-ray diffraction structure determination and analysis at 1.95-2.0 A resolution
-
purified recombinant His6-tagged enzyme in complex with NADP+ and pantoate, hanging drop vapor-diffusion technique, 20°C, 15-30 mg/ml protein with 2 mM NADP+ and 10 mM pantoate, 0.002 ml of protein solution is mixed with an equal volume of well solution containing 35% v/v dioxane, cryoprotection with 20% v/v 2-methyl-2,4-pentanediol, X-ray diffraction structure determination and analysis at 2.3 A resolution
-
purified recombinant wild-type and mutant A181L enzymes, sitting drop vapor diffusion , for the wild-type enzyme complexed with 2-dehydropantoateand NADP+: mixing of 0.001 ml of 10 mg/mL protein in 4 mM 2-dehydropantoate, 4 mM NADP+, 50 mM NaCl, and 25 mM Tris, pH 8.0 with 0.001 ml of reservoir solution containing 300 mM magnesium acetate, 100 mM MES buffer, pH 6.6, and 15% PEG 3350, 2-3 days, 20°C, for the mutant enzyme A181L complexed with NADP+: mixing of 0.001ml of 10 mg/mL protein in 4 mM NADP+, 50 mM NaCl, and 25 mM Tris, pH 8.0, with 0.001 ml of the reservoir solution containing 6% tacsimate, 100 mM MES, pH 6, and 15% PEG 3350, 2-3 days, 20°C, X-ray diffraction structure determination and analysis at 1.81 and 2.62 A resolution, respectively; sitting drop vapor diffusion method, using 300 mM magnesium acetate, 100 mM MES buffer (pH 6.6), and 15% (w/v) polyethylene glycol 3350
fine needle, at about 40% ammonium sulfate saturation
-
purified enzyme in complex with CoA and 2-oxopantoate, hanging drop vapor diffusion method, mixing of 0.001 ml of 10 mg/ml protein and 1 mM CoA and 1 mM 2-oxopantoate with 0.001 ml of reservoir solution containing 100 mM Na acetate, pH 4.5, 20-25% v/v 2-methyl-2,4-pentanediol, and equilibration against 0.5 ml of reservoir solution, at 20°C, 3 days, X-ray diffraction structure determination and analysis at 1.65 A resolution, modeling by molecular replacement method using N-terminal (1-165 residues) and C-terminal (171-309 residues) domains of Ec-KPR structure, PDB ID 2OFP, as separated search models, respectively
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purified recombinant tagged enzyme mutant C84A, hanging drop vapour diffusion method, mixing of 0.001 ml of 10 mg /ml protein in 10 mM Tris-HCl, pH 8.0, 1 mM dithiothreitol, mM NADH, and 1 mM 2-oxopantoate, with 0.001 ml of reservoir solution containing 100 mM sodium acetate, pH 5.5, 10% w/v PEG 3350, 20% v/v 2-propanol, and equilibration against 0.5 ml reservoir solution, at 20°C, 1 week, X-ray diffraction structure determination and analysis at 2.3 A resolution, molecular replacement method for modeling
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