Results 31 to 40 of about 68,431 (214)

Reply: Parkinson's disease in GTP cyclohydrolase 1 mutation carriers. [PDF]

open access: yesBrain, 2015
Mencacci NE   +6 more
europepmc   +3 more sources

Cell-autonomous role of endothelial GTP cyclohydrolase 1 and tetrahydrobiopterin in blood pressure regulation. [PDF]

open access: yesHypertension, 2014
Chuaiphichai S   +7 more
europepmc   +2 more sources

Dtorsin, the Drosophila ortholog of the early-onset dystonia TOR1A (DYT1), plays a novel role in dopamine metabolism. [PDF]

open access: yesPLoS ONE, 2011
Dystonia represents the third most common movement disorder in humans. At least 15 genetic loci (DYT1-15) have been identified and some of these genes have been cloned.
Noriko Wakabayashi-Ito   +6 more
doaj   +1 more source

GTP Cyclohydrolase II Structure and Mechanism [PDF]

open access: yesJournal of Biological Chemistry, 2005
GTP cyclohydrolase II converts GTP to 2,5-diamino-6-beta-ribosyl-4(3H)-pyrimidinone 5'-phosphate, formate and pyrophosphate, the first step in riboflavin biosynthesis. The essential role of riboflavin in metabolism and the absence of GTP cyclohydrolase II in higher eukaryotes makes it a potential novel selective antimicrobial drug target.
Ren J   +5 more
openaire   +5 more sources

Atomic structure of GTP cyclohydrolase I [PDF]

open access: yesStructure, 1995
Tetrahydrobiopterin serves as the cofactor for enzymes involved in neurotransmitter biosynthesis and as regulatory factor in immune cell proliferation and the biosynthesis of melanin. The biosynthetic pathway to tetrahydrobiopterin consists of three steps starting from GTP.
Nar, Herbert   +5 more
openaire   +2 more sources

GTP cyclohydrolase I utilizes metal‐free GTP as its substrate [PDF]

open access: yesEuropean Journal of Biochemistry, 2003
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
openaire   +2 more sources

Assay for GTP Cyclohydrolase II Activity in Bacterial Extracts

open access: yesBio-Protocol, 2014
Riboflavin is the precursor of flavin nucleotides FMN and FAD, they play significant roles in all organisms. GTP is the initial precursor on riboflavin biosynthesis pathway and GTP cyclohydrolase II catalyzes the first step of this pathway.
Svetlana Yurgel   +3 more
doaj   +1 more source

RibBX of Bradyrhizobium ORS285 Plays an Important Role in Intracellular Persistence in Various Aeschynomene Host Plants

open access: yesMolecular Plant-Microbe Interactions, 2021
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
doaj   +1 more source

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