Purification of 6-pyruvoyl-tetrahydropterin synthase from human liver
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1986
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Biochemical and Biophysical Research Communications. 1986, 134(2), pp. 646-651. ISSN 0006-291X. Available under: doi: 10.1016/S0006-291X(86)80468-5
Zusammenfassung
The enzyme which catalyzes the first step in the conversion of dihydroneopterin triphosphate to tetrahydrobiopterin has been purified approx. 40,000-fold from human liver to apparent homogeneity. The enzyme has a native molecular weight of ~83,000 and consists of four identical subunits, each of which has a molecular weight of ~19,000. It contains carbohydrates and is remarkably stable to heat treatment. In the presence of purified sepiapterin reductase, Mg2+, and NADPH, this enzyme catalyzes efficiently the formation of tetrahydrobiopterin from dihydroneopterin triphosphate. This indicates that these two proteins are sufficient for the overall conversion.
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570 Biowissenschaften, Biologie
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TAKIKAWA, Shin-Ichiro, Hans-Christoph CURTIUS, Udo REDWEIK, Sandro GHISLA, 1986. Purification of 6-pyruvoyl-tetrahydropterin synthase from human liver. In: Biochemical and Biophysical Research Communications. 1986, 134(2), pp. 646-651. ISSN 0006-291X. Available under: doi: 10.1016/S0006-291X(86)80468-5BibTex
@article{Takikawa1986Purif-8308, year={1986}, doi={10.1016/S0006-291X(86)80468-5}, title={Purification of 6-pyruvoyl-tetrahydropterin synthase from human liver}, number={2}, volume={134}, issn={0006-291X}, journal={Biochemical and Biophysical Research Communications}, pages={646--651}, author={Takikawa, Shin-Ichiro and Curtius, Hans-Christoph and Redweik, Udo and Ghisla, Sandro} }
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