Results 21 to 30 of about 5,611 (205)
Non-covalent interaction between polyubiquitin and GTP cyclohydrolase 1 dictates its degradation. [PDF]
GTP cyclohydrolase 1 (GTPCH1) is the rate-limiting enzyme in the de novo synthesis of tetrahydrobiopterin (BH4). GTPCH1 protein degradation has been reported in animal models of several diseases, including diabetes mellitus and hypertension. However, the
Yu Zhao, Huaiping Zhu, Ming-Hui Zou
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Identification of proteins interacting with GTP cyclohydrolase I [PDF]
GTP cyclohydrolase I (GCH-1) is the rate-limiting enzyme in the biosynthesis of tetrahydrobiopterin, an essential cofactor for nitric oxide synthase and aromatic amino acid hydroxylase. To explore the interactome of GCH-1, we established a HEK 293 cell line stably expressing tetracycline-inducible FLAG-GCH-1.
Jianhai, Du +6 more
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Do genetic predictors of pain sensitivity associate with persistent widespread pain? [PDF]
Genetic risk factors for pain sensitivity may also play a role in susceptibility to chronic pain disorders, in which subjects have low pain thresholds.
Nicholl Barbara I +23 more
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Bradyrhizobium ORS285 forms a nitrogen-fixating symbiosis with both Nod factor (NF)-dependent and NF-independent Aeschynomene spp. The Bradyrhizobium ORS285 ribBA gene encodes for a putative bifunctional enzyme with 3,4-dihydroxybutanone phosphate (3,4 ...
Nico Nouwen +3 more
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Cytokines Stimulate GTP Cyclohydrolase I Gene Expression in Cultured Human Umbilical Vein Endothelial Cells [PDF]
—In vascular endothelial cells, tetrahydrobiopterin serves as an essential cofactor required for enzymatic activity of nitric oxide synthase. GTP cyclohydrolase I is the rate-limiting enzyme in the biosynthesis of tetrahydrobiopterin.
Zvonimir S. Katusic +2 more
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GTP cyclohydrolase I is the first and rate-limiting enzyme for the biosynthesis of tetrahydrobiopterin in mammals. Previously, we reported three species of human GTP cyclohydrolase I cDNA in a human liver cDNA library (Togari, A., Ichinose, H., Matsumoto, S., Fujita, K., and Nagatsu, T. (1992) Biochem. Biophys. Res. Commun. 187, 359-365).
Ichinose H +9 more
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Unconjugated pteridines are present in fungi, algae and plants. However, the functions of pteridines in these organisms are not thoroughly investigated. The biosynthesis follows the same steps as were shown for animals and eubacteria.
Maier Josef +2 more
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GTP cyclohydrolase I utilizes metal‐free GTP as its substrate [PDF]
GTP cyclohydrolase I (GCH) is the rate‐limiting enzyme for the synthesis of tetrahydrobiopterin and its activity is important in the regulation of monoamine neurotransmitters such as dopamine, norepinephrine and serotonin. We have studied the action of divalent cations on the enzyme activity of purified recombinant human GCH expressed in Escherichia ...
T. Suzuki, H. Kurita, H. Ichinose
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Molecular characterization of HPH-1: a mouse mutant deficient in GTP cyclohydrolase I activity [PDF]
Click on the DOI link to access the article (may not be free).GTP cyclohydrolase I catalyzes the initial and rate limiting step of the biosynthesis of tetrahydrobiopterin, the cofactor for aromatic amino acid hydroxylation.
Witter, K. +8 more
core +1 more source
A systematic map of genetic variation in Plasmodium falciparum.
Discovering novel genes involved in immune evasion and drug resistance in the human malaria parasite, Plasmodium falciparum, is of critical importance to global health.
Claire Kidgell +13 more
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